CN109133201A - Based on the Ni-based perovskite oxide material of A codopes of multicomponent and application method - Google Patents
Based on the Ni-based perovskite oxide material of A codopes of multicomponent and application method Download PDFInfo
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- CN109133201A CN109133201A CN201811095667.9A CN201811095667A CN109133201A CN 109133201 A CN109133201 A CN 109133201A CN 201811095667 A CN201811095667 A CN 201811095667A CN 109133201 A CN109133201 A CN 109133201A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/04—Oxides; Hydroxides
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/30—Three-dimensional structures
- C01P2002/34—Three-dimensional structures perovskite-type (ABO3)
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
Abstract
The present invention provides a kind of temperature detection method based on the A Ni-based perovskite oxides of codope of multicomponent.Ni-based perovskite oxide temperature-coefficient of electrical resistance (TCR) is increased substantially in wide temperature range using the technical method of the box-like substitute doping of multicomponent A hyte, passes through the use temperature range and temperature-coefficient of electrical resistance to A element species and control and regulation material prepared of ratio in conjunction with actual detection needs.Compared with traditional thermistor material and traditional nickel based perovskite oxide material, optimize the temperature-coefficient of electrical resistance that more rare earth element combined type substitute doping rare-earth Ni-base perovskite oxide materials of preparation change monotonous curve with more precipitous resistance temperature within the scope of the wide warm area of 2K-1000K and significantly improve in the present invention.It can realize that the temperature in the wide warm area of centering low temperature precisely detects and sensing based on the device that the present invention is further prepared.The present invention thermistor material, in terms of with considerable application value and wide application prospect.
Description
Technical field
The invention belongs to thermistor, temperature sensing, the micro- fields of temperature sensing, utilize multicomponent A more particularly to a kind of
Position codope method increases substantially Ni-based perovskite oxide temperature-coefficient of electrical resistance (TCR) and is adjusted within the scope of wide warm area and surveyed
The method of amount temperature range, and provide a kind of real in wide warm area range based on the multicomponent A Ni-based perovskite oxide of codope
The technical method of existing temperature measurement.
Background technique
Develop the wide warm area thermistor material of high-performance for realizing that the accurate detection of temperature within the scope of wide warm area has weight
Want meaning [1-12].Thermistor refers to that the material of significant change occurs with temperature for its resistance, can generally be divided by temperature coefficient
The positive temperature coefficient thermal sensitive ceramic that resistance increases with the raising of temperature, the resistance negative temperature coefficient reduced with the raising of temperature
The critical stability resistance material [1-5] that tired thermal sensitive ceramics and resistance strongly reduce in specific temperature range.Heat
Quick resistance material need to have larger resistivity, and high temperature coefficient of resistance, close to experimental material linear expansion coefficient, small strain is clever
Quick coefficient, and when operating temperature section heats and is cooling, resistance temperature curve should have good repeated [1,2].
Thermo-sensitive material generally can be divided into semiconductor type, metal class and alloy type three classes [1-5].Wherein, semiconductor temperature-sensitive electricity
Resistance mainly includes single crystal semiconductor, poly semiconductor, glass semiconductor, organic semiconductor and metal oxide etc..Semiconductor
The characteristics of thermistor material, is with high temperature coefficient of resistance and high resistivity, thus has high biography sensitivity.But due to
The resistance and mobility of semiconductor thermistor material have exponent relation, therefore temperature-measuring range is narrow, uniformity is poor.Compare and
Speech, metal thermo-sensitive resistance material (such as platinum, copper) has high-precision in various media, but its price is relatively expensive.Alloy heat
Quick resistance material resistivity with higher, and resistance value variation with temperature is more sensitive, is a kind of temperature sensitive sensing of manufacture
The good material of device.
The development of thermistor, which can mainly be related, has been made first temperature-sensitive using urania with the thirties in last century, Germany
Resistance [1-3].Hereafter, occur in succession with copper oxide, silver sulfide, admire sour magnesium etc. for thermo-sensitive material semiconductor thermistor,
It is widely used in pressure stabilizing, temperature-compensating, temperature sensing etc..However, its problem is that this kind of material usually has stabilization
Property difference problem, therefore work when must work in protective atmosphere to prevent from aoxidizing.The 40's of last century, a kind of use
Transition metal oxide is generated in high temperature solid state reaction, and there is the oxide ceramics thermistor of spinel structure to be developed,
Its with biggish temperature-coefficient of electrical resistance (- 1% -- 6%K-1), and chemical property is relatively stable, it can be at -60 to 300 DEG C
Used in air environment, therefore be widely used in thermometric, temperature control, compensation, pressure stabilizing and time delay etc..Last century 50 years
Generation, the third gear low temperature thermistor for the application demand for meeting space technology, 4-20K, 20-80K, 77-300K are sent out
Exhibition.These thermistors are mainly calcined by transition metal oxide and are obtained.And the thermistor material in the later period sixties in last century
It is based primarily upon doped vanadium dioxide (VO2) [4,12].For example, Mg, Ca, Ba, Pb, P, B, Si etc. of Hitachi, Japan preparation
The doping VO of doped chemical preparation2Thermistor material, and these materials have biggish temperature-coefficient of electrical resistance, and it prepares work
Skill can be compatible with silicon technology.After 1970s, great hair has been obtained by the thin-film thermistor of representative of SiC
Exhibition, main Applicable temperature range are -40 to 450 DEG C [1-5].And the following thermistor, just towards the digitlization of highly integrated type, width
Warm area, high precision int, miniaturization, Composite direction develop [5].
However undeniable is that there is no a kind of thermistor material can be in the wide warm area of middle low temperature of 2-300K at present
Temperature-coefficient of electrical resistance in range is greater than 2%K-1, to meet temperature measurement and sensing highly sensitive within the scope of medium and low temperature
Equal detections demand.In addition, how to develop the skill for adjusting and further widening the temperature sensing range that thermistor material is suitable for
Art method equally exists huge challenge.
Bibliography:
[1] Xu Ting offers electron ceramic material, Tianjin publishing house of University Of Tianjin
[2] A.J.Moulson etc. writes, and Li Shipu etc. translates electron ceramic material, performance, application, publishing house of Wuhan University,
1993
[3] Zhou Dongxiang semiconductive ceramic and application, Wuhan Huazhong University of Science and Technology publishing house
[4] (day) is small western good macro, moves pretty youth day, " electronic ceramics basis and application ", China Machine Press, and 1983
[5] Wang Enxin, Jing Yulan etc., the present condition and developing tendency of thermal resistor, resistive element and material, 16 (1997)
1
【6】Lavenuta,G.,et al,Negative temperature coefficient
thermistors.Sensors(Peterborough,Nh),1997,14,46–55.
【7】Edwards,L.and Murthy,R.,Versatile thermistors for wide-ranging
applications.Electrotechnology,1987,15, 89–91.
【8】Hata,T.,Kuroda,T.and Matsuo,Y.,New thermistor materials.National
Technical Report(Matsushita Electric Industry Company),82,28,1123–1134
【9】Sheftel,I.T.,Thermistors.Nauka,Moscow,1973.
【10】Fritsch,S.,et al,Correlation between the structure, the
microstructure and the electrical properties of nickel manganite negative
temperature coefficient(NTC)thermistors. Solid State Ionics,1998,109,229
【11】Chiriac H.et al,On temperature dependence of conductivity and
thermopower of co-sputtered Nix-(Si02) composite thin films,Sensors and
Actuators A 62(1997)687-691
【12】Wang,B.et al,Nanostructured vanadium oxide thin film with high
TCR at room temperature for microbolometer.Infrared Physics&Technology 57
(2013)8–13
Summary of the invention
The purpose of the present invention is to provide a kind of technical methods using the box-like substitute doping of multicomponent A hyte in wide temperature
Ni-based perovskite oxide temperature-coefficient of electrical resistance (TCR) is increased substantially in range and adjusts thermosensitive resistance measurement temperature range
Technical method, and one kind is provided and realizes that temperature is surveyed in wide warm area range based on the multicomponent A Ni-based perovskite oxide of codope
The technical method of amount.It is excellent in the present invention compared with traditional thermistor material and traditional nickel based perovskite oxide material
Change wide warm area model of more rare earth element combined type substitute doping rare-earth Ni-base perovskite oxide materials in 2K-1000K of preparation
The temperature-coefficient of electrical resistance for changing monotonous curve with more precipitous resistance temperature in enclosing and significantly improving.Further it incite somebody to action this
The standby multicomponent A Ni-based perovskite oxide material of bit element codope of patent system is used for the temperature sensing within the scope of wide warm area,
The temperature in the wide warm area of centering low temperature can be achieved precisely to detect and sensing.The present invention is in the side such as thermistor material, temperature sensing
Face has considerable application value and wide application prospect.
Central scope of the invention is: replacing Ni-based perovskite compound using the element co-doped of various ingredients
(ABO3Structure, B are nickel) A this technological means realize prepared by Ni-based perovskite oxide temperature-coefficient of electrical resistances in 2K-
Entirety within the scope of 1000K wide temperature range increases substantially, while the component by adjusting different rare earth elements and ratio are real
Referring now to the adjusting of the operating temperature range of thermistor；With this basis, it is total to be based further on prepared multicomponent A bit element
The resistance temperature variation relation for adulterating Ni-based perovskite oxide material realizes the temperature within the scope of 2K-1000K wide temperature range
Degree detection and sensing.
One kind being based on the multicomponent A Ni-based perovskite oxide material of codope, which is characterized in that described to be applied to temperature
The critical material of detection and sensing is the Ni-based perovskite oxide material with multicomponent valence element co-doped A.It is described
Material has ABO3Distorted perovskite structure, wherein B be nickel (Ni)；A be two kinds and two or more elements.The A
Bit element includes the combination of following two or two or more elements: the lanthanide series in the periodic table of elements, preferably lanthanum (La), samarium
(Sm), neodymium (Nd), europium (Eu), praseodymium (Pr),；Periodic table of elements main group triels, preferably gallium (Ga), indium (In)；Main group
Group-v element, preferably antimony (Sb), bismuth (Bi).The Ni-based perovskite oxide of the multicomponent A codopes has whole in wide warm area
There is precipitous resistivity temperature variation relation and higher temperature-coefficient of electrical resistance within the scope of body, pass through being co-doped with for control A bit element
Relative composition ratio between hybrid class and various elements can achieve the purpose for adjusting measurement temperature range.
Further, the temperature-coefficient of electrical resistance of the Ni-based perovskite oxide of prepared multicomponent A codopes 200K with
On broad temperature section in tool be higher than 2, and resistivity of material be widely varied with constant temperature dullness (amplitude is more than 2%/
K).(These parameters can not be realized in reported Ni-based perovskite compound.) pass through the component of the different rare earth elements of adjusting
Perovskite oxide resistance temperature variation coefficient Ni-based for A codopes may be implemented with ratio and form and realize high value
Temperature range is adjusted, so that the operating temperature range of prepared thermistor is controlled and be adjusted；The multicomponent A
The form of the position Ni-based perovskite oxide of codope includes: block materials, film, crystal whisker materials, nano wire, nano powder；It is brilliant
Body structure includes monocrystal material, polycrystalline material, non-crystalline material.
Further, using A samarium, neodymium codope Ni-based perovskite oxide films, using resistivity of material with temperature
Variation relation and its characteristic in the broad temperature section of 70K-400K with high temperature coefficient of resistance (TCR)；As it can be seen that will
Temperature measurement device is made in A samarium, neodymium codope Ni-based perovskite oxides；An electric current shown in passing in the devices, and
It measures it and is flowing through voltage signal caused by material ends, to obtain resistance；And dullness is presented in the resistance of material and temperature
Variation relation, thus can compare to obtain temperature information with standard value by measurement resistance.
Further, A shirt, neodymium, europium ternary codope Ni-based perovskite oxide films are prepared, material prepared exists
In the broad temperature range of 10K-450K there is precipitous and dull resistivity to vary with temperature relationship and higher resistance temperature
Coefficient (TCR)；Temperature measurement device is made using A prepared shirt, neodymium, europium ternary codope Ni-based perovskite oxides；?
An electric current shown in being passed in device, and measure it and flowing through voltage signal caused by material ends, to obtain resistance；
And monotone variation relationship is presented in the resistance of material and temperature, thus can compare to obtain temperature with standard value by measurement resistance
Spend information；The measurement realized in the broad temperature section of 10K-450K to temperature is able to achieve by the material and technology.
Further, A shirt, neodymium, bismuth ternary codope Ni-based perovskite oxide films are prepared, material prepared exists
In the broad temperature range of 2K-500K there is precipitous and dull resistivity to vary with temperature relationship and higher resistance temperature system
Number (TCR)；Temperature measurement device is made using A prepared shirt, neodymium, bismuth ternary codope Ni-based perovskite oxides, in device
An electric current shown in being passed in part, and measure it and flowing through voltage signal caused by material ends, to obtain resistance；And
Monotone variation relationship is presented in the resistance and temperature of material, thus can compare to obtain temperature with standard value by measurement resistance
Information；The measurement realized in the broad temperature section of 2K-500K to temperature is able to achieve by the material and technology.
Further, A neodymium, europium binary codope Ni-based perovskite oxide films are prepared, material prepared is in 10K-
In the broad temperature range of 550K there is precipitous and dull resistivity to vary with temperature relationship and higher temperature-coefficient of electrical resistance
(TCR)；Temperature measurement device is made using A prepared neodymium, europium binary codope Ni-based perovskite oxides；Lead in the devices
An electric current shown in, and measure it and flowing through voltage signal caused by material ends, to obtain resistance；And material
Monotone variation relationship is presented in resistance and temperature, can compare to obtain temperature information with standard value by measurement resistance；Pass through
The material and technology realize the measurement being able to achieve in the broad temperature section of 10K-550K to temperature.
Further, A neodymium, europium, bismuth ternary codope Ni-based perovskite oxide films are prepared, material prepared exists
In the broad temperature range of 30K-700K there is precipitous and dull resistivity to vary with temperature relationship and higher resistance temperature
Coefficient (TCR)；Temperature measurement device is made using A prepared neodymium, europium, bismuth ternary codope Ni-based perovskite oxides；?
An electric current shown in being passed in device, and measure it and flowing through voltage signal caused by material ends, to obtain resistance；
And monotone variation relationship is presented in the resistance of material and temperature, thus can compare to obtain temperature with standard value by measuring resistance
Information；The measurement being able to achieve in the broad temperature section of 30K-700K to temperature is realized by the material and technology.
Further, shirt, the Ni-based perovskite oxide powder monocrystal material of neodymium binary codope A, prepared material are prepared
Material in the broad temperature range of 10K-450K there is precipitous and dull resistivity to vary with temperature relationship and higher resistance
Temperature coefficient (TCR)；Using prepared shirt, the Ni-based perovskite oxide powder of neodymium binary codope A by the way that miniature device is made
Part passes to alternating current using Phase Lock Technique in the material, and locking phase detects its generated voltage signal, to obtain material electricity
Resistance, to realize the measurement realized in the broad temperature section of 10K-450K to temperature by the material and technology.
Further, samarium, neodymium codope A Ni-based perovskite oxide monocrystal materials are prepared, and is added by machining
Work is at column；Material prepared can show that resistivity varies with temperature relationship and temperature-coefficient of electrical resistance；Prepared samarium, neodymium codope
A Ni-based perovskite oxides have high temperature coefficient of resistance (TCR) in the broad temperature section of 70K-400K；Using institute
Prepare samarium, temperature measurement device is made in A Ni-based perovskite oxides of neodymium codope；An alternation shown in passing in the devices
Electric current, and measure it using Phase Lock Technique and flowing through voltage signal caused by material ends, to obtain resistance；And material
Monotone variation relationship is presented in resistance and temperature, thus can compare to obtain temperature information with standard value by measurement resistance；
The measurement realized in the broad temperature section of 70K-400K to temperature is able to achieve by the material and technology.
Further, it may be implemented by the type and element relative scale that change A codope elements to materials'use
The adjusting of the characteristics such as temperature-coefficient of electrical resistance, resistivity temperature variation relation under temperature range, different temperatures, to further reach
To the purpose detected according to actual temperature with the application demand progress material adjusted design sensed.
Further, the key for realizing temperature sensing and sensing is to utilize the multicomponent A codopes Ni-based
The resistivity of perovskite oxide is widely varied in institute's use temperature range with the dullness of temperature, so as to by material
Expect the measurement of resistance to detect to temperature.The preferably logical constant current of the measurement to resistance surveys voltage, leads to constant electricity
Pressure surveys the methods of electric current, logical alternating current locking phase detecting voltage, logical alternating voltage locking phase probe current.
The present inventor after extensive and in-depth study, by improving material preparation process and device design technology, obtains
A kind of temperature detection method based on the A Ni-based perovskite oxides of codope of multicomponent.With conventional thermistor material with
And Ni-based perovskite material is compared, the Ni-based perovskite oxide of prepared multicomponent A codopes is in more wide humidity province
Between have in range and continue higher temperature-coefficient of electrical resistance and continue precipitous resistivity temperature variation relation.Therefore, based on this
A Ni-based perovskite oxide materials of codope of multicomponent provided by inventing are furthermore achieved in 2-1000K wide warm area pair
The high sensitivity detection and sensing of temperature.
The central scope of invention is: replacing Ni-based perovskite compound using the element co-doped of various ingredients
(ABO3Structure, B are nickel) A this technological means realize prepared by Ni-based perovskite oxide temperature-coefficient of electrical resistances in 2K-
Entirety within the scope of 1000K wide temperature range increases substantially；With this basis, it is based further on prepared multicomponent A bit element
The resistance temperature variation relation of the Ni-based perovskite oxide material of codope is realized within the scope of 2K-1000K wide temperature range
Temperature sensing and sensing.The present invention is in terms of temperature sensing and sensing with considerable application value and wide application prospect.
Detailed description of the invention
Fig. 1 is samarium, the resistivity of A Ni-based perovskite oxides of neodymium codope varies with temperature relationship,
Fig. 2 is the temperature resistance coefficient of A samarium, neodymium codope Ni-based perovskite oxides,
Fig. 3 is based on wide warm area temperature sensing device structure prepared by A samarium, neodymium codope Ni-based perovskite oxides
Schematic diagram,
Fig. 4 is the spy based on wide warm area temperature sensing device prepared by A samarium, neodymium codope Ni-based perovskite oxides
Measured data.
Specific embodiment
Embodiment 1:
A samarium, neodymium codope Ni-based perovskite oxide films are prepared, material prepared can realize Fig. 1 resistivity with temperature
Spend temperature-coefficient of electrical resistance shown in variation relation and Fig. 2.As it can be seen that A prepared samarium, neodymium codope Ni-based perovskite oxides exist
There is high temperature coefficient of resistance (TCR) in the broad temperature section of 70K-400K.Further, it is co-doped with using prepared samarium, neodymium
The temperature measurement device of structure as shown in Figure 3 is made in miscellaneous A Ni-based perovskite oxide.An electricity shown in passing in the devices
Stream, and measure it and flowing through voltage signal caused by material ends, to obtain resistance；And the resistance of material and temperature are presented
Monotone variation relationship, thus can compare to obtain temperature information with standard value by measurement resistance.To sum up, institute can be passed through
It states material and technology realizes the measurement realized in the broad temperature section of 70K-400K to temperature.
Embodiment 2:
A shirt, neodymium, europium ternary codope Ni-based perovskite oxide films are prepared, material prepared is 10K-450K's
In broad temperature range there is precipitous and dull resistivity to vary with temperature relationship and higher temperature-coefficient of electrical resistance (TCR).
Further, the temperature of structure as shown in Figure 3 is made using A prepared shirt, neodymium, europium ternary codope Ni-based perovskite oxides
Spend measurement device.An electric current shown in passing in the devices, and measure it and flowing through voltage signal caused by material ends,
To obtain resistance；And monotone variation relationship is presented in the resistance of material and temperature, thus measurement resistance and standard value can be passed through
Control is to obtain temperature information.To sum up, it can be realized by the material and technology in the broad temperature section of 10K-450K
Measurement of the interior realization to temperature.
Embodiment 3:
Prepare A shirt, neodymium, bismuth ternary codope Ni-based perovskite oxide films, width of the material prepared in 2K-500K
In wide temperature range there is precipitous and dull resistivity to vary with temperature relationship and higher temperature-coefficient of electrical resistance (TCR).Into
One step, the temperature of structure as shown in Figure 3 is made using A prepared shirt, neodymium, bismuth ternary codope Ni-based perovskite oxides
Measurement device.An electric current shown in passing in the devices, and measure it and flowing through voltage signal caused by material ends, from
And obtain resistance；And monotone variation relationship is presented in the resistance of material and temperature, thus measurement resistance and standard value pair can be passed through
According to obtain temperature information.To sum up, it can be realized by the material and technology real in the broad temperature section of 2K-500K
Now to the measurement of temperature.
Embodiment 4:
Prepare A neodymium, europium binary codope Ni-based perovskite oxide films, width of the material prepared in 10K-550K
In wide temperature range there is precipitous and dull resistivity to vary with temperature relationship and higher temperature-coefficient of electrical resistance (TCR).Into
One step, it is surveyed using the temperature that structure as shown in Figure 3 is made in A prepared neodymium, europium binary codope Ni-based perovskite oxides
Metering device.An electric current shown in passing in the devices, and measure it and flowing through voltage signal caused by material ends, thus
Obtain resistance；And monotone variation relationship is presented in the resistance of material and temperature, thus can be compareed by measurement resistance with standard value
To obtain temperature information.To sum up, it can be realized by the material and technology real in the broad temperature section of 10K-550K
Now to the measurement of temperature.
Embodiment 5:
A neodymium, europium, bismuth ternary codope Ni-based perovskite oxide films are prepared, material prepared is 30K-700K's
In broad temperature range there is precipitous and dull resistivity to vary with temperature relationship and higher temperature-coefficient of electrical resistance (TCR).
Further, the temperature of structure as shown in Figure 3 is made using A prepared neodymium, europium, bismuth ternary codope Ni-based perovskite oxides
Spend measurement device.An electric current shown in passing in the devices, and measure it and flowing through voltage signal caused by material ends,
To obtain resistance；And monotone variation relationship is presented in the resistance of material and temperature, thus measurement resistance and standard value can be passed through
Control is to obtain temperature information.To sum up, it can be realized by the material and technology in the broad temperature section of 30K-700K
Measurement of the interior realization to temperature.
Embodiment 6:
Prepare A praseodymium, europium, bismuth ternary codope Ni-based perovskite oxide films, width of the material prepared in 1K-500K
In wide temperature range there is precipitous and dull resistivity to vary with temperature relationship and higher temperature-coefficient of electrical resistance (TCR).Into
One step, the temperature of structure as shown in Figure 3 is made using A prepared praseodymium, europium, bismuth ternary codope Ni-based perovskite oxides
Measurement device.An electric current shown in passing in the devices, and measure it and flowing through voltage signal caused by material ends, from
And obtain resistance；And monotone variation relationship is presented in the resistance of material and temperature, thus measurement resistance and standard value pair can be passed through
According to obtain temperature information.To sum up, it can be realized by the material and technology real in the broad temperature section of 1K-500K
Now to the measurement of temperature.
Embodiment 7:
Prepare A praseodymium, shirt binary codope Ni-based perovskite oxide films, broadness of the material prepared in 1K-450K
In temperature range there is precipitous and dull resistivity to vary with temperature relationship and higher temperature-coefficient of electrical resistance (TCR).Into one
Step ground is measured using the temperature that structure as shown in Figure 3 is made in A prepared praseodymium, shirt binary codope Ni-based perovskite oxides
Device.An electric current shown in passing in the devices, and measure it and flowing through voltage signal caused by material ends, to obtain
Obtain resistance；And monotone variation relationship is presented in the resistance of material and temperature, thus can be compareed by measurement resistance with standard value from
And obtain temperature information.To sum up, the realization pair in the broad temperature section of 1K-450K can be realized by the material and technology
The measurement of temperature.
Embodiment 8:
A lanthanum, gallium, shirt, indium quaternary codope Ni-based perovskite oxide films are prepared, material prepared is in 100K-
In the broad temperature range of 1000K there is precipitous and dull resistivity to vary with temperature relationship and higher temperature-coefficient of electrical resistance
(TCR).Further, it is made using A prepared lanthanum, gallium, shirt, indium quaternary codope Ni-based perovskite oxides such as Fig. 3 institute
Show the temperature measurement device of structure.An electric current shown in passing in the devices, and measure it and flowing through produced by material ends
Voltage signal, to obtain resistance；And monotone variation relationship is presented in the resistance of material and temperature, thus measurement electricity can be passed through
Resistance compares to obtain temperature information with standard value.To sum up, it can be realized by the material and technology 100K-1000K's
The measurement to temperature is realized in broad temperature section.
Embodiment 9:
Shirt, the Ni-based perovskite oxide powder monocrystal material of neodymium binary codope A are prepared, material prepared is in 10K-
In the broad temperature range of 450K there is precipitous and dull resistivity to vary with temperature relationship and higher temperature-coefficient of electrical resistance
(TCR).Further, using prepared shirt, the Ni-based perovskite oxide powder of neodymium binary codope A by the way that miniature device is made
Part passes to alternating current using Phase Lock Technique in the material, and locking phase detects its generated voltage signal, to obtain material electricity
Resistance, to realize the measurement realized in the broad temperature section of 10K-450K to temperature by the material and technology.
Embodiment 10:
Samarium, neodymium codope A Ni-based perovskite oxide monocrystal materials are prepared, and by being processed into column.
Material prepared can realize that Fig. 1 resistivity varies with temperature temperature-coefficient of electrical resistance shown in relationship and Fig. 2.As it can be seen that prepared samarium, neodymium
A Ni-based perovskite oxides of codope have high temperature coefficient of resistance (TCR) in the broad temperature section of 70K-400K.Into
One step, the temperature meter of structure as shown in Figure 3 is made using A prepared samarium, neodymium codope Ni-based perovskite oxides
Part.An alternating current shown in passing in the devices, and measure it using Phase Lock Technique and flowing through caused by material ends
Voltage signal, to obtain resistance；And monotone variation relationship is presented in the resistance of material and temperature, thus can be by measuring resistance
It compares to obtain temperature information with standard value.To sum up, the broadness in 70K-400K can be realized by the material and technology
The measurement to temperature is realized in temperature range.
Claims (10)
1. one kind is based on the multicomponent A Ni-based perovskite oxide material of codope, which is characterized in that the temperature that is applied to is visited
Surveying with the critical material of sensing is the Ni-based perovskite oxide material with multicomponent valence element co-doped A；The material
Material has ABO3Distorted perovskite structure, wherein B be nickel (Ni)；A be two kinds and two or more elements；It is A described
Element includes the combination of following two or two or more elements: lanthanide series, main group triels in the periodic table of elements and
Main group pentels, wherein lanthanide series is lanthanum (La), samarium (Sm), neodymium (Nd), europium (Eu), praseodymium (Pr)；Main group third race member
Element is gallium (Ga), indium (In)；Main group pentels ties up antimony (Sb), bismuth (Bi)；The Ni-based perovskite of the multicomponent A codopes
Oxide leads to having precipitous resistivity temperature variation relation and higher temperature-coefficient of electrical resistance in wide warm area entire scope
The relative composition ratio crossed between the codope type and various elements of control A bit element reaches the mesh for adjusting measurement temperature range
's.
2. a kind of be used for temperature sensing using the Ni-based perovskite oxide material of multicomponent A codopes as described in claim 1
With the method for sensing, which is characterized in that the temperature-coefficient of electrical resistance of the Ni-based perovskite oxide of prepared multicomponent A codopes exists
Tool is higher than 2 in the broad temperature section of 200K or more, and resistivity of material is widely varied with constant temperature dullness；Pass through adjusting
The component and ratio and form of different rare earth elements are able to achieve perovskite oxide resistance temperature variation Ni-based for A codopes
Coefficient realize high value temperature range adjusted, thus to the operating temperature range of prepared thermistor carry out control with
It adjusts；The form of the Ni-based perovskite oxide of the multicomponent A codopes includes: block materials, crystal whisker materials, are received film
Rice noodles, nano powder；Its crystal structure includes monocrystal material, polycrystalline material, non-crystalline material.
3. for temperature sensing and being passed using the multicomponent A Ni-based perovskite oxide material of codope as claimed in claim 2
The method of sense, which is characterized in that A samarium, neodymium codope Ni-based perovskite oxide films are used, using resistivity of material with temperature
Spend variation relation and its in the broad temperature section of 70K-400K with the characteristic of high temperature coefficient of resistance (TCR)；As it can be seen that will
Temperature measurement device is made in A samarium, neodymium codope Ni-based perovskite oxides；In the devices by an electric current, and measure it
Voltage signal caused by material ends is being flowed through, to obtain resistance；And the resistance of material and temperature are presented to be monotonically changed and be closed
System, thus can compare to obtain temperature information with standard value by measurement resistance.
4. for temperature sensing and being passed using the multicomponent A Ni-based perovskite oxide material of codope as claimed in claim 2
The method of sense, which is characterized in that prepare A shirt, neodymium, europium ternary codope Ni-based perovskite oxide films, material prepared
In the broad temperature range of 10K-450K there is precipitous and dull resistivity to vary with temperature relationship and higher resistance temperature
It spends coefficient (TCR)；Temperature measurement device is made using A prepared shirt, neodymium, europium ternary codope Ni-based perovskite oxides；
It in the devices by an electric current, and measures it and is flowing through voltage signal caused by material ends, to obtain resistance；And material
Monotone variation relationship is presented in the resistance and temperature of material, thus can compare to obtain temperature letter with standard value by measurement resistance
Breath；The measurement realized in the broad temperature section of 10K-450K to temperature is able to achieve by the material and technology.
5. for temperature sensing and being passed using the multicomponent A Ni-based perovskite oxide material of codope as claimed in claim 2
The method of sense, which is characterized in that prepare A shirt, neodymium, bismuth ternary codope Ni-based perovskite oxide films, material prepared
In the broad temperature range of 2K-500K there is precipitous and dull resistivity to vary with temperature relationship and higher resistance temperature
Coefficient (TCR)；Temperature measurement device is made using A prepared shirt, neodymium, bismuth ternary codope Ni-based perovskite oxides,
It by an electric current in device, and measures it and is flowing through voltage signal caused by material ends, to obtain resistance；And material
Resistance and temperature monotone variation relationship is presented, thus can compare by measurement resistance with standard value to believe to obtain temperature
Breath；The measurement realized in the broad temperature section of 2K-500K to temperature is able to achieve by the material and technology.
6. for temperature sensing and being passed using the multicomponent A Ni-based perovskite oxide material of codope as claimed in claim 2
The method of sense, which is characterized in that prepare A neodymium, europium binary codope Ni-based perovskite oxide films, material prepared exists
In the broad temperature range of 10K-550K there is precipitous and dull resistivity to vary with temperature relationship and higher resistance temperature
Coefficient (TCR)；Temperature measurement device is made using A prepared neodymium, europium binary codope Ni-based perovskite oxides；In device
In by an electric current, and measure it and flowing through voltage signal caused by material ends, to obtain resistance；And the electricity of material
Monotone variation relationship is presented with temperature in resistance, can compare to obtain temperature information with standard value by measurement resistance；Pass through institute
It states material and technology realizes the measurement being able to achieve in the broad temperature section of 10K-550K to temperature.
7. for temperature sensing and being passed using the multicomponent A Ni-based perovskite oxide material of codope as claimed in claim 2
The method of sense, which is characterized in that prepare A neodymium, europium, bismuth ternary codope Ni-based perovskite oxide films, material prepared
In the broad temperature range of 30K-700K there is precipitous and dull resistivity to vary with temperature relationship and higher resistance temperature
It spends coefficient (TCR)；Temperature measurement device is made using A prepared neodymium, europium, bismuth ternary codope Ni-based perovskite oxides；
It in the devices by an electric current, and measures it and is flowing through voltage signal caused by material ends, to obtain resistance；And material
Monotone variation relationship is presented in the resistance and temperature of material, thus can compare to obtain temperature letter with standard value by measuring resistance
Breath；The measurement being able to achieve in the broad temperature section of 30K-700K to temperature is realized by the material and technology.
8. for temperature sensing and being passed using the multicomponent A Ni-based perovskite oxide material of codope as claimed in claim 2
The method of sense, which is characterized in that shirt, the Ni-based perovskite oxide powder monocrystal material of neodymium binary codope A are prepared, it is prepared
Material in the broad temperature range of 10K-450K there is precipitous and dull resistivity to vary with temperature relationship and higher electricity
It hinders temperature coefficient (TCR)；It is miniature by being made using prepared shirt, the Ni-based perovskite oxide powder of neodymium binary codope A
Device passes to alternating current using Phase Lock Technique in the material, and locking phase detects its generated voltage signal, to obtain material
Resistance, to realize the measurement realized in the broad temperature section of 10K-450K to temperature by the material and technology.
9. for temperature sensing and being passed using the multicomponent A Ni-based perovskite oxide material of codope as claimed in claim 2
The method of sense, which is characterized in that prepare samarium, neodymium codope A Ni-based perovskite oxide monocrystal materials, and pass through machining
It is processed into column；Material prepared can show that resistivity varies with temperature relationship and temperature-coefficient of electrical resistance；Prepared samarium, neodymium are co-doped with
Miscellaneous A Ni-based perovskite oxide has high temperature coefficient of resistance (TCR) in the broad temperature section of 70K-400K；Using institute
Prepare samarium, temperature measurement device is made in A Ni-based perovskite oxides of neodymium codope；An alternation shown in passing in the devices
Electric current, and measure it using Phase Lock Technique and flowing through voltage signal caused by material ends, to obtain resistance；And material
Monotone variation relationship is presented in resistance and temperature, thus can compare to obtain temperature information with standard value by measurement resistance；
The measurement realized in the broad temperature section of 70K-400K to temperature is able to achieve by the material and technology.
10. for temperature sensing and being passed using the multicomponent A Ni-based perovskite oxide material of codope as claimed in claim 2
The method of sense, which is characterized in that be able to achieve by the type and element relative scale that change A codope elements to materials'use
The adjusting of temperature-coefficient of electrical resistance, resistivity temperature variation relation characteristic under temperature range, different temperatures, to further reach
The purpose that material adjusted design is carried out with the application demand sensed is detected according to actual temperature.
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