Three-dimensional electronic structure of the nematic and antiferromagnetic phases of NaFeAs from detwinned angle-resolved photoemission spectroscopy. / Watson, Matthew D.; Aswartham, Saicharan ; Rhodes, Luke; Parrett, Benjamin; Iwasawa, Hideaki ; Hoesch, Moritz ; Morozov, Igor ; Büchner, Bernd ; Kim, Timur .

In: Physical Review B, Vol. 97, No. 3, 035134, 16.01.2018, p. 1-11.

Research output: Contribution to journalArticlepeer-review

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Three-dimensional electronic structure of the nematic and antiferromagnetic phases of NaFeAs from detwinned angle-resolved photoemission spectroscopy. / Watson, Matthew D.; Aswartham, Saicharan ; Rhodes, Luke; Parrett, Benjamin; Iwasawa, Hideaki ; Hoesch, Moritz ; Morozov, Igor ; Büchner, Bernd ; Kim, Timur .

In: Physical Review B, Vol. 97, No. 3, 035134, 16.01.2018, p. 1-11.

Research output: Contribution to journalArticlepeer-review

Harvard

Watson, MD, Aswartham, S, Rhodes, L, Parrett, B, Iwasawa, H, Hoesch, M, Morozov, I, Büchner, B & Kim, T 2018, 'Three-dimensional electronic structure of the nematic and antiferromagnetic phases of NaFeAs from detwinned angle-resolved photoemission spectroscopy', Physical Review B, vol. 97, no. 3, 035134, pp. 1-11. https://doi.org/10.1103/PhysRevB.97.035134

APA

Watson, M. D., Aswartham, S., Rhodes, L., Parrett, B., Iwasawa, H., Hoesch, M., Morozov, I., Büchner, B., & Kim, T. (2018). Three-dimensional electronic structure of the nematic and antiferromagnetic phases of NaFeAs from detwinned angle-resolved photoemission spectroscopy. Physical Review B, 97(3), 1-11. [035134]. https://doi.org/10.1103/PhysRevB.97.035134

Vancouver

Author

Watson, Matthew D. ; Aswartham, Saicharan ; Rhodes, Luke ; Parrett, Benjamin ; Iwasawa, Hideaki ; Hoesch, Moritz ; Morozov, Igor ; Büchner, Bernd ; Kim, Timur . / Three-dimensional electronic structure of the nematic and antiferromagnetic phases of NaFeAs from detwinned angle-resolved photoemission spectroscopy. In: Physical Review B. 2018 ; Vol. 97, No. 3. pp. 1-11.

BibTeX

@article{d6b87a609a34494589330ec2476dc7aa,
title = "Three-dimensional electronic structure of the nematic and antiferromagnetic phases of NaFeAs from detwinned angle-resolved photoemission spectroscopy",
abstract = "We report a comprehensive angle-resolved photoemission spectroscopy study of NaFeAs, a prototypical parent compound of the Fe-based superconductors. By mechanically detwinning the samples, we show that in the nematic phase (below the structural transition at Ts = 54 K but above the antiferromagnetic transition at TN = 43 K) spectral weight is detected on only the elliptical electron pocket along the longer aorth axis. This dramatic anisotropy is likely to arise as a result of coupling to a fluctuating antiferromagnetic order in the nematic phase. In the long-range ordered antiferromagnetic state below TN, this single electron pocket is backfolded and hybridizes with the hole bands, leading to the reconstructed Fermi surface. By careful analysis of the kz variation, we show that the backfolding of spectral weight in the magnetic phase has a wave vector of (π,0,π), with the c-axis component being in agreement with the magnetic ordering in NaFeAs observed by neutron scattering. Our results clarify the origin of the tiny Fermi surfaces of NaFeAs at low temperatures and highlight the importance of the three-dimensional aspects of the electronic and magnetic properties of Fe-based superconductors.",
author = "Watson, {Matthew D.} and Saicharan Aswartham and Luke Rhodes and Benjamin Parrett and Hideaki Iwasawa and Moritz Hoesch and Igor Morozov and Bernd B{\"u}chner and Timur Kim",
year = "2018",
month = jan,
day = "16",
doi = "10.1103/PhysRevB.97.035134",
language = "English",
volume = "97",
pages = "1--11",
journal = "Physical Review B",
issn = "1098-0121",
publisher = "American Physical Society",
number = "3",

}

RIS

TY - JOUR

T1 - Three-dimensional electronic structure of the nematic and antiferromagnetic phases of NaFeAs from detwinned angle-resolved photoemission spectroscopy

AU - Watson, Matthew D.

AU - Aswartham, Saicharan

AU - Rhodes, Luke

AU - Parrett, Benjamin

AU - Iwasawa, Hideaki

AU - Hoesch, Moritz

AU - Morozov, Igor

AU - Büchner, Bernd

AU - Kim, Timur

PY - 2018/1/16

Y1 - 2018/1/16

N2 - We report a comprehensive angle-resolved photoemission spectroscopy study of NaFeAs, a prototypical parent compound of the Fe-based superconductors. By mechanically detwinning the samples, we show that in the nematic phase (below the structural transition at Ts = 54 K but above the antiferromagnetic transition at TN = 43 K) spectral weight is detected on only the elliptical electron pocket along the longer aorth axis. This dramatic anisotropy is likely to arise as a result of coupling to a fluctuating antiferromagnetic order in the nematic phase. In the long-range ordered antiferromagnetic state below TN, this single electron pocket is backfolded and hybridizes with the hole bands, leading to the reconstructed Fermi surface. By careful analysis of the kz variation, we show that the backfolding of spectral weight in the magnetic phase has a wave vector of (π,0,π), with the c-axis component being in agreement with the magnetic ordering in NaFeAs observed by neutron scattering. Our results clarify the origin of the tiny Fermi surfaces of NaFeAs at low temperatures and highlight the importance of the three-dimensional aspects of the electronic and magnetic properties of Fe-based superconductors.

AB - We report a comprehensive angle-resolved photoemission spectroscopy study of NaFeAs, a prototypical parent compound of the Fe-based superconductors. By mechanically detwinning the samples, we show that in the nematic phase (below the structural transition at Ts = 54 K but above the antiferromagnetic transition at TN = 43 K) spectral weight is detected on only the elliptical electron pocket along the longer aorth axis. This dramatic anisotropy is likely to arise as a result of coupling to a fluctuating antiferromagnetic order in the nematic phase. In the long-range ordered antiferromagnetic state below TN, this single electron pocket is backfolded and hybridizes with the hole bands, leading to the reconstructed Fermi surface. By careful analysis of the kz variation, we show that the backfolding of spectral weight in the magnetic phase has a wave vector of (π,0,π), with the c-axis component being in agreement with the magnetic ordering in NaFeAs observed by neutron scattering. Our results clarify the origin of the tiny Fermi surfaces of NaFeAs at low temperatures and highlight the importance of the three-dimensional aspects of the electronic and magnetic properties of Fe-based superconductors.

U2 - 10.1103/PhysRevB.97.035134

DO - 10.1103/PhysRevB.97.035134

M3 - Article

VL - 97

SP - 1

EP - 11

JO - Physical Review B

JF - Physical Review B

SN - 1098-0121

IS - 3

M1 - 035134

ER -