Spin torque transistor revisited

Takahiro Chiba, Gerrit E.W. Bauer, Saburo Takahashi

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

We theoretically study the operation of a 4-terminal device consisting of two lateral thin-film spin valves that are coupled by a magnetic insulator such as yttrium iron garnet via the spin transfer torque. By magnetoelectronic circuit theory we calculate the current voltage characteristics and find negative differential resistance and differential gain in a large region of parameter space. We demonstrate that functionality is preserved when the control spin valve is replaced by a normal metal film with a large spin Hall angle.

Original languageEnglish
Article number192412
JournalApplied Physics Letters
Volume102
Issue number19
DOIs
Publication statusPublished - 2013 May 13

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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