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Anomalous thermal effect in ZrTe5 observed via photothermal measurements

Tsuneto, Makoto (författare)
Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA
Jing, Ran (författare)
Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA; Condensed Matter Physics and Materials Science Department, Brookhaven National Lab, Upton, New York 11973, USA
Chen, Xinzhong (författare)
Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA
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Kaushik, Sahal, 1996- (författare)
Stockholms universitet,Nordiska institutet för teoretisk fysik (Nordita),Stony Brook University, USA
Yao, Juntao (författare)
Condensed Matter Physics and Materials Science Department, Brookhaven National Lab, Upton, New York 11973, USA; Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794-3800, USA
Kharzeev, Dmitri E. (författare)
Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA; Department of Physics, Brook Haven National Laboratory, Upton, New York 11973-5000, USA; RIKEN-BNL Research Center, Brook Haven National Laboratory, Upton, New York 11973-5000, USA
Du, Xu (författare)
Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA
Li, Qiang (författare)
Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA; Condensed Matter Physics and Materials Science Department, Brookhaven National Lab, Upton, New York 11973, USA
Liu, Mengkun (författare)
Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA; National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York, USA
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 (creator_code:org_t)
American Physical Society (APS), 2024
2024
Engelska.
Ingår i: Physical Review Applied. - : American Physical Society (APS). - 2331-7019. ; 21:3
Relaterad länk:
https://urn.kb.se/re...
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https://doi.org/10.1...
https://urn.kb.se/re...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • In this study, we explore the magnetothermoelectric power (MTP) of ZrTe5, a canonical Dirac semimetal, through a photothermal technique. Unlike conventional thermoelectric studies that rely on on-chip heaters and are limited by fabrication processes, especially for stress-sensitive materials, our approach utilizes photothermal effects to induce temperature gradients. Our experiments, applying a magnetic field approximately parallel and transverse to the photocurrent detection direction, reveal that the photothermal method efficiently and reliably extracts both diagonal and off-diagonal components of the thermoelectric coefficient of ZrTe5. We observe that the longitudinal MTP reproduces features previously reported in thermal transport studies, while the photoinduced transverse MTP confirms the anomalous Nernst effect. This photothermal measurement technique opens avenues for investigating transport properties in a wide range of quantum materials, in both three-dimensional and two-dimensional systems.

Ämnesord

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

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