Article Fermi surface and light quasi particles　in hourglass nodal chain metal β-ReO2

Daigorou Hirai ORCID (Department of Applied Physics, Nagoya University) ; Takahito Anbai (Institute for Solid State Physics,, University of Tokyo) ; Takako Konoike SAMURAI ORCID (Research Center for Materials Nanoarchitectonics (MANA), NIMSROR) ; Shinya Uji SAMURAI ORCID (Research Center for Materials Nanoarchitectonics (MANA), NIMSROR) ; Yuya Hattori SAMURAI ORCID (Research Center for Materials Nanoarchitectonics (MANA), NIMSROR) ; Taichi Terashima SAMURAI ORCID (Research Center for Materials Nanoarchitectonics (MANA), NIMSROR) ; Hajime Ishikawa ORCID (Institute for Solid State Physics, University of Tokyo) ; Koichi Kindo (Institute for Solid State Physics, University of Tokyo) ; Naoyuki Katayama ORCID (Department of Applied Physics, Nagoya University,) ; Tamio Oguchi ORCID (Graduate School of Engineering Science, Osaka University) ; Zenji Hiroi ORCID (Institute for Solid State Physics, University of Tokyo)

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Daigorou Hirai, Takahito Anbai, Takako Konoike, Shinya Uji, Yuya Hattori, Taichi Terashima, Hajime Ishikawa, Koichi Kindo, Naoyuki Katayama, Tamio Oguchi, Zenji Hiroi. Fermi surface and light quasi particles　in hourglass nodal chain metal β-ReO2. JOURNAL OF PHYSICS-CONDENSED MATTER. 2023, 35 (40), 405503. https://doi.org/10.1088/1361-648X/ace22c
SAMURAI

Alternative title: ノード鎖金属β-ReO2のフェルミ面と軽い準粒子

Description:

(abstract)

Quantum oscillations (QOs) in magnetic torque and electrical resistivity were measured to
investigate the electronic structure of β-ReO2, a candidate hourglass nodal chain (NC) metal
(Dirac loop chain metal). All the de Haas–van Alphen oscillation branches measured at 30 mK
in magnetic fields of up to 17.5 T were consistent with first-principles calculations predicting
four Fermi surfaces (FSs). The small-electron FS of the four FSs exhibited a very small
cyclotron mass, 0.059 times that of the free electrons, which is likely related to the linear
dispersion of the energy band. The consistency between the QO results and band calculations
indicates the presence of the hourglass NC predicted for β-ReO2 in the vicinity of the Fermi
energy.

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Keyword: Fermi surface, nodal chain metal, ReO2

Date published: 2023-10-09

Publisher: IOP Publishing

Journal:

  • JOURNAL OF PHYSICS-CONDENSED MATTER (ISSN: 09538984) vol. 35 issue. 40 p. 1-10 405503

Funding:

  • JSPS 22H01173 (ランダウ相転移理論に基づく磁気トルク結果解析手法の確立と応用)

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4874

First published URL: https://doi.org/10.1088/1361-648X/ace22c

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Updated at: 2024-10-21 12:30:40 +0900

Published on MDR: 2024-10-21 12:30:40 +0900

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