Metal-insulator transition in BaVS3

P. Foury-Leylekian; S. Fagot; S. Ravy; J. P. Pouget; G. Popov; M. V. Lobanov; M. Greenblatt

doi:10.1016/j.physb.2005.01.365

Metal-insulator transition in BaVS₃

P. Foury-Leylekian, S. Fagot, S. Ravy, J. P. Pouget, G. Popov, M. V. Lobanov, M. Greenblatt

SAS - Chem & Chemical Biology

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

BaVS₃ is an unusual 3d¹ quasi-one dimensional (1D) correlated system presenting an interplay of charge, orbital and spin degrees of freedom. At TMI=70K, BaVS₃ undergoes a metal-insulator transition whose origin is still a matter of controversy. We show that this transition is associated with a structural modulation preceded by an extended temperature range of 1D lattice fluctuations. We have refined the superstructure and showed that it corresponds to a complex modulation of the V bonds leading to the formation of an Unconventional Charge Density Wave (CDW) ground state.

Original language	English (US)
Pages (from-to)	1225-1227
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	359-361
Issue number	SPEC. ISS.
DOIs	https://doi.org/10.1016/j.physb.2005.01.365
State	Published - Apr 30 2005

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

Keywords

Charge density wave
Metal-insulator transition

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abstract = "BaVS3 is an unusual 3d1 quasi-one dimensional (1D) correlated system presenting an interplay of charge, orbital and spin degrees of freedom. At TMI=70K, BaVS3 undergoes a metal-insulator transition whose origin is still a matter of controversy. We show that this transition is associated with a structural modulation preceded by an extended temperature range of 1D lattice fluctuations. We have refined the superstructure and showed that it corresponds to a complex modulation of the V bonds leading to the formation of an Unconventional Charge Density Wave (CDW) ground state.",

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T1 - Metal-insulator transition in BaVS3

AU - Foury-Leylekian, P.

AU - Fagot, S.

AU - Ravy, S.

AU - Pouget, J. P.

AU - Popov, G.

AU - Lobanov, M. V.

AU - Greenblatt, M.

PY - 2005/4/30

Y1 - 2005/4/30

N2 - BaVS3 is an unusual 3d1 quasi-one dimensional (1D) correlated system presenting an interplay of charge, orbital and spin degrees of freedom. At TMI=70K, BaVS3 undergoes a metal-insulator transition whose origin is still a matter of controversy. We show that this transition is associated with a structural modulation preceded by an extended temperature range of 1D lattice fluctuations. We have refined the superstructure and showed that it corresponds to a complex modulation of the V bonds leading to the formation of an Unconventional Charge Density Wave (CDW) ground state.

AB - BaVS3 is an unusual 3d1 quasi-one dimensional (1D) correlated system presenting an interplay of charge, orbital and spin degrees of freedom. At TMI=70K, BaVS3 undergoes a metal-insulator transition whose origin is still a matter of controversy. We show that this transition is associated with a structural modulation preceded by an extended temperature range of 1D lattice fluctuations. We have refined the superstructure and showed that it corresponds to a complex modulation of the V bonds leading to the formation of an Unconventional Charge Density Wave (CDW) ground state.

KW - Charge density wave

KW - Metal-insulator transition

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