Emergence of the nematic electronic state in FeSe

Research output: Contribution to journalArticle

Standard

Emergence of the nematic electronic state in FeSe. / Watson, M. D.; Kim, T. K.; Haghighirad, A. A.; Davies, N. R.; Mccollam, A.; Narayanan, A.; Blake, S. F.; Chen, Y. L.; Ghannadzadeh, S.; Schofield, A. J.; Hoesch, M.; Meingast, C.; Wolf, T.; Coldea, A. I.

In: Physical Review B, Vol. 91, No. 15, 155106, 07.04.2015.

Research output: Contribution to journalArticle

Harvard

Watson, MD, Kim, TK, Haghighirad, AA, Davies, NR, Mccollam, A, Narayanan, A, Blake, SF, Chen, YL, Ghannadzadeh, S, Schofield, AJ, Hoesch, M, Meingast, C, Wolf, T & Coldea, AI 2015, 'Emergence of the nematic electronic state in FeSe', Physical Review B, vol. 91, no. 15, 155106. https://doi.org/10.1103/PhysRevB.91.155106

APA

Watson, M. D., Kim, T. K., Haghighirad, A. A., Davies, N. R., Mccollam, A., Narayanan, A., ... Coldea, A. I. (2015). Emergence of the nematic electronic state in FeSe. Physical Review B, 91(15), [155106]. https://doi.org/10.1103/PhysRevB.91.155106

Vancouver

Watson MD, Kim TK, Haghighirad AA, Davies NR, Mccollam A, Narayanan A et al. Emergence of the nematic electronic state in FeSe. Physical Review B. 2015 Apr 7;91(15). 155106. https://doi.org/10.1103/PhysRevB.91.155106

Author

Watson, M. D. ; Kim, T. K. ; Haghighirad, A. A. ; Davies, N. R. ; Mccollam, A. ; Narayanan, A. ; Blake, S. F. ; Chen, Y. L. ; Ghannadzadeh, S. ; Schofield, A. J. ; Hoesch, M. ; Meingast, C. ; Wolf, T. ; Coldea, A. I. / Emergence of the nematic electronic state in FeSe. In: Physical Review B. 2015 ; Vol. 91, No. 15.

Bibtex

@article{527f4438642445d7b3eb196f8e200142,
title = "Emergence of the nematic electronic state in FeSe",
abstract = "We present a comprehensive study of the evolution of the nematic electronic structure of FeSe using high-resolution angle-resolved photoemission spectroscopy (ARPES), quantum oscillations in the normal state, and elastoresistance measurements. Our high-resolution ARPES allows us to track the Fermi surface deformation from fourfold to twofold symmetry across the structural transition at about 87K, which is stabilized as a result of the dramatic splitting of bands associated with dxz and dyz character in the presence of strong electronic interactions. The low-temperature Fermi surface is that of a compensated metal consisting of one hole and two electron bands and is fully determined by combining the knowledge from ARPES and quantum oscillations. A manifestation of the nematic state is the significant increase in the nematic susceptibility approaching the structural transition that we detect from our elastoresistance measurements on FeSe. The dramatic changes in electronic structure cannot be explained by the small lattice distortion and, in the absence of magnetic fluctuations above the structural transition, point clearly towards an electronically driven transition in FeSe, stabilized by orbital-charge ordering.",
author = "Watson, {M. D.} and Kim, {T. K.} and Haghighirad, {A. A.} and Davies, {N. R.} and A. Mccollam and A. Narayanan and Blake, {S. F.} and Chen, {Y. L.} and S. Ghannadzadeh and Schofield, {A. J.} and M. Hoesch and C. Meingast and T. Wolf and Coldea, {A. I.}",
year = "2015",
month = "4",
day = "7",
doi = "10.1103/PhysRevB.91.155106",
language = "English",
volume = "91",
journal = "Physical Review B",
issn = "1098-0121",
publisher = "American Physical Society (APS)",
number = "15",

}

RIS

TY - JOUR

T1 - Emergence of the nematic electronic state in FeSe

AU - Watson, M. D.

AU - Kim, T. K.

AU - Haghighirad, A. A.

AU - Davies, N. R.

AU - Mccollam, A.

AU - Narayanan, A.

AU - Blake, S. F.

AU - Chen, Y. L.

AU - Ghannadzadeh, S.

AU - Schofield, A. J.

AU - Hoesch, M.

AU - Meingast, C.

AU - Wolf, T.

AU - Coldea, A. I.

PY - 2015/4/7

Y1 - 2015/4/7

N2 - We present a comprehensive study of the evolution of the nematic electronic structure of FeSe using high-resolution angle-resolved photoemission spectroscopy (ARPES), quantum oscillations in the normal state, and elastoresistance measurements. Our high-resolution ARPES allows us to track the Fermi surface deformation from fourfold to twofold symmetry across the structural transition at about 87K, which is stabilized as a result of the dramatic splitting of bands associated with dxz and dyz character in the presence of strong electronic interactions. The low-temperature Fermi surface is that of a compensated metal consisting of one hole and two electron bands and is fully determined by combining the knowledge from ARPES and quantum oscillations. A manifestation of the nematic state is the significant increase in the nematic susceptibility approaching the structural transition that we detect from our elastoresistance measurements on FeSe. The dramatic changes in electronic structure cannot be explained by the small lattice distortion and, in the absence of magnetic fluctuations above the structural transition, point clearly towards an electronically driven transition in FeSe, stabilized by orbital-charge ordering.

AB - We present a comprehensive study of the evolution of the nematic electronic structure of FeSe using high-resolution angle-resolved photoemission spectroscopy (ARPES), quantum oscillations in the normal state, and elastoresistance measurements. Our high-resolution ARPES allows us to track the Fermi surface deformation from fourfold to twofold symmetry across the structural transition at about 87K, which is stabilized as a result of the dramatic splitting of bands associated with dxz and dyz character in the presence of strong electronic interactions. The low-temperature Fermi surface is that of a compensated metal consisting of one hole and two electron bands and is fully determined by combining the knowledge from ARPES and quantum oscillations. A manifestation of the nematic state is the significant increase in the nematic susceptibility approaching the structural transition that we detect from our elastoresistance measurements on FeSe. The dramatic changes in electronic structure cannot be explained by the small lattice distortion and, in the absence of magnetic fluctuations above the structural transition, point clearly towards an electronically driven transition in FeSe, stabilized by orbital-charge ordering.

U2 - 10.1103/PhysRevB.91.155106

DO - 10.1103/PhysRevB.91.155106

M3 - Article

VL - 91

JO - Physical Review B

JF - Physical Review B

SN - 1098-0121

IS - 15

M1 - 155106

ER -