Research Papers in Physics and Astronomy

 

Date of this Version

8-1-1996

Comments

Published by American Physical Society. Copyright 1996. Permission to use. Phys. Rev. B 54 (1996) R3694-R3697. http://prb.aps.org/.

Abstract

Recently, it has been argued that a strong electron-phonon interaction arising from the Jahn-Teller splitting of the outer Mn d level plays a crucial role in understanding the nonmetal-to-metal transition observed in the La1-xAxMnO3 (A=Ca, Sr, Ba) system. We show, by neutron powder diffraction, that La0.65Ca0.35MnO3 exhibits an anomalous volume and oxygen/manganese displacement change around Tc, in qualitative agreement with the theoretical prediction.

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