Evidence for a structurally-driven insulator-to-metal transition in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mi>VO</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>: A view from the ultrafast timescale

Cavalleri, A.; Dekorsy, T.; Chong, Henry; C. Kieffer, J.; W. Schoenlein, R.

doi:10.1103/physrevb.70.161102

Public

Evidence for a structurally-driven insulator-to-metal transition inVO2: A view from the ultrafast timescale

Published in Physical Review B • Oct 13, 2004

Authors:

A. Cavalleri

T. Dekorsy

Henry Chong

Abstract

We apply ultrafast spectroscopy to establish a time-domain hierarchy between structural and electronic effects in a strongly correlated electron system. We discuss the case of the model system ${\mathrm{VO}}_{2}$, a prototypical nonmagnetic compound that exhibits cell doubling, charge localization, ...

Subject

Condensed matter physics

Insulator (electricity)

Spectroscopy

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