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Chiral charge pumpi...
Chiral charge pumping in graphene deposited on a magnetic insulator
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- Evelt, M. (author)
- Westfaelische Wilhelms-Universität Münster,University of Münster
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- Ochoa, H. (author)
- University of California
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- Dzyapko, O. (author)
- Westfaelische Wilhelms-Universität Münster,University of Münster
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- Demidov, V. E. (author)
- Westfaelische Wilhelms-Universität Münster,University of Münster
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- Yurgens, Avgust, 1959 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Sun, Jie, 1977 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Tserkovnyak, Y. (author)
- University of California
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- Bessonov, V. (author)
- Russian Academy of Sciences
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- Rinkevich, A. B. (author)
- Russian Academy of Sciences
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- Demokritov, S. O. (author)
- Russian Academy of Sciences,Westfaelische Wilhelms-Universität Münster,University of Münster
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(creator_code:org_t)
- 2017
- 2017
- English.
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In: Physical Review B. - 2469-9969 .- 2469-9950. ; 95:2
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Abstract
Subject headings
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- We demonstrate experimentally that a sizable chiral charge pumping can be achieved at room temperature in graphene/yttrium iron garnet (YIG) bilayer systems. The effect, which cannot be attributed to the ordinary spin pumping, reveals itself in the creation of a dc electric field/voltage in graphene as a response to the dynamic magnetic excitations (spin waves) in an adjacent out-of-plane magnetized YIG film. We show that the induced voltage changes its sign when the orientation of the static magnetization is reversed, clearly indicating the broken mirror reflection symmetry about the planes normal to the graphene/YIG interface. The strength of effect shows a nonmonotonous dependence on the spin-wave frequency, in agreement with the proposed theoretical model.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- films
- ferromagnetic metal
- magnons
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Evelt, M.
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Ochoa, H.
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Dzyapko, O.
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Demidov, V. E.
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Yurgens, Avgust, ...
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Sun, Jie, 1977
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show more...
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Tserkovnyak, Y.
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Bessonov, V.
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Rinkevich, A. B.
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Demokritov, S. O ...
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Nano technology
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Physical Review ...
- By the university
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Chalmers University of Technology