Xu, N., Matt, C. E., Richard, P., Van Roekeghem, A., Biermann, S., Shi, X., Wu, S. F., Liu, H. W., Chen, D., Qian, T., Plumb, N. C., Radović, M., Wang, H., Mao, Q., Du, J., Fang, M., Mesot, J., Ding, H., & Shi, M. (2015). Camelback-shaped band reconciles heavy-electron behavior with weak electronic Coulomb correlations in superconducting TlNi2 Se2. Physical Review B - Condensed Matter and Materials Physics, 92(8), 文章 081116. https://doi.org/10.1103/PhysRevB.92.081116
Xu, N. ; Matt, C. E. ; Richard, P. 等. / Camelback-shaped band reconciles heavy-electron behavior with weak electronic Coulomb correlations in superconducting TlNi2 Se2. 在: Physical Review B - Condensed Matter and Materials Physics. 2015 ; 卷 92, 号码 8.
@article{f8ef4f31327c450f9cc0597e7150d915,
title = "Camelback-shaped band reconciles heavy-electron behavior with weak electronic Coulomb correlations in superconducting TlNi2 Se2",
abstract = "Combining photoemission spectroscopy, Raman spectroscopy, and first-principles calculations, we characterize superconducting TlNi2Se2 as a material with weak electronic Coulomb correlations leading to a bandwidth renormalization of 1.4. We identify a camelback-shaped band, whose energetic position strongly depends on the selenium height. While this feature is universal in transition metal pnictides, in TlNi2Se2 it lies in the immediate vicinity of the Fermi level, giving rise to a pronounced van Hove singularity. The resulting heavy band mass resolves the apparent puzzle of a large normal-state Sommerfeld coefficient [H. Wang, Phys. Rev. Lett 111, 207001 (2013)PRLTAO0031-900710.1103/PhysRevLett.111.207001] in this weakly correlated compound.",
author = "N. Xu and Matt, {C. E.} and P. Richard and {Van Roekeghem}, A. and S. Biermann and X. Shi and Wu, {S. F.} and Liu, {H. W.} and D. Chen and T. Qian and Plumb, {N. C.} and M. Radovi{\'c} and Hangdong Wang and Qianhui Mao and Jianhua Du and Minghu Fang and J. Mesot and H. Ding and M. Shi",
note = "Publisher Copyright: {\textcopyright} 2015 American Physical Society.",
year = "2015",
month = aug,
day = "24",
doi = "10.1103/PhysRevB.92.081116",
language = "English",
volume = "92",
journal = "Physical Review B - Condensed Matter and Materials Physics",
issn = "1098-0121",
publisher = "American Physical Society",
number = "8",
}
Xu, N, Matt, CE, Richard, P, Van Roekeghem, A, Biermann, S, Shi, X, Wu, SF, Liu, HW, Chen, D, Qian, T, Plumb, NC, Radović, M, Wang, H, Mao, Q, Du, J, Fang, M, Mesot, J, Ding, H & Shi, M 2015, 'Camelback-shaped band reconciles heavy-electron behavior with weak electronic Coulomb correlations in superconducting TlNi2 Se2', Physical Review B - Condensed Matter and Materials Physics, 卷 92, 号码 8, 081116. https://doi.org/10.1103/PhysRevB.92.081116
Camelback-shaped band reconciles heavy-electron behavior with weak electronic Coulomb correlations in superconducting TlNi2 Se2. / Xu, N.; Matt, C. E.; Richard, P. 等.
在:
Physical Review B - Condensed Matter and Materials Physics, 卷 92, 号码 8, 081116, 24.08.2015.
科研成果: 期刊稿件 › 文章 › 同行评审
TY - JOUR
T1 - Camelback-shaped band reconciles heavy-electron behavior with weak electronic Coulomb correlations in superconducting TlNi2 Se2
AU - Xu, N.
AU - Matt, C. E.
AU - Richard, P.
AU - Van Roekeghem, A.
AU - Biermann, S.
AU - Shi, X.
AU - Wu, S. F.
AU - Liu, H. W.
AU - Chen, D.
AU - Qian, T.
AU - Plumb, N. C.
AU - Radović, M.
AU - Wang, Hangdong
AU - Mao, Qianhui
AU - Du, Jianhua
AU - Fang, Minghu
AU - Mesot, J.
AU - Ding, H.
AU - Shi, M.
N1 - Publisher Copyright:
© 2015 American Physical Society.
PY - 2015/8/24
Y1 - 2015/8/24
N2 - Combining photoemission spectroscopy, Raman spectroscopy, and first-principles calculations, we characterize superconducting TlNi2Se2 as a material with weak electronic Coulomb correlations leading to a bandwidth renormalization of 1.4. We identify a camelback-shaped band, whose energetic position strongly depends on the selenium height. While this feature is universal in transition metal pnictides, in TlNi2Se2 it lies in the immediate vicinity of the Fermi level, giving rise to a pronounced van Hove singularity. The resulting heavy band mass resolves the apparent puzzle of a large normal-state Sommerfeld coefficient [H. Wang, Phys. Rev. Lett 111, 207001 (2013)PRLTAO0031-900710.1103/PhysRevLett.111.207001] in this weakly correlated compound.
AB - Combining photoemission spectroscopy, Raman spectroscopy, and first-principles calculations, we characterize superconducting TlNi2Se2 as a material with weak electronic Coulomb correlations leading to a bandwidth renormalization of 1.4. We identify a camelback-shaped band, whose energetic position strongly depends on the selenium height. While this feature is universal in transition metal pnictides, in TlNi2Se2 it lies in the immediate vicinity of the Fermi level, giving rise to a pronounced van Hove singularity. The resulting heavy band mass resolves the apparent puzzle of a large normal-state Sommerfeld coefficient [H. Wang, Phys. Rev. Lett 111, 207001 (2013)PRLTAO0031-900710.1103/PhysRevLett.111.207001] in this weakly correlated compound.
UR - http://www.scopus.com/inward/record.url?scp=84941122564&partnerID=8YFLogxK
U2 - 10.1103/PhysRevB.92.081116
DO - 10.1103/PhysRevB.92.081116
M3 - Article
AN - SCOPUS:84941122564
SN - 1098-0121
VL - 92
JO - Physical Review B - Condensed Matter and Materials Physics
JF - Physical Review B - Condensed Matter and Materials Physics
IS - 8
M1 - 081116
ER -
Xu N, Matt CE, Richard P, Van Roekeghem A, Biermann S, Shi X 等. Camelback-shaped band reconciles heavy-electron behavior with weak electronic Coulomb correlations in superconducting TlNi2 Se2. Physical Review B - Condensed Matter and Materials Physics. 2015 8月 24;92(8):081116. doi: 10.1103/PhysRevB.92.081116