CN102879795A - Application of KSr4(BO3)3:Ce3+ in preparation of electron paramagnetic resonance dose meter - Google Patents

Application of KSr4(BO3)3:Ce3+ in preparation of electron paramagnetic resonance dose meter Download PDF

Info

Publication number
CN102879795A
CN102879795A CN2012103847468A CN201210384746A CN102879795A CN 102879795 A CN102879795 A CN 102879795A CN 2012103847468 A CN2012103847468 A CN 2012103847468A CN 201210384746 A CN201210384746 A CN 201210384746A CN 102879795 A CN102879795 A CN 102879795A
Authority
CN
China
Prior art keywords
electron paramagnetic
paramagnetic resonance
ksr
ksr4
dose
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012103847468A
Other languages
Chinese (zh)
Other versions
CN102879795B (en
Inventor
李成宇
姜丽宏
苏锵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Rare Earth Research Institute Chinese Academy Of Sciences
Original Assignee
Changchun Institute of Applied Chemistry of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changchun Institute of Applied Chemistry of CAS filed Critical Changchun Institute of Applied Chemistry of CAS
Priority to CN201210384746.8A priority Critical patent/CN102879795B/en
Publication of CN102879795A publication Critical patent/CN102879795A/en
Application granted granted Critical
Publication of CN102879795B publication Critical patent/CN102879795B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention provides an application of KSr4(BO3)3:Ce3+ in preparation of an electron paramagnetic resonance dose meter. The mole ratio of cerium (Ce) to strontium (Sr) in KSr4(BO3)3:Ce3+ is (0.0001-0.1):1. According to the application, the KSr4(BO3)3:Ce3+ serves as a detection material of the electron paramagnetic resonance dose meter, an electron paramagnetic resonance spectrum which is obtained after the detection material is irradiated is composed of six signals, the strongest signal serves as an electron paramagnetic resonance detection signal, response situations of the detection material of the KSr4(BO3)3:Ce3+ are measured when radiation dosages are in a range of 0.89-90.30Gy, experimental results are good in linearity, and the KSr4(BO3)3:Ce3+ is the good detection material for the electron paramagnetic resonance dose meter. Besides, the KSr4(BO3)3:Ce3+ is simple in preparation process and low in production cost.

Description

KSr 4(BO 3) 3: Ce 3+Application in preparation electron paramagnetic resonance quantimeter
Technical field
The present invention relates to electron paramagnetic resonance detector technology field, relate in particular to KSr 4(BO 3) 3: Ce 3+Application in preparation electron paramagnetic resonance quantimeter.
Background technology
Electron paramagnetic resonance is the Modern Methods that direct-detection and research contain the paramagnet of unpaired electron.At present, electron paramagnetic resonance has been widely used in the numerous areas such as chemistry, physics, material, environment, life science and medical science.
The electron paramagnetic resonance Dosimetry is that the people such as Bradshaw proposed (W.W.Bradshaw in 1962, D.G.Cadena, G.W.Crawford, H.A.W.Spetzler, The use of alanine as a solid dosimeter, Radiation Research, 1962,17,11-21), it is that stable paramagnetic center and the proportional relation of radiation dose of utilizing specific sample to form after radiation are measured radiation dose; And propose alanine as the material for detector in the electron paramagnetic resonance quantimeter.The researchist has carried out a large amount of systematic researches to alanine electron paramagnetic resonance quantimeter afterwards.By 1985, based on being applied in the radiation dose measurement in the industrial scale of success of the electron paramagnetic Dosimetry of alanine, and the degree of accuracy of this method in heavy dose of scope was very high, can be used as the control experiment of different experiments chamber.
Alanine electron paramagnetic resonance quantimeter has following advantage: 1, tissue equivalent's property is good; 2, volume is little, is easy to use flexibly; 3, signal stabilization behind the irradiation; 4, read signal does not have destructiveness, can repeated multiple timesly measure, and signal can be added up measurement yet; 5, it is for dose rate and the very little (M.Lin of energy dependence of photon and electron beam, T.Garcia, V.Lourenco, Y.Cui, Y.Z.Chen, F.Wang, Bilateral comparison of an alanine/ESR dosimetry system at radiotherapy dose levels, Radiation Measurements, 2010,45,789-796).In view of these advantages, alanine electron paramagnetic resonance quantimeter be considered to a kind of classics measurement high dose 0.1 ~ 100kGy ionising radiation quantimeter and use widely.But alanine electron paramagnetic resonance quantimeter is inapplicable when the effect of low dose radiation such as measuring radiation treatment level or personal protection level.Therefore, improve the sensitivity of electron paramagnetic resonance quantimeter, the scope of the electron paramagnetic resonance quantimeter being measured ionizing radiation dose extends to the target that the low dosage scope is at present a lot of researchists.
Summary of the invention
In view of this, technical matters to be solved by this invention is to provide KSr 4(BO 3) 3: Ce 3+Application in preparation electron paramagnetic resonance quantimeter is with KSr 4(BO 3) 3: Ce 3+As the detecting material in the electron paramagnetic dosage meter, can realize that ionising radiation is measured to the low dosage scope.
The invention provides a kind of KSr 4(BO 3) 3: Ce 3+Application in preparation electron paramagnetic resonance quantimeter, wherein, KSr 4(BO 3) 3: Ce 3+The mol ratio of middle Ce and Sr is 0.0001 ~ 0.1:1.
Preferably, the mol ratio of described Ce and Sr is 0.0005～0.09:1.
Preferably, the mol ratio of described Ce and Sr is 0.002～0.08:1.
The present invention also provides a kind of electron paramagnetic resonance quantimeter, and its electron paramagnetic resonance detecting material is KSr 4(BO 3) 3: Ce 3+, wherein, the mol ratio of Ce and Sr is 0.0001～0.1:1.
Preferably, the mol ratio of described Ce and Sr is 0.0005～0.09:1.
Preferably, the mol ratio of described Ce and Sr is 0.002～0.08:1.
Compared with prior art, the present invention is with KSr 4(BO 3) 3: Ce 3+As the detecting material in the electron paramagnetic resonance quantimeter, wherein, KSr 4(BO 3) 3: Ce 3+The mol ratio of middle Ce and Sr is 0.0001 ~ 0.1:1.KSr 4(BO 3) 3: Ce 3+Behind irradiation, the electron paramagnetic resonance spectrum that obtains is comprised of six signals; As the electron paramagnetic resonance detectable signal, can be implemented in radiation dose is the interior measurement of 0.89 ~ 90.30Gy scope with the strongest signal.Experiment shows, with above-mentioned stronger signal as the electromagentic resonance detectable signal, in radiation dose is 0.89 ~ 90.30Gy scope, described detecting material has response in institute's dose scope, and be linear response, linearly dependent coefficient is 0.9997 ~ 0.9999, illustrates that detecting material of the present invention can be used for the measurement of radiation dose in the low dosage scope, and highly sensitive.In addition, KSr 4(BO 3) 3: Ce 3+Material preparation technique is simple, and raw material cheaply is easy to get, low production cost.
Description of drawings
Fig. 1 is the KSr of the embodiment of the invention 2 preparations 4(BO 3) 3: 0.2%Ce 3+The electron paramagnetic resonance spectrum of material after by gamma-ray irradiation;
Fig. 2 is the KSr of the embodiment of the invention 2 preparations 4(BO 3) 3: 0.2%Ce 3+Material is to gamma-ray dose response curve.
Embodiment
The invention provides a kind of KSr 4(BO 3) 3: Ce 3+Application in preparation electron paramagnetic resonance quantimeter, wherein, KSr 4(BO 3) 3: Ce 3+The mol ratio of middle Ce and Sr is 0.0001 ~ 0.1:1, is preferably 0.0005～0.09:1, more preferably 0.002～0.08:1.The present invention also provides a kind of electron paramagnetic resonance quantimeter, and its electron paramagnetic resonance detecting material is KSr 4(BO 3) 3: Ce 3+, wherein, the mol ratio of Ce and Sr is 0.0001～0.1:1, is preferably 0.0005～0.09:1, more preferably 0.002～0.08:1.
KSr of the present invention 4(BO 3) 3: Ce 3+Behind irradiation, the electron paramagnetic resonance spectrum that obtains is comprised of six signals; With the strongest signal as the electron paramagnetic resonance detectable signal, by measuring detecting material KSr 4(BO 3) 3: Ce 3+Response condition in radiation dose is the 0.89-90.30Gy scope, experimental result present linear preferably, and linearly dependent coefficient is 0.9997 ~ 0.9999.
In the present invention, described KSr 4(BO 3) 3: Ce 3+KSr for the Ce doping 4(BO 3) 3, it can prepare according to following steps:
Sal tartari, strontium carbonate, boric acid or boron oxide and cerium oxide are mixed, pre-burning, the mol ratio of described cerium oxide and described strontium carbonate is 0.0001～0.1:1;
Potpourri after the pre-burning is ground, and sintering in reducing gas atmosphere obtains KSr 4(BO 3) 3: Ce 3+
According to the present invention, with sal tartari, strontium carbonate, boric acid or boron oxide and cerium oxide abundant ground and mixed in mortar, in corundum crucible, carry out pre-burning.Described sal tartari is preferably analytically pure sal tartari, and described strontium carbonate is preferably analytically pure strontium carbonate, and described boric acid or boron oxide are preferably analytically pure boric acid or boron oxide, and it is 99.99% cerium oxide that described cerium oxide is preferably purity; The mol ratio of described cerium oxide and described strontium carbonate is 0.0001～0.1:1, is preferably 0.0005～0.09:1, more preferably 0.002～0.08: 1
Pre-burning of the present invention is carried out in air atmosphere.The time of described pre-burning is preferably 2 ~ 5 hours, more preferably 2.5 ~ 4.5 hours; The temperature of described pre-burning is preferably 300 ℃ ~ 650 ℃, more preferably 350 ℃ ~ 550 ℃.
According to the present invention, the potpourri that pre-burning is obtained grinds in mortar, in corundum crucible in reducing gas atmosphere sintering, each raw material is fully reacted, obtain KSr 4(BO 3) 3: Ce 3+Described reducing gas is preferably CO, H 2Or N 2And H 2Combination gas; The time of described sintering is preferably 8 ~ 20 hours, more preferably 10 ~ 18 hours; The temperature of described sintering is preferably 650 ℃ ~ 1000 ℃, more preferably 700 ℃ ~ 900 ℃.
The present invention is with KSr 4(BO 3) 3: Ce 3+As the detecting material in the electron paramagnetic resonance quantimeter, wherein, KSr 4(BO 3) 3: Ce 3+The mol ratio of middle Ce and Sr is 0.0001 ~ 0.1:1.KSr 4(BO 3) 3: Ce 3+Behind irradiation, the electron paramagnetic resonance spectrum that obtains is comprised of six signals; As the electron paramagnetic resonance detectable signal, can be implemented in radiation dose is the interior measurement of 0.89 ~ 90.30Gy scope with the strongest signal.Experiment shows, with stronger signal as the electromagentic resonance detectable signal, in radiation dose is 0.89 ~ 90.30Gy scope, described detecting material has response in institute's dose scope, and be linear response, illustrate that detecting material of the present invention can be used as the measurement of radiation dose in the low dosage scope, and highly sensitive.In addition, KSr 4(BO 3) 3: Ce 3+Material preparation technique is simple, and raw material cheaply is easy to get, low production cost.
In order further to understand the present invention, below in conjunction with embodiment to KSr provided by the invention 4(BO 3) 3: Ce 3+Application in preparation electron paramagnetic resonance quantimeter is described in detail.
Embodiment 1
Getting the analytically pure sal tartari of 1mol, the analytically pure strontium carbonate of 8mol, the analytically pure boric acid of 6mol and 0.004mol purity and be 99.9% cerium oxide fully grinds evenly and after the oven dry in mortar and puts into corundum crucible, in air atmosphere, pre-burning 2.5h under 550 ℃ temperature, the potpourri that pre-burning is obtained is cooled to room temperature, again in mortar, fully grind and mix, put into corundum crucible, fill around under the condition of carbon-point, 750 ℃ roasting temperatures 12 hours, naturally cool to room temperature, obtain KSr after in mortar, grinding 4(BO 3) 3: 0.05%Ce 3+
KSr 4(BO 3) 3: 0.05%Ce 3+By 1000Gy 60The electron paramagnetic resonance spectrum that obtains behind the Co gamma-ray irradiation is comprised of six signals.
KSr 4(BO 3) 3: 0.05%Ce 3+Material is respectively by 0.89Gy, 9.03Gy, 18.06Gy, 45.15Gy and 90.30Gy 60The Co gamma-ray irradiation obtains corresponding electron paramagnetic signal intensity, the mapping of the electron paramagnetic signal intensity of acquisition and suffered irradiation dose, i.e. and dose response curve figure, the result shows, KSr provided by the invention 4(BO 3) 3: 0.05%Ce 3+Material presents linear preferably in the low dosage scope, illustrates that material of the present invention can be used as the electron paramagnetic resonance dosimetric materials, and highly sensitive.
Embodiment 2
Getting the analytically pure sal tartari of 1mol, the analytically pure strontium carbonate of 8mol, the analytically pure boric acid of 6mol and 0.016mol purity and be 99.9% cerium oxide fully grinds evenly and after the oven dry in mortar and puts into corundum crucible, in air atmosphere, pre-burning 3h under 500 ℃ temperature, the potpourri that pre-burning is obtained is cooled to room temperature, again in mortar, fully grind and mix, put into corundum crucible, fill around under the condition of carbon-point, 700 ℃ roasting temperatures 10 hours, naturally cool to room temperature, obtain KSr after in mortar, grinding 4(BO 3) 3: 0.2%Ce 3+
KSr 4(BO 3) 3: 0.2%Ce 3+By 1000Gy 60The electron paramagnetic resonance spectrum that obtains behind the Co gamma-ray irradiation is referring to Fig. 1.Fig. 1 is the KSr of the embodiment of the invention 2 preparations 4(BO 3) 3: 0.2%Ce 3+The electron paramagnetic resonance spectrum of material after by gamma-ray irradiation.As shown in Figure 1, KSr 4(BO 3) 3: 0.2%Ce 3+The electron paramagnetic resonance spectrum of material is comprised of six signals.
KSr 4(BO 3) 3: 0.2%Ce 3+Material is respectively by 0.89Gy, 9.03Gy, 18.06Gy, 45.15Gy and 90.30Gy 60The Co gamma-ray irradiation obtains corresponding electron paramagnetic signal intensity, the mapping of the electron paramagnetic signal intensity of acquisition and suffered irradiation dose, i.e. and dose response curve figure, the result is referring to Fig. 2, and Fig. 2 is the KSr of the embodiment of the invention 2 preparations 4(BO 3) 3: 0.2%Ce 3+Material is to gamma-ray dose response curve.As shown in Figure 2, KSr provided by the invention 4(BO 3) 3: 0.2%Ce 3+Material presents linear preferably in the low dosage scope, and linearly dependent coefficient is 0.9998, illustrates that material of the present invention can be used as the electron paramagnetic resonance dosimetric materials, and highly sensitive.
Embodiment 3
Getting the analytically pure sal tartari of 1mol, the analytically pure strontium carbonate of 8mol, the analytically pure boric acid of 6mol and 0.16mol purity and be 99.9% cerium oxide fully grinds evenly and after the oven dry in mortar and puts into corundum crucible, in air atmosphere, pre-burning 4.5h under 450 ℃ temperature, the potpourri that pre-burning is obtained is cooled to room temperature, again in mortar, fully grind and mix, put into corundum crucible, fill around under the condition of carbon-point, 800 ℃ roasting temperatures 15 hours, naturally cool to room temperature, obtain KSr after in mortar, grinding 4(BO 3) 3: 2%Ce 3+
KSr 4(BO 3) 3: 2%Ce 3+By 1000Gy 60The electron paramagnetic resonance spectrum that obtains behind the Co gamma-ray irradiation is comprised of six signals.
KSr 4(BO 3) 3: 2%Ce 3+Material is respectively by 0.89Gy, 9.03Gy, 18.06Gy, 45.15Gy and 90.30Gy 60The Co gamma-ray irradiation obtains corresponding electron paramagnetic signal intensity, the mapping of the electron paramagnetic signal intensity of acquisition and suffered irradiation dose, i.e. and dose response curve figure, the result shows, KSr provided by the invention 4(BO 3) 3: 2%Ce 3+Material presents linear preferably in the low dosage scope, illustrates that material of the present invention can be used as the electron paramagnetic resonance dosimetric materials, and highly sensitive.
Embodiment 4
Getting the analytically pure sal tartari of 1mol, the analytically pure strontium carbonate of 8mol, the analytically pure boric acid of 6mol and 0.32mol purity and be 99.9% cerium oxide fully grinds evenly and after the oven dry in mortar and puts into corundum crucible, in air atmosphere, pre-burning 3h under 400 ℃ temperature, the potpourri that pre-burning is obtained is cooled to room temperature, again in mortar, fully grind and mix, put into corundum crucible, fill around under the condition of carbon-point, 850 ℃ roasting temperatures 16 hours, naturally cool to room temperature, obtain KSr after in mortar, grinding 4(BO 3) 3: 4%Ce 3+
KSr 4(BO 3) 3: 4%Ce 3+By 1000Gy 60The electron paramagnetic resonance spectrum that obtains behind the Co gamma-ray irradiation is comprised of six signals.
KSr 4(BO 3) 3: 4%Ce 3+Material is respectively by 0.89Gy, 9.03Gy, 18.06Gy, 45.15Gy and 90.30Gy 60The Co gamma-ray irradiation obtains corresponding electron paramagnetic signal intensity, the mapping of the electron paramagnetic signal intensity of acquisition and suffered irradiation dose, i.e. and dose response curve figure, the result shows, KSr provided by the invention 4(BO 3) 3: 4%Ce 3+Material presents linear preferably in the low dosage scope, illustrates that material of the present invention can be used as the electron paramagnetic resonance dosimetric materials, and highly sensitive.
Embodiment 5
Getting the analytically pure sal tartari of 1mol, the analytically pure strontium carbonate of 8mol, the analytically pure boric acid of 6mol and 0.64mol purity and be 99.9% cerium oxide fully grinds evenly and after the oven dry in mortar and puts into corundum crucible, in air atmosphere, pre-burning 4h under 350 ℃ temperature, the potpourri that pre-burning is obtained is cooled to room temperature, again in mortar, fully grind and mix, put into corundum crucible, fill around under the condition of carbon-point, 900 ℃ roasting temperatures 18 hours, naturally cool to room temperature, obtain KSr after in mortar, grinding 4(BO 3) 3: 8%Ce 3+
KSr 4(BO 3) 3: 8%Ce 3+By 1000Gy 60The electron paramagnetic resonance spectrum that obtains behind the Co gamma-ray irradiation is comprised of six signals.
KSr 4(BO 3) 3: 8%Ce 3+Material is respectively by 0.89Gy, 9.03Gy, 18.06Gy, 45.15Gy and 90.30Gy 60The Co gamma-ray irradiation obtains corresponding electron paramagnetic signal intensity, the mapping of the electron paramagnetic signal intensity of acquisition and suffered irradiation dose, i.e. and dose response curve figure, the result shows, KSr provided by the invention 4(BO 3) 3:, 8%Ce 3+Material presents linear preferably in the low dosage scope, illustrates that material of the present invention can be used as the electron paramagnetic resonance dosimetric materials, and highly sensitive.
The explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.

Claims (6)

1.KSr 4(BO 3) 3: Ce 3+Application in preparation electron paramagnetic resonance quantimeter, wherein, KSr 4(BO 3) 3: Ce 3+The mol ratio of middle Ce and Sr is 0.0001 ~ 0.1:1.
2. application according to claim 1 is characterized in that, the mol ratio of described Ce and Sr is 0.0005～0.09:1.
3. application according to claim 1 is characterized in that, the mol ratio of described Ce and Sr is 0.002～0.08:1.
4. electron paramagnetic resonance quantimeter, its electron paramagnetic resonance detecting material is KSr 4(BO 3) 3: Ce 3+, wherein, the mol ratio of Ce and Sr is 0.0001～0.1:1.
5. electron paramagnetic resonance quantimeter according to claim 4 is characterized in that, the mol ratio of described Ce and Sr is 0.0005～0.09:1.
6. electron paramagnetic resonance quantimeter according to claim 4 is characterized in that, the mol ratio of described Ce and Sr is 0.002～0.08:1.
CN201210384746.8A 2012-10-11 2012-10-11 Application of KSr4(BO3)3:Ce3+ in preparation of electron paramagnetic resonance dose meter Active CN102879795B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210384746.8A CN102879795B (en) 2012-10-11 2012-10-11 Application of KSr4(BO3)3:Ce3+ in preparation of electron paramagnetic resonance dose meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210384746.8A CN102879795B (en) 2012-10-11 2012-10-11 Application of KSr4(BO3)3:Ce3+ in preparation of electron paramagnetic resonance dose meter

Publications (2)

Publication Number Publication Date
CN102879795A true CN102879795A (en) 2013-01-16
CN102879795B CN102879795B (en) 2015-02-18

Family

ID=47481189

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210384746.8A Active CN102879795B (en) 2012-10-11 2012-10-11 Application of KSr4(BO3)3:Ce3+ in preparation of electron paramagnetic resonance dose meter

Country Status (1)

Country Link
CN (1) CN102879795B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106597515A (en) * 2016-11-28 2017-04-26 江苏省农业科学院 Product irradiation dose determination method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1892251A (en) * 2005-06-29 2007-01-10 通用电气公司 High energy resolution scintillators having high light output
US20070063154A1 (en) * 2005-02-02 2007-03-22 Wei Chen Energy-transfer nanocomposite materials and methods of making and using same
CN101001936A (en) * 2004-08-09 2007-07-18 圣戈班晶体及检测公司 Low-delayed luminescence dense and rapid scintillator material
JP2007187641A (en) * 2006-01-13 2007-07-26 Keycom Corp Method and device for inspecting irradiated food
CN101818057A (en) * 2010-05-14 2010-09-01 中国科学院长春应用化学研究所 Luminous material and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101001936A (en) * 2004-08-09 2007-07-18 圣戈班晶体及检测公司 Low-delayed luminescence dense and rapid scintillator material
US20070063154A1 (en) * 2005-02-02 2007-03-22 Wei Chen Energy-transfer nanocomposite materials and methods of making and using same
CN1892251A (en) * 2005-06-29 2007-01-10 通用电气公司 High energy resolution scintillators having high light output
JP2007187641A (en) * 2006-01-13 2007-07-26 Keycom Corp Method and device for inspecting irradiated food
CN101818057A (en) * 2010-05-14 2010-09-01 中国科学院长春应用化学研究所 Luminous material and preparation method thereof

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
L.H. JIANG ET AL.: "Synthesis, photoluminescence, thermoluminescence and dosimetry properties of novel phosphor KSr4(BO3)3:Ce", 《JOURNAL OF ALLOYS AND COMPOUNDS》 *
L.H.JIANG ET AL.: "Thermoluminescence properties of Ce3+-doped LiSr4(BO3)3 phosphor", 《MATERIALS LETTERS》 *
武莉等: "K1-xNaxSr4(BO3)3(0≤x≤0.5)的晶体结构研究", 《第15届全国晶体生长与材料学术会议论文集》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106597515A (en) * 2016-11-28 2017-04-26 江苏省农业科学院 Product irradiation dose determination method
CN106597515B (en) * 2016-11-28 2018-09-14 江苏省农业科学院 A kind of assay method of irradiation of product dosage

Also Published As

Publication number Publication date
CN102879795B (en) 2015-02-18

Similar Documents

Publication Publication Date Title
CN101617023A (en) Fluorescent material and adopt the scintillator and the radiation detector of this fluorescent material
Minqiang et al. Synthesis and luminescence in LiMgPO4: Tb, Sm, B phosphors with possible applications in real-time dosimetry
ES2627561T3 (en) Garnet composition scintillator
Wu et al. Unraveling the critical role of site occupancy of lithium codopants in Lu2SiO5: Ce3+ single-crystalline scintillators
Jiang et al. Thermoluminescence studies of LiSrBO3: RE3+ (RE= Dy, Tb, Tm and Ce)
Luo et al. Microstructure and optical characteristics of Ce: Gd3 (Ga, Al) 5O12 ceramic for scintillator application
Zhydachevskyy et al. Band gap engineering and trap depths of intrinsic point defects in ralo3 (r= y, la, gd, yb, lu) perovskites
Kato et al. Dosimetric properties of Al2O3 transparent ceramics doped with C
Isokawa et al. Radiation-induced luminescence properties of Tb-doped Li3PO4-B2O3 glasses
CN101818057A (en) Luminous material and preparation method thereof
Alajerami et al. Thermoluminescence responses of photon-and electron-irradiated lithium potassium borate co-doped with Cu+ Mg or Ti+ Mg
Hanh et al. Thermoluminescence properties of isostructural K2YF5 and K2GdF5 crystals doped with Tb3+ in response to α, β and X-ray irradiation
Jin et al. Improved thermoluminescence response of terbium doped magnesium orthosilicate by co-doping with sodium ions
CN102879795B (en) Application of KSr4(BO3)3:Ce3+ in preparation of electron paramagnetic resonance dose meter
Wani et al. Mechanoluminescence and lyoluminescence characterization of Li2BaP2O7: Eu phosphor
JP6776671B2 (en) Fluorescent materials, ceramic scintillators and radiation detectors, and methods for manufacturing fluorescent materials
CN102879796B (en) LiSr 4(BO 3) 3: Ce 3+application in preparation electron paramagnetic resonance quantimeter
Yang et al. LiCaAlF6: Eu and LiCaAlF6: Ce Single Crystals Grown by the Vertical Bridgman Method in a Nonvacuum Atmosphere and Their Optical and Scintillation Properties
Solodovnikov et al. Single crystal Ce doped scintillator material with garnet structure sensitive to gamma ray and neutron radiation
Yin et al. Study on the thermoluminescence and optically stimulated luminescence of LiMgPO4: Dy phosphors synthesized by different methods
CN107236540A (en) Europkium-activated orthosilicate flash luminous material of one class divalence and preparation method thereof and the application in X-ray detection
Xiong et al. Emission spectra and thermoluminescence of rare-earth-doped bismuth silicate crystals grown by modified Bridgman method
Coeck et al. Thermoluminescent characteristics of LiKYF5: Pr3+ and KYF4: Tm3+ crystals for applications in neutron and gamma dosimetry
Veronese et al. Radioluminescence dosimetry by scintillating fiber optics: the open challenges
Dosovitskiy et al. Polycrystalline scintillators for large area detectors in HEP experiments

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20180404

Address after: Changzhou City, Jiangsu province Hehai road 213000 No. 9

Patentee after: Changzhou Institute of Energy Storage Materials & Devices

Address before: 130022 Changchun people's street, Jilin, No. 5625

Patentee before: Changchun Institue of Applied Chemistry, Chinese Academy of Sciences

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201104

Address after: 130022 Changchun people's street, Jilin, No. 5625

Patentee after: Changchun Institute of Applied Chemistry Chinese Academy of Sciences

Address before: Changzhou City, Jiangsu province Hehai road 213000 No. 9

Patentee before: CHANGZHOU INSTITUTE OF ENERGY STORAGE MATERIALS & DEVICES

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201230

Address after: 341000 No.36, Huangjin Avenue, Ganzhou economic and Technological Development Zone, Ganzhou City, Jiangxi Province

Patentee after: Jiangxi Rare Earth Research Institute, Chinese Academy of Sciences

Address before: 130022 No. 5625 Renmin Street, Jilin, Changchun

Patentee before: Changchun Institute of Applied Chemistry Chinese Academy of Sciences

TR01 Transfer of patent right