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Spin-orbit torque–d...
Spin-orbit torque–driven propagating spin waves
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- Fulara, Himanshu (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Univ Gothenburg, Dept Phys, S-41296 Gothenburg, Sweden.
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- Zahedinejad, Mohammad, 1986 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Univ Gothenburg, Dept Phys, S-41296 Gothenburg, Sweden.;NanOsc AB, Electrum 229, S-16440 Kista, Sweden.
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- Khymyn, Roman (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Univ Gothenburg, Dept Phys, S-41296 Gothenburg, Sweden.
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- Awad, Ahmad (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Univ Gothenburg, Dept Phys, S-41296 Gothenburg, Sweden.;NanOsc AB, Electrum 229, S-16440 Kista, Sweden.
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- Muralidhar, Shreyas (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Univ Gothenburg, Dept Phys, S-41296 Gothenburg, Sweden.
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- Dvornik, Mykola (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Univ Gothenburg, Dept Phys, S-41296 Gothenburg, Sweden.;NanOsc AB, Electrum 229, S-16440 Kista, Sweden.
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- Åkerman, Johan, 1970 (författare)
- KTH,Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Material- och nanofysik,Univ Gothenburg, Dept Phys, S-41296 Gothenburg, Sweden.;NanOsc AB, Electrum 229, S-16440 Kista, Sweden.
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(creator_code:org_t)
- American Association for the Advancement of Science (AAAS), 2019
- 2019
- Engelska.
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Ingår i: Science Advances. - : American Association for the Advancement of Science (AAAS). - 2375-2548. ; 5:9
- Relaterad länk:
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https://advances.sci...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Copyright © 2019 The Authors, Spin-orbit torque (SOT) can drive sustained spin wave (SW) auto-oscillations in a class of emerging microwave devices known as spin Hall nano-oscillators (SHNOs), which have highly nonlinear properties governing robust mutual synchronization at frequencies directly amenable to high-speed neuromorphic computing. However, all demonstrations have relied on localized SW modes interacting through dipolar coupling and/or direct exchange. As nanomagnonics requires propagating SWs for data transfer and additional computational functionality can be achieved using SW interference, SOT-driven propagating SWs would be highly advantageous. Here, we demonstrate how perpendicular magnetic anisotropy can raise the frequency of SOT-driven auto-oscillations in magnetic nanoconstrictions well above the SW gap, resulting in the efficient generation of field and current tunable propagating SWs. Our demonstration greatly extends the functionality and design freedom of SHNOs, enabling long-range SOT-driven SW propagation for nanomagnonics, SW logic, and neuromorphic computing, directly compatible with CMOS technology.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (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)
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