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journal article·2020-07-01Open access

Multiple modes of a single spin torque oscillator under the non-linear region

Satoshi Sugimoto, Shuichi Iwakiri, Yusuke Kozuka, Yukiko Takahashi, Yasuhiro Niimi, Kensuke Kobayashi, Shinya Kasai

AIP Advances· Volume 10· Issue 7
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Source abstract

Abstract

A numerical investigation is conducted for a single spin-torque oscillator (STO) under the non-linear region. A large angle precession triggers the generation of multiple modes without any feedbacked circuits and/or magnetic couplings with neighboring oscillators. Our simulations show that a single eigenmode of a given STO can trigger up to six discrete modes as the sideband modes. These findings will offer the new functionality to the STO for developing the spintronic logic circuits.
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Research context

OpenAlex topics: Magnetic properties of thin films · Quantum and electron transport phenomena · Advanced Memory and Neural Computing

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Research Center for Magnetic and Spintronic Materials, National Institute for Materials Science (NIMS) 1 , 1-2-1 Sengen, Tsukuba 305-0047, Japan

Department of Physics, Graduate School of Science, Osaka University 2 , Osaka 560-0043, Japan

Center for Spintronics Research Network (CSRN), Graduate School of Engineering Science, Osaka University 3 , Osaka 560-8531, Japan

Institute for Physics of Intelligence (IPI) and Department of Physics, Graduate School of Science, The University of Tokyo 4 , Tokyo 113-0033, Japan

JST, PRESTO 5 , 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan

Funding

Japan Society for the Promotion of Science · Precursory Research for Embryonic Science and Technology

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