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Large out-of-plane ...
Large out-of-plane spin-orbit torque in topological Weyl semimetal TaIrTe4
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- Bainsla, Lakhan (författare)
- Chalmers Univ Technol, Dept Microtechnol & Nanosci, SE-41296 Gothenburg, Sweden.;Indian Inst Technol Ropar, Dept Phys, Rupnagar 140001, Punjab, India.
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- Zhao, Bing (författare)
- Chalmers Univ Technol, Dept Microtechnol & Nanosci, SE-41296 Gothenburg, Sweden.
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- Behera, Nilamani (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Univ Gothenburg, Dept Phys, SE-41296 Gothenburg, Sweden.
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- Hoque, Anamul Md. (författare)
- Chalmers Univ Technol, Dept Microtechnol & Nanosci, SE-41296 Gothenburg, Sweden.
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- Sjostrom, Lars (författare)
- Chalmers Univ Technol, Dept Microtechnol & Nanosci, SE-41296 Gothenburg, Sweden.
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- Martinelli, Anna (författare)
- Chalmers Univ Technol, Dept Chem & Chem Engn, S-41296 Gothenburg, Sweden.
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- Abdel-Hafiez, Mahmoud (författare)
- Uppsala universitet,Energimaterialens fysik,Univ Sharjah, Dept Appl Phys & Astron, POB 27272, Sharjah, U Arab Emirates.
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- Åkerman, Johan, 1970 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Univ Gothenburg, Dept Phys, SE-41296 Gothenburg, Sweden.;Tohoku Univ, Ctr Sci & Innovat Spintron, 2-1-1 Katahira, Aoba Ku, Sendai 9808577, Japan.;Tohoku Univ, Res Inst Elect Commun, 2-1-1 Katahira, Aoba Ku, Sendai 9808577, Japan.
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- Dash, Saroj P. (författare)
- Chalmers Univ Technol, Dept Microtechnol & Nanosci, SE-41296 Gothenburg, Sweden.;Chalmers Univ Technol, Dept Microtechnol & Nanosci, Wallenberg Initiat Mat Sci Sustainabil, SE-41296 Gothenburg, Sweden.;Chalmers Univ Technol, Graphene Ctr, SE-41296 Gothenburg, Sweden.
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Chalmers Univ Technol, Dept Microtechnol & Nanosci, SE-41296 Gothenburg, Sweden;Indian Inst Technol Ropar, Dept Phys, Rupnagar 140001, Punjab, India. Chalmers Univ Technol, Dept Microtechnol & Nanosci, SE-41296 Gothenburg, Sweden. (creator_code:org_t)
- Springer Nature, 2024
- 2024
- Engelska.
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Ingår i: NATURE COMMUNICATIONS. - : Springer Nature. - 2041-1723. ; 15:1
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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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
- The unique electronic properties of topological quantum materials, such as protected surface states and exotic quasiparticles, can provide an out-of-plane spin-polarized current needed for external field-free magnetization switching of magnets with perpendicular magnetic anisotropy. Conventional spin-orbit torque (SOT) materials provide only an in-plane spin-polarized current, and recently explored materials with lower crystal symmetries provide very low out-of-plane spin-polarized current components, which are not suitable for energy-efficient SOT applications. Here, we demonstrate a large out-of-plane damping-like SOT at room temperature using the topological Weyl semimetal candidate TaIrTe4 with a lower crystal symmetry. We performed spin-torque ferromagnetic resonance (STFMR) and second harmonic Hall measurements on devices based on TaIrTe4/Ni80Fe20 heterostructures and observed a large out-of-plane damping-like SOT efficiency. The out-of-plane spin Hall conductivity is estimated to be (4.05 +/- 0.23)x10(4) ((h) over bar /2e) (Omega m)(-1), which is an order of magnitude higher than the reported values in other materials.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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Bainsla, Lakhan
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Zhao, Bing
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Behera, Nilamani
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Hoque, Anamul Md ...
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Sjostrom, Lars
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Martinelli, Anna
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Abdel-Hafiez, Ma ...
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Åkerman, Johan, ...
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Dash, Saroj P.
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