PMID: 9632388Jun 25, 1998Paper

Visualization of the local insulator-metal transition in Pr0.7Ca0. 3MnO3

Science
M FiebigY Tokura

Abstract

The light-induced insulator-metal transition in the "colossal magnetoresistance" compound Pr0.7Ca0.3MnO3 is shown to generate a well-localized conducting path while the bulk of the sample remains insulating. The path can be visualized through a change of reflectivity that accompanies the phase transition. Its visibility provides a tool for gaining insight into electronic transport in materials with strong magnetic correlations. For example, a conducting path can be generated or removed at an arbitrary position just because of the presence of another path. Such manipulation may be useful in the construction of optical switches.

References


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Citations

Aug 8, 2012·Accounts of Chemical Research·Shin-ichi Ohkoshi, Hiroko Tokoro
Jun 24, 2010·Nature Chemistry·Shin-Ichi OhkoshiHiroko Tokoro
Aug 19, 2007·Proceedings of the National Academy of Sciences of the United States of America·Ch JoossY Zhu
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Aug 11, 2005·Physical Review Letters·N TakuboK Miyano

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