Anomalous Fermi surface in FeSe seen by Shubnikov-de Haas oscillation measurements

Taichi Terashima; Naoki Kikugawa; Andhika Kiswandhi; Eun Sang Choi; James S. Brooks; Shigeru Kasahara; Tatsuya Watashige; Hiroaki Ikeda; Takasada Shibauchi; Yuji Matsuda; Thomas Wolf; Anna E. Böhmer; Frédéric Hardy; Christoph Meingast; Hilbert V. Löhneysen; Michi To Suzuki; Ryotaro Arita; Shinya Uji

doi:10.1103/PhysRevB.90.144517

Anomalous Fermi surface in FeSe seen by Shubnikov-de Haas oscillation measurements

Taichi Terashima, Naoki Kikugawa, Andhika Kiswandhi, Eun Sang Choi, James S. Brooks, Shigeru Kasahara, Tatsuya Watashige, Hiroaki Ikeda, Takasada Shibauchi, Yuji Matsuda, Thomas Wolf, Anna E. Böhmer, Frédéric Hardy, Christoph Meingast, Hilbert V. Löhneysen, Michi To Suzuki, Ryotaro Arita, Shinya Uji

IMR - Materials Design Division

Research output: Contribution to journal › Article › peer-review

153 Citations (Scopus)

Abstract

We have observed Shubnikov-de Haas oscillations in FeSe. The Fermi surface deviates significantly from predictions of band-structure calculations and most likely consists of one electron and one hole thin cylinder. The carrier density is in the order of 0.01 carriers/Fe, an order of magnitude smaller than predicted. Effective Fermi energies as small as 3.6 meV are estimated. These findings call for elaborate theoretical investigations incorporating both electronic correlations and orbital ordering.

Original language	English
Article number	144517
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	90
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevB.90.144517
Publication status	Published - 2014 Oct 29

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Terashima, T., Kikugawa, N., Kiswandhi, A., Choi, E. S., Brooks, J. S., Kasahara, S., Watashige, T., Ikeda, H., Shibauchi, T., Matsuda, Y., Wolf, T., Böhmer, A. E., Hardy, F., Meingast, C., Löhneysen, H. V., Suzuki, M. T., Arita, R., & Uji, S. (2014). Anomalous Fermi surface in FeSe seen by Shubnikov-de Haas oscillation measurements. Physical Review B - Condensed Matter and Materials Physics, 90(14), Article 144517. https://doi.org/10.1103/PhysRevB.90.144517

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title = "Anomalous Fermi surface in FeSe seen by Shubnikov-de Haas oscillation measurements",

abstract = "We have observed Shubnikov-de Haas oscillations in FeSe. The Fermi surface deviates significantly from predictions of band-structure calculations and most likely consists of one electron and one hole thin cylinder. The carrier density is in the order of 0.01 carriers/Fe, an order of magnitude smaller than predicted. Effective Fermi energies as small as 3.6 meV are estimated. These findings call for elaborate theoretical investigations incorporating both electronic correlations and orbital ordering.",

author = "Taichi Terashima and Naoki Kikugawa and Andhika Kiswandhi and Choi, {Eun Sang} and Brooks, {James S.} and Shigeru Kasahara and Tatsuya Watashige and Hiroaki Ikeda and Takasada Shibauchi and Yuji Matsuda and Thomas Wolf and B{\"o}hmer, {Anna E.} and Fr{\'e}d{\'e}ric Hardy and Christoph Meingast and L{\"o}hneysen, {Hilbert V.} and Suzuki, {Michi To} and Ryotaro Arita and Shinya Uji",

note = "Publisher Copyright: {\textcopyright} 2014 American Physical Society.",

year = "2014",

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doi = "10.1103/PhysRevB.90.144517",

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Terashima, T, Kikugawa, N, Kiswandhi, A, Choi, ES, Brooks, JS, Kasahara, S, Watashige, T, Ikeda, H, Shibauchi, T, Matsuda, Y, Wolf, T, Böhmer, AE, Hardy, F, Meingast, C, Löhneysen, HV, Suzuki, MT, Arita, R & Uji, S 2014, 'Anomalous Fermi surface in FeSe seen by Shubnikov-de Haas oscillation measurements', Physical Review B - Condensed Matter and Materials Physics, vol. 90, no. 14, 144517. https://doi.org/10.1103/PhysRevB.90.144517

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T1 - Anomalous Fermi surface in FeSe seen by Shubnikov-de Haas oscillation measurements

AU - Terashima, Taichi

AU - Kikugawa, Naoki

AU - Kiswandhi, Andhika

AU - Choi, Eun Sang

AU - Brooks, James S.

AU - Kasahara, Shigeru

AU - Watashige, Tatsuya

AU - Ikeda, Hiroaki

AU - Shibauchi, Takasada

AU - Matsuda, Yuji

AU - Wolf, Thomas

AU - Böhmer, Anna E.

AU - Hardy, Frédéric

AU - Meingast, Christoph

AU - Löhneysen, Hilbert V.

AU - Suzuki, Michi To

AU - Arita, Ryotaro

AU - Uji, Shinya

PY - 2014/10/29

Y1 - 2014/10/29

N2 - We have observed Shubnikov-de Haas oscillations in FeSe. The Fermi surface deviates significantly from predictions of band-structure calculations and most likely consists of one electron and one hole thin cylinder. The carrier density is in the order of 0.01 carriers/Fe, an order of magnitude smaller than predicted. Effective Fermi energies as small as 3.6 meV are estimated. These findings call for elaborate theoretical investigations incorporating both electronic correlations and orbital ordering.

AB - We have observed Shubnikov-de Haas oscillations in FeSe. The Fermi surface deviates significantly from predictions of band-structure calculations and most likely consists of one electron and one hole thin cylinder. The carrier density is in the order of 0.01 carriers/Fe, an order of magnitude smaller than predicted. Effective Fermi energies as small as 3.6 meV are estimated. These findings call for elaborate theoretical investigations incorporating both electronic correlations and orbital ordering.

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Anomalous Fermi surface in FeSe seen by Shubnikov-de Haas oscillation measurements

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