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Lawrence Berkeley National Laboratory

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Insulator-to-metal transition induced by mid-IR vibrational excitation in a magnetoresistive manganite

Abstract

Selective vibrational excitation of insulating Pr0.7Ca0.3MnO3 at 17 ?m triggers a transition to a metallic state. A four order of magnitude drop of the sample resistivity and ultrafast, nanosecond-lived reflectivity changes are observed

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