Structural precursor to the metal-insulator transition in V_2O_3

Details Structural precursor to the metal-insulator transition in V_2O_3 Structural precursor to the metal-insulator transition in V_2O_3

Publishing date

2005-08-09

URL

arxiv.org/abs/cond-mat/0508221v2

Science

Physics

Field

Condensed Matter

SubField

Strongly Correlated Electrons

Additional info

6 pages, 5 figures, 2 tables

Type

Scientific paper

Digital Object Identifier

10.1103/PhysRevB.73.144106

Abstract

The temperature dependence of the local structure of V_2O_3 in the vicinity of the metal to insulator transition (MIT) has been investigated using hard X-ray absorption spectroscopy. It is shown that the vanadium pair distance along the hexagonal c-axis changes abruptly at the MIT as expected. However, a continuous increase of the tilt of these pairs sets in already at higher temperatures and reaches its maximum value at the onset of the electronic and magnetic transition. These findings confirm recent theoretical results which claim that electron-lattice coupling is important for the MIT in V_2O_3. Our results suggest that interactions in the basal plane play a decisive role for the MIT and orbital degrees of freedom drive the MIT via changes in hybridization.

Affiliated with

Also associated with

No associations

Rating

Structural precursor to the metal-insulator transition in V_2O_3 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Structural precursor to the metal-insulator transition in V_2O_3, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Structural precursor to the metal-insulator transition in V_2O_3 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-576362