EP3394980A4 - Synchronization of multiple nano-contact spin torque oscillators - Google Patents

Synchronization of multiple nano-contact spin torque oscillators Download PDF

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Publication number
EP3394980A4
EP3394980A4 EP16879484.0A EP16879484A EP3394980A4 EP 3394980 A4 EP3394980 A4 EP 3394980A4 EP 16879484 A EP16879484 A EP 16879484A EP 3394980 A4 EP3394980 A4 EP 3394980A4
Authority
EP
European Patent Office
Prior art keywords
synchronization
spin torque
multiple nano
torque oscillators
contact spin
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.)
Withdrawn
Application number
EP16879484.0A
Other languages
German (de)
French (fr)
Other versions
EP3394980A1 (en
Inventor
Randy DUMAS
Afshin HOUSHANG
Johan ÅKERMAN
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3394980A1 publication Critical patent/EP3394980A1/en
Publication of EP3394980A4 publication Critical patent/EP3394980A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B15/00—Generation of oscillations using galvano-magnetic devices, e.g. Hall-effect devices, or using superconductivity effects
    • H03B15/006—Generation of oscillations using galvano-magnetic devices, e.g. Hall-effect devices, or using superconductivity effects using spin transfer effects or giant magnetoresistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/82—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by variation of the magnetic field applied to the device
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/10—Magnetoresistive devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nanotechnology (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Hall/Mr Elements (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
EP16879484.0A 2015-12-21 2016-12-20 Synchronization of multiple nano-contact spin torque oscillators Withdrawn EP3394980A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1551694A SE540517C2 (en) 2015-12-21 2015-12-21 Synchronization of multiple nano-contact spin torque oscillators
PCT/SE2016/051290 WO2017111688A1 (en) 2015-12-21 2016-12-20 Synchronization of multiple nano-contact spin torque oscillators

Publications (2)

Publication Number Publication Date
EP3394980A1 EP3394980A1 (en) 2018-10-31
EP3394980A4 true EP3394980A4 (en) 2019-07-31

Family

ID=59090850

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16879484.0A Withdrawn EP3394980A4 (en) 2015-12-21 2016-12-20 Synchronization of multiple nano-contact spin torque oscillators

Country Status (3)

Country Link
EP (1) EP3394980A4 (en)
SE (1) SE540517C2 (en)
WO (1) WO2017111688A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6939180B2 (en) * 2017-07-21 2021-09-22 株式会社デンソー AC generator
WO2019017276A1 (en) * 2017-07-21 2019-01-24 株式会社デンソー Ac generation device
US11593636B1 (en) 2019-01-03 2023-02-28 Seagate Technology Llc Machine learning system utilizing magnetization susceptibility adjustments
CN112310787B (en) * 2020-11-16 2023-03-21 北京航空航天大学合肥创新研究院 Spinning nanooscillator frequency modulation method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7678475B2 (en) * 2006-05-05 2010-03-16 Slavin Andrei N Spin-torque devices
US20100308923A1 (en) * 2009-06-04 2010-12-09 Seagate Technology Llc Magnetic voltage controlled oscillator
US20120075752A1 (en) * 2010-09-28 2012-03-29 Kabushiki Kaisha Toshiba Magnetic head

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE538342C2 (en) * 2014-04-09 2016-05-24 Nanosc Ab Spinnoscillator device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7678475B2 (en) * 2006-05-05 2010-03-16 Slavin Andrei N Spin-torque devices
US20100308923A1 (en) * 2009-06-04 2010-12-09 Seagate Technology Llc Magnetic voltage controlled oscillator
US20120075752A1 (en) * 2010-09-28 2012-03-29 Kabushiki Kaisha Toshiba Magnetic head

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
HOEFER M A ET AL: "Model for a collimated spin wave beam generated by a single layer, spin torque nanocontact", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, 15 October 2007 (2007-10-15), XP080306608, DOI: 10.1103/PHYSREVB.77.144401 *
HOUSHANG A ET AL: "Effect of Excitation Fatigue on the Synchronization of Multiple Nanocontact Spin-Torque Oscillators", IEEE MAGNETICS LETTERS, vol. 5, 13 November 2014 (2014-11-13), pages 1 - 4, XP011564348, ISSN: 1949-307X, [retrieved on 20141113], DOI: 10.1109/LMAG.2014.2364157 *
See also references of WO2017111688A1 *
SUBASH B ET AL: "Enhanced synchronization in an array of spin torque nano-oscillators in the presence of oscillating external magnetic field", EUROPHYSICS LETTERS: A LETTERS JOURNAL EXPLORING THE FRONTIERS OF PHYSICS, INSTITUTE OF PHYSICS PUBLISHING, BRISTOL, FR, vol. 109, no. 1, 21 January 2015 (2015-01-21), pages 17009, XP020276173, ISSN: 0295-5075, [retrieved on 20150121], DOI: 10.1209/0295-5075/109/17009 *

Also Published As

Publication number Publication date
SE540517C2 (en) 2018-09-25
EP3394980A1 (en) 2018-10-31
SE1551694A1 (en) 2017-06-22
WO2017111688A1 (en) 2017-06-29

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