Applied Physics Letters

, том 101 , издание 12 , страницы 122404

Spin transfer torque devices utilizing the giant spin Hall effect of tungsten

Тип публикации: Journal Article

Дата публикации: 2012-09-17

AIP Publishing

Applied Physics Letters

scimago Q1

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БС1

SJR: 0.976

CiteScore: 6.4

Impact factor: 3.6

ISSN: 00036951, 10773118

DOI: 10.1063/1.4753947

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Physics and Astronomy (miscellaneous)

Краткое описание

We report a giant spin Hall effect in β-W thin films. Using spin torque induced ferromagnetic resonance with a β-W/CoFeB bilayer microstrip, we determine the spin Hall angle to be |θSHβ-W|=0.30±0.02, large enough for an in-plane current to efficiently reverse the orientation of an in-plane magnetized CoFeB free layer of a nanoscale magnetic tunnel junction adjacent to a thin β-W layer. From switching data obtained with such 3-terminal devices, we independently determine |θSHβ-W|=0.33±0.06. We also report variation of the spin Hall switching efficiency with W layers of different resistivities and hence of variable (α and β) phase composition.

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ГОСТ |

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ГОСТ Скопировать

Pai C. F. et al. Spin transfer torque devices utilizing the giant spin Hall effect of tungsten // Applied Physics Letters. 2012. Vol. 101. No. 12. p. 122404.

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Pai C., Liu L., Li Y., Tseng H. W., Ralph D. E., Buhrman R. A. Spin transfer torque devices utilizing the giant spin Hall effect of tungsten // Applied Physics Letters. 2012. Vol. 101. No. 12. p. 122404.

RIS |

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TY - JOUR

DO - 10.1063/1.4753947

UR - https://doi.org/10.1063/1.4753947

TI - Spin transfer torque devices utilizing the giant spin Hall effect of tungsten

T2 - Applied Physics Letters

AU - Pai, Chi-Feng

AU - Liu, Luqiao

AU - Li, Y

AU - Tseng, H. W.

AU - Ralph, D. E.

AU - Buhrman, R. A.

PY - 2012

DA - 2012/09/17

PB - AIP Publishing

SP - 122404

IS - 12

VL - 101

SN - 0003-6951

SN - 1077-3118

ER -

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@article{2012_Pai,

author = {Chi-Feng Pai and Luqiao Liu and Y Li and H. W. Tseng and D. E. Ralph and R. A. Buhrman},

title = {Spin transfer torque devices utilizing the giant spin Hall effect of tungsten},

journal = {Applied Physics Letters},

year = {2012},

volume = {101},

publisher = {AIP Publishing},

month = {sep},

url = {https://doi.org/10.1063/1.4753947},

number = {12},

pages = {122404},

doi = {10.1063/1.4753947}

}

MLA

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MLA Скопировать

Pai, Chi Feng, et al. “Spin transfer torque devices utilizing the giant spin Hall effect of tungsten.” Applied Physics Letters, vol. 101, no. 12, Sep. 2012, p. 122404. https://doi.org/10.1063/1.4753947.

Издатель

AIP Publishing

Журнал

Applied Physics Letters

scimago Q1

wos Q2

БС1

SJR

0.976

CiteScore

6.4

Impact factor

3.6

ISSN

00036951 (Print)

10773118 (Electronic)