volume 93 issue 2 pages 80-85

Role of electronic correlations in the Fermi surface formation of NaxCoO2

Publication typeJournal Article
Publication date2011-03-27
scimago Q3
wos Q3
SJR0.312
CiteScore2.3
Impact factor1.3
ISSN00213640, 10906487
Physics and Astronomy (miscellaneous)
Abstract
Band structure of metallic sodium cobaltate NaxCoO2 (x = 0.33, 0.48, 0.61, 0.72) has been investigated by local density approximation + Hubbard U (LDA+U) method and within Gutzwiller approximation for the Co-t2g manifold. Correlation effects being taken into account results in suppression of the e′g hole pockets at the Fermi surface in agreement with recent angle-resolved photoemission spectroscopy (ARPES) experiments. In the Gutzwiller approximation the bilayer splitting is significantly reduced due to the correlation effects. The formation of high spin (HS) state in Co d-shell was shown to be very improbable.
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GOST Copy
Shorikov A. et al. Role of electronic correlations in the Fermi surface formation of NaxCoO2 // JETP Letters. 2011. Vol. 93. No. 2. pp. 80-85.
GOST all authors (up to 50) Copy
Shorikov A., KORSHUNOV M. M., Anisimov V. Role of electronic correlations in the Fermi surface formation of NaxCoO2 // JETP Letters. 2011. Vol. 93. No. 2. pp. 80-85.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1134/S0021364011020123
UR - https://doi.org/10.1134/S0021364011020123
TI - Role of electronic correlations in the Fermi surface formation of NaxCoO2
T2 - JETP Letters
AU - Shorikov, A
AU - KORSHUNOV, M. M.
AU - Anisimov, V.I.
PY - 2011
DA - 2011/03/27
PB - Pleiades Publishing
SP - 80-85
IS - 2
VL - 93
SN - 0021-3640
SN - 1090-6487
ER -
BibTex |
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BibTex (up to 50 authors) Copy
@article{2011_Shorikov,
author = {A Shorikov and M. M. KORSHUNOV and V.I. Anisimov},
title = {Role of electronic correlations in the Fermi surface formation of NaxCoO2},
journal = {JETP Letters},
year = {2011},
volume = {93},
publisher = {Pleiades Publishing},
month = {mar},
url = {https://doi.org/10.1134/S0021364011020123},
number = {2},
pages = {80--85},
doi = {10.1134/S0021364011020123}
}
MLA
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MLA Copy
Shorikov, A., et al. “Role of electronic correlations in the Fermi surface formation of NaxCoO2.” JETP Letters, vol. 93, no. 2, Mar. 2011, pp. 80-85. https://doi.org/10.1134/S0021364011020123.