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Probing Charge Dens...
Probing Charge Density Wave Effects in 1T-TaS2 Monolayer/Ni81Fe19 Heterostructure: A Spin Dynamics Approach
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- Husain, Sajid (author)
- Uppsala universitet,Fasta tillståndets fysik,Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay, 91767 Palaiseau, France
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- Gupta, Rahul (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Kumar, P. (author)
- Department of Thin Films and Nanostructures, Institute of Physics of the Czech Academy of Sciences, Cukrovarnická 10/112, 162 00 Prague, Czech Republic
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- Behera, Nilamani (author)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Department of Physics, University of Gothenburg, 412 96 Gothenburg, Sweden
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- Brucas, Rimantas (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Chaudhary, S. (author)
- Thin Film Laboratory, Indian Institute of Technology Delhi, New Delhi 110016, India
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- Kumar, Ankit (author)
- Uppsala universitet,Institutionen för materialvetenskap
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- Svedlindh, Peter (author)
- Uppsala universitet,Fasta tillståndets fysik
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(creator_code:org_t)
- 2021-07-26
- 2021
- English.
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In: Acs Applied Electronic Materials. - : American Chemical Society (ACS). - 2637-6113. ; 3:8, s. 3321-3328
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Abstract
Subject headings
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- The transition metal dichalcogenide 1T-TaS2 is known to exhibit a number of collective electronic states known as charge density wave (CDW) instabilities. Intriguing phenomena such as a large damping-like spin-orbit torque (SOT) have been reported in monolayer 1T-TaS2 [Nano Lett. 2020, 20 (9), 6372-6380]. Probing of CDWs in monolayer thick 1T-TaS2 has been an inconceivable task. Here, the temperature-dependent spin dynamics and the effect of CDWs in the 1T-TaS2(monolayer)/Ni81Fe19 (Py) (7 nm) heterostructure are reported. Employing ferromagnetic resonance, the effect of the different commensurate (C) and nearly commensurate (NC) CDW states on the spin dynamics during heating and cooling cycles has been characterized by use of the effective damping constant and the spin mixing conductance of the heterostructure. In addition, these CCDW and NCCDW states, which affect the SOT efficiencies due to damping- and field-like SOTs, have been evaluated by using angle-dependent planar Hall effect measurements in controlled cooling and heating cycles. Our findings provide a fundamental understanding of the effect of different CDW states on the spin dynamics in twodimensional 1T-TaS2 monolayer interfaced Py.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- spin dynamics
- 1T-TaS2
- charge density waves
- spin-orbit torques
- planar
- Hall effect
- orbit torques
- temperature
- Engineering
- Materials Science
- Materials Chemistry
- Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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