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Spin Current Generation Using a Surface Acoustic Wave Generated via Spin-Rotation Coupling.
Kobayashi, D; Yoshikawa, T; Matsuo, M; Iguchi, R; Maekawa, S; Saitoh, E; Nozaki, Y.
Affiliation
  • Kobayashi D; Department of Physics, Keio University, Yokohama 223-8522, Japan.
  • Yoshikawa T; Department of Physics, Keio University, Yokohama 223-8522, Japan.
  • Matsuo M; Advanced Science Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan.
  • Iguchi R; Advanced Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan.
  • Maekawa S; National Institute for Materials Science, Tsukuba 305-0047, Japan.
  • Saitoh E; Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan.
  • Nozaki Y; Advanced Science Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan.
Phys Rev Lett ; 119(7): 077202, 2017 Aug 18.
Article in En | MEDLINE | ID: mdl-28949686
ABSTRACT
We demonstrate the generation of alternating spin current (SC) via spin-rotation coupling (SRC) using a surface acoustic wave (SAW) in a Cu film. Ferromagnetic resonance caused by injecting SAWs was observed in a Ni-Fe film attached to a Cu film, with the resonance further found to be suppressed through the insertion of a SiO_{2} film into the interface. The intensity of the resonance depended on the angle between the wave vector of the SAW and the magnetization of the Ni-Fe film. This angular dependence is explicable in terms of the presence of spin transfer torque from a SC generated via SRC.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2017 Document type: Article Affiliation country: Japan
Fulltext
Add to My VHL
Print
XML
PubMed Links
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2017 Document type: Article Affiliation country: Japan