Current-induced synchronized switching of magnetization

Soo Man Seo, Kyoung Jin Lee

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

We investigate current-induced magnetization switching for a multilayer structure that allows a reduced switching current while maintaining high thermal stability of the magnetization. The structure consists of a perpendicular polarizer, a perpendicular free-layer, and an additional free-layer having in-plane magnetization. When the current runs perpendicular to the structure, the in-plane free-layer undergoes a precession and supplies an internal rf field to the perpendicular free-layer, resulting in a reduced switching current for one current polarity. For the other polarity, the in-plane free-layer almost saturates perpendicular to the plane and acts as another perpendicular polarizer, which also reduces the switching current.

Original languageEnglish
Article number062408
JournalApplied Physics Letters
Volume101
Issue number6
DOIs
Publication statusPublished - 2012 Aug 6

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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