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research article
Interplay of electronic correlations and lattice instabilities in BaVS3
2009
The quasi-one-dimensional metallic system BaVS3 with a metal-insulator transition at T-MI=70 K shows large changes in the optical phonon spectrum, a central peak, and an electronic Raman scattering continuum that evolve in a three-step process. Motivated by the observation of a strongly fluctuating precursor state at high temperatures and orbital ordering and a charge gap at low temperatures, we suggest a concerted action of the orbital, electronic, and lattice subsystems in BaVS3 dominated by electronic correlations.
Type
research article
Web of Science ID
WOS:000273229200052
Authors
Choi, Kwang-Yong
•
Wulferding, Dirk
•
Berger, Helmuth
•
Lemmens, Peter
Publication date
2009
Published in
Volume
80
Article Number
245108
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
November 30, 2010
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