Antiferromagnetic spin current rectifier | Zendy

Roman Khymyn | Zendy; Vasil Tiberkevich | Zendy; A. N. Slavin | Zendy

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Antiferromagnetic spin current rectifier

Author(s) -

Roman Khymyn,

Vasil Tiberkevich,

A. N. Slavin

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4977974

Subject(s) - spintronics , antiferromagnetism , schottky diode , condensed matter physics , spin (aerodynamics) , spin hall effect , diode , rectification , spin wave , schottky barrier , materials science , ferromagnetism , spin polarization , optoelectronics , physics , voltage , electron , quantum mechanics , thermodynamics

It is shown theoretically, that an antiferromagnetic dielectric with bi-axial anisotropy, such as NiO, can be used for the rectification of linearly-polarized AC spin current. The AC spin current excites two evanescent modes in the antiferromagnet, which, in turn, create DC spin current flowing back through the antiferromagnetic surface. Spin diode based on this effect can be used in future spintronic devices as direct detector of spin current in the millimeter- and submillimeter-wave bands. The sensitivity of such a spin diode is comparable to the sensitivity of modern electric Schottky diodes and lies in the range 102-103 V/W for 30×30 nm2 structure

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