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Large Damping-Like ...
Large Damping-Like Spin–Orbit Torque in a 2D Conductive 1T-TaS2 Monolayer
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- Husain, Sajid (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Chen, Xin, 1992- (author)
- Uppsala universitet,Materialteori
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- Gupta, Rahul (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Behera, Nilamani (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Kumar, Prabhat (author)
- Czech Acad Sci, Dept Thin Films & Nanostruct, Inst Phys, Prague, Czech Republic
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- Edvinsson, Tomas, Professor, 1970- (author)
- Uppsala universitet,Fasta tillståndets fysik
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- F. García-Sánchez, F. (author)
- Univ Salamanca, Dept Fis Aplicada, Salamanca, Spain
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- Brucas, Rimantas (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Chaudhary, Sujeet (author)
- Indian Inst Technol Delhi, Dept Phys, Thin Film Lab, New Delhi, India
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- Sanyal, Biplab (author)
- Uppsala universitet,Materialteori
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- Svedlindh, Peter (contributor)
- Uppsala universitet,Fasta tillståndets fysik
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- Kumar, Ankit (contributor)
- Uppsala universitet,Fasta tillståndets fysik
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(creator_code:org_t)
- 2020-08-05
- 2020
- English.
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In: Nano letters (Print). - : American Chemical Society (ACS). - 1530-6984 .- 1530-6992. ; 20:9, s. 6372-6380
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Abstract
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- A damping-like spin-orbit torque (SOT) is a prerequisite for ultralow-power spin logic devices. Here, we report on the damping-like SOT in just one monolayer of the conducting transition-metal dichalcogenide (TMD) TaS2 interfaced with a NiFe (Py) ferromagnetic layer. The charge-spin conversion efficiency is found to be 0.25 +/- 0.03 in TaS2(0.88)/Py(7), and the spin Hall conductivity (14.9 x 10(s) h/2e Omega(-1) m(-1) is found to be superior to values reported for other TMDs. We also observed sizable field-like torque in this heterostructure. The origin of this large damping-like SOT can be found in the interfacial properties of the TaS2/Py heterostructure, and the experimental findings are complemented by the results from density functional theory calculations. It is envisioned that the interplay between interfacial spinorbit coupling and crystal symmetry yielding large damping-like SOT. The dominance of damping-like torque demonstrated in our study provides a promising path for designing the next-generation conducting TMD-based low-powered quantum memory devices.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Transition-metal dichalcogenide
- Damping-like torque
- Spin-torque ferromagnetic resonance
- Planar Hall effect
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Husain, Sajid
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Chen, Xin, 1992-
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Gupta, Rahul
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Behera, Nilamani
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Kumar, Prabhat
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Edvinsson, Tomas ...
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show more...
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F. García-Sánche ...
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Brucas, Rimantas
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Chaudhary, Sujee ...
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Sanyal, Biplab
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Svedlindh, Peter
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Kumar, Ankit
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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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and Condensed Matter ...
- Articles in the publication
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Nano letters (Pr ...
- By the university
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Uppsala University