Spin-torque switching of a nano-magnet using giant spin hall effect | Zendy

Ashish Verma Penumatcha | Zendy; Suprem R. Das | Zendy; Zhihong Chen | Zendy; Joerg Appenzeller | Zendy

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Spin-torque switching of a nano-magnet using giant spin hall effect

Author(s) -

Ashish Verma Penumatcha,

Suprem R. Das,

Zhihong Chen,

Joerg Appenzeller

Publication year - 2015

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4935103

Subject(s) - nanomagnet , spin hall effect , condensed matter physics , spin (aerodynamics) , spin transfer torque , magnet , spin engineering , hall effect , magnetic field , torque , spinplasmonics , spin polarization , physics , materials science , magnetization , electron , quantum mechanics , thermodynamics

The Giant Spin Hall Effect(GSHE) in metals with high spin-orbit coupling is an efficient way to convert charge currents to spin currents, making it well-suited for writing information into magnets in non-volatile magnetic memory as well as spin-logic devices. We demonstrate the switching of an in-plane CoFeB magnet using a combination of GSHE and an external magnetic field. The magnetic field dependence of the critical current is used to estimate the spin hall angle with the help of a thermal activation model for spin-transfer torque switching of a nanomagnet

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