Dynamic control of spin states in interacting magnetic elements

Jain, Shikha; Novosad, Valentyn

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Title: Dynamic control of spin states in interacting magnetic elements

Abstract

A method for the control of the magnetic states of interacting magnetic elements comprising providing a magnetic structure with a plurality of interacting magnetic elements. The magnetic structure comprises a plurality of magnetic states based on the state of each interacting magnetic element. The desired magnetic state of the magnetic structure is determined. The active resonance frequency and amplitude curve of the desired magnetic state is determined. Each magnetic element of the magnetic structure is then subjected to an alternating magnetic field or electrical current having a frequency and amplitude below the active resonance frequency and amplitude curve of said desired magnetic state and above the active resonance frequency and amplitude curve of the current state of the magnetic structure until the magnetic state of the magnetic structure is at the desired magnetic state.

Inventors:: Jain, Shikha; Novosad, Valentyn

Issue Date:: Tue Oct 07 00:00:00 EDT 2014

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1159981

Patent Number(s):: 8854871

Application Number:: 14/082,260

Assignee:: U.S. Department of Energy (Washington, DC)

Patent Classifications (CPCs):: G - PHYSICS G11 - INFORMATION STORAGE G11C - STATIC STORES

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01F - MAGNETS

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G - PHYSICS G11 - INFORMATION STORAGE G11C - STATIC STORES
G11C11/15 - using multiple magnetic layers
G11C11/16 - using elements in which the storage effect is based on magnetic spin effect {
G11C11/161 - {details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell}
G11C11/1675 - {Writing or programming circuits or methods}
G11C11/1677 - {Verifying circuits or methods}
G11C11/5607 - {using magnetic storage elements}

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01F - MAGNETS
H01F10/32 - Spin-exchange-coupled multilayers, e.g. nanostructured superlattices {

Show less

DOE Contract Number:: AC02-06CH11357

Resource Type:: Patent

Resource Relation:: Patent File Date: 2013 Nov 18

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Jain, Shikha, and Novosad, Valentyn. Dynamic control of spin states in interacting magnetic elements.  United States: N. p., 2014. 
        Web.

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                    Jain, Shikha, & Novosad, Valentyn. Dynamic control of spin states in interacting magnetic elements.  United States.

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                    Jain, Shikha, and Novosad, Valentyn. Tue .  
        "Dynamic control of spin states in interacting magnetic elements".  United States.  https://www.osti.gov/servlets/purl/1159981.

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@article{osti_1159981,

  title        = {Dynamic control of spin states in interacting magnetic elements},

  author       = {Jain, Shikha and Novosad, Valentyn},

  abstractNote = {A method for the control of the magnetic states of interacting magnetic elements comprising providing a magnetic structure with a plurality of interacting magnetic elements. The magnetic structure comprises a plurality of magnetic states based on the state of each interacting magnetic element. The desired magnetic state of the magnetic structure is determined. The active resonance frequency and amplitude curve of the desired magnetic state is determined. Each magnetic element of the magnetic structure is then subjected to an alternating magnetic field or electrical current having a frequency and amplitude below the active resonance frequency and amplitude curve of said desired magnetic state and above the active resonance frequency and amplitude curve of the current state of the magnetic structure until the magnetic state of the magnetic structure is at the desired magnetic state.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Oct 07 00:00:00 EDT 2014},

  month        = {Tue Oct 07 00:00:00 EDT 2014}

}

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Works referencing / citing this record:

Encryption code generation using spin-torque NANO-oscillators
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Similar Records

Title: Dynamic control of spin states in interacting magnetic elements

Abstract

Citation Formats

Intentional asymmetry imposed during fabrication and/or access of magnetic tunnel junction devices patent, August 2000

Magnetoresistance random access memory patent, November 2003

Magnetic memory elements using 360° walls patent, June 2005

Magnetic memory, magnetic memory array, method for fabricating a magnetic memory, method for recording in a magnetic memory and method for reading out from a magnetic memory patent, September 2005

Magnetic ring unit and magnetic memory device patent, February 2006

Magnetic memory array, method for recording in a magnetic memory array and method for reading out from a magnetic memory array patent, August 2006

Ferroelectric nanostructure having switchable multi-stable vortex states patent, September 2009

Method for the detection of a magnetic field utilizing a magnetic vortex patent, April 2010

Exchange-bias based multi-state magnetic memory and logic devices and magnetically stabilized magnetic storage patent, July 2010

Vortex spin momentum transfer magnetoresistive device patent, January 2011

Magnetic materials having superparamagnetic particles patent, February 2011

Core-rotating element of ferromagnetic dot and information memory element using the core of ferromagnetic dot patent, May 2011

Electronic devices based on current induced magnetization dynamics in single magnetic layers patent, July 2011

Method of generating strong spin waves and spin devices for ultra-high speed information processing using spin waves patent, April 2012

Magnetic vortex storage device patent, March 2013

Transmitting video between two stations in a wireless network patent, May 2013

Magnetic storage element, magnetic storage device, and magnetic memory patent, January 2014

Spin valve element, method of driving the same, and storage device using the same patent, February 2014

Spin-valve recording element and storage device patent, March 2014

Magnetic Memory Cell patent-application, May 2013

Unified System Networking with CEE-PCIE Tunneling patent-application, June 2014

Encryption code generation using spin-torque NANO-oscillators patent, June 2016

System with magnetically stable states and method for asserting magnetically stable state patent, December 2015

Intentional asymmetry imposed during fabrication and/or access of magnetic tunnel junction devices
patent, August 2000

Magnetoresistance random access memory
patent, November 2003

Magnetic memory elements using 360° walls
patent, June 2005

Magnetic memory, magnetic memory array, method for fabricating a magnetic memory, method for recording in a magnetic memory and method for reading out from a magnetic memory
patent, September 2005

Magnetic ring unit and magnetic memory device
patent, February 2006

Magnetic memory array, method for recording in a magnetic memory array and method for reading out from a magnetic memory array
patent, August 2006

Ferroelectric nanostructure having switchable multi-stable vortex states
patent, September 2009

Method for the detection of a magnetic field utilizing a magnetic vortex
patent, April 2010

Exchange-bias based multi-state magnetic memory and logic devices and magnetically stabilized magnetic storage
patent, July 2010

Vortex spin momentum transfer magnetoresistive device
patent, January 2011

Magnetic materials having superparamagnetic particles
patent, February 2011

Core-rotating element of ferromagnetic dot and information memory element using the core of ferromagnetic dot
patent, May 2011

Electronic devices based on current induced magnetization dynamics in single magnetic layers
patent, July 2011

Method of generating strong spin waves and spin devices for ultra-high speed information processing using spin waves
patent, April 2012

Magnetic vortex storage device
patent, March 2013

Transmitting video between two stations in a wireless network
patent, May 2013

Magnetic storage element, magnetic storage device, and magnetic memory
patent, January 2014

Spin valve element, method of driving the same, and storage device using the same
patent, February 2014

Spin-valve recording element and storage device
patent, March 2014

Magnetic Memory Cell
patent-application, May 2013

Unified System Networking with CEE-PCIE Tunneling
patent-application, June 2014

Encryption code generation using spin-torque NANO-oscillators
patent, June 2016

System with magnetically stable states and method for asserting magnetically stable state
patent, December 2015