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Spin transfer torque

Material selection for Spin Transfer Torque Magnetic Random Access Memories: a High Throughput approach

Material selection for Spin Transfer Torque Magnetic Random Access Memories: a High Throughput approach

... A Spin-Transfer-Torque Magnetic Random Access Memory (STT-MRAM) is a com- plex multilayered structure, whose sensitive element is formed by two ferromagnetic layers sandwiching an insulator, acting ...

152

Dependence of spin pumping and spin transfer torque upon Ni81Fe19 thickness in Ta/Ag/Ni81Fe19/Ag/Co2MnGe/Ag/Ta spin-valve structures

Dependence of spin pumping and spin transfer torque upon Ni81Fe19 thickness in Ta/Ag/Ni81Fe19/Ag/Co2MnGe/Ag/Ta spin-valve structures

... the spin current absorption is more accurately determined from element-specific phase-resolved x-ray ferromagnetic resonance (XFMR) measurements that directly probe the spin transfer torque ...

12

First principles spin transfer torque in CuMnAs|GaP|CuMnAs junctions

First principles spin transfer torque in CuMnAs|GaP|CuMnAs junctions

... by spin-transfer ...the torque remains staggered regardless of the termination, while the magnetoresistance depends on the microscopic details of the ...

5

Optical spin transfer torque driven domain wall motion in a ferromagnetic semiconductor

Optical spin transfer torque driven domain wall motion in a ferromagnetic semiconductor

... optical spin-transfer torque induced by a circularly polarized laser at normal incidence is not expected to act within the magnetic ...local torque that results in an optical polarization ...

5

Spin transfer torque magnetisation switching in MgO based magnetic tunnel junctions

Spin transfer torque magnetisation switching in MgO based magnetic tunnel junctions

... In this thesis, first, the fundamentals of MTJs were explored by investigating different tunnel barrier materials, then, a new physical phenomenon called spin transfer torque magnetisati[r] ...

257

The increase of the spin-transfer torque threshold current density in coupled vortex domain walls

The increase of the spin-transfer torque threshold current density in coupled vortex domain walls

... non-adiabatic spin- transfer torque is introduced into the Landau-Lifshitz-Gilbert equation as a second order modification to the purely adiabatic spin-transfer torque, and is ...

17

Low magnetisation alloys for in plane spin transfer torque devices

Low magnetisation alloys for in plane spin transfer torque devices

... of spin transfer torque (STT) associated with spin polarized current in magnetic multi- layers by Slonczewski and Berger in 1996, 1,2 there has been great interest in the spin ...

7

Spin pumping in ferromagnet topological insulator ferromagnet heterostructures

Spin pumping in ferromagnet topological insulator ferromagnet heterostructures

... significant spin transfer ...that transfer of angular momentum between fer- romagnetic layers in a spin valve structure is possible, either through conventional spin pumping or possibly ...

5

Towards Efficient Integration of Emerging NVM Technologies in Future Systems.

Towards Efficient Integration of Emerging NVM Technologies in Future Systems.

... Phase-Change Memory (PCM), Spin-Transfer Torque (STT-RAM) and Memristor are among emerging non-volatile memory technologies, some of which are considered as candidates for replacing DRAM[r] ...

207

Design A High Speed Spin Torque Transfer Magnetic Tunnel Junction (Stt Mtj) NonVolatile Flip Flops Based On Memory

Design A High Speed Spin Torque Transfer Magnetic Tunnel Junction (Stt Mtj) NonVolatile Flip Flops Based On Memory

... Abstract— Basically, in low power applications, the energy should be harvested depend on the frequent interruptions. In this paper we proposed the design of spin-transfer torque magnetic tunnel ...

5

Spin Dynamics in the Ferromagnetic Resonance

Spin Dynamics in the Ferromagnetic Resonance

... the spin-transfer torque term, and the frequency spectrum analysis method are used to study the dynamic process of ferromagnetic ...and spin-transfer torque caused by the ...

6

A Two-Band Tight-Binding Model of Spin-Polarized Transport in Magnetic Tunnel Junctions

A Two-Band Tight-Binding Model of Spin-Polarized Transport in Magnetic Tunnel Junctions

... of spin-dependent transport in multi- layers is the current induced magnetization switching in magnetic multilayers due to spin-transfer torque [16] acting on the magnetization of the magnetic ...

10

Effect of Rare-Earth Incorporation in Ferromagnetic Metals for Magnetic Domain Wall Devices.

Effect of Rare-Earth Incorporation in Ferromagnetic Metals for Magnetic Domain Wall Devices.

... becomes spin polarized and has spin angular ...A torque is exerted to orient the electron spin with the domain wall and in response an exchange torque is applied to the ...adiabatic ...

137

Spin orbit torque opposing the Oersted torque in ultrathin Co/Pt bilayers

Spin orbit torque opposing the Oersted torque in ultrathin Co/Pt bilayers

... Current-induced spin-orbit torques in ultrathin ferro- magnetic/heavy metal bilayers provide ways to electrically control ...the spin-orbit ...the spin-Hall effect (SHE), 1–4 where a charge-current ...

5

Investigation into the transport
properties of isolated FePt
nanoparticles using STM

Investigation into the transport properties of isolated FePt nanoparticles using STM

... Investigation into the transport properties of isolated FePt nanoparticles using STM In order to facilitate spin transfer torque experiments a spin-polarized tunneling current can be inj[r] ...

51

Design of Non-Volatile Memory Based On Improved Writing Circuit STT-MRAM Technique

Design of Non-Volatile Memory Based On Improved Writing Circuit STT-MRAM Technique

... ABSTRACT: Spin-transfer torque magnetic RAM (STT-MRAM) is a one of the memory application for next ...on Spin Transfer Torque Magnetic Random Access Memory ...

7

Overview of emerging nonvolatile memory technologies

Overview of emerging nonvolatile memory technologies

... PCM, spin-transfer torque random-access memory (STT-RAM), RRAM and ...or spin valve can be modified using a spin- polarized current. Spin-transfer torque technology ...

33

Spin transport and spin torque in antiferromagnetic devices

Spin transport and spin torque in antiferromagnetic devices

... a spin-polarizer. Gomonay and Loktev 5 showed that a spin-polarized current can efficiently manipulate the antiferromagnetic order, assuming that the torque generated by the spin-polarized ...

22

Electronic Transport as a Driver for Self Interaction Corrected Methods

Electronic Transport as a Driver for Self Interaction Corrected Methods

... Spin transfer torque magnetic random access memory (STT-MRAM) offers a novel magnetic memory technology that overcomes some of those ...a spin-polarized elec- tric current through the ...

48

Spin torque effects in thermally assisted magnetisation reversal: Method of statistical moments

Spin torque effects in thermally assisted magnetisation reversal: Method of statistical moments

... by spin-polarized currents are treated via the Landau-Lifshitz- Gilbert equation generalized to include both the random thermal noise field and the Slonczewski spin-transfer torque ...a ...

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