On the effects of the magnetic field and the isotopic substitution upon the infrared absorption of manganites

Abstract

Employing a variational approach that takes into account electron-phonon and magnetic interactions in $L{a}_{1-x}{A}_{x}Mn{O}_3$ perovskites with $0<x<0.5$, the effects of the magnetic field and the oxygen isotope substitution on the phase diagram, the electron-phonon correlation function and the infrared absorption at $x=0.3$ are studied. The lattice displacements show a strong correlation with the conductivity and the magnetic properties of the system. Then the conductivity spectra are characterized by a marked sensitivity to the external parameters near the phase boundary.

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References in corpus (2)

• Colossal Magnetoresistant Materials: The Key Role of Phase Separation
• Spectral properties and infrared absorption in manganites

Cited by in corpus (3)

• Modelling of strain effects in manganite films
• Infrared absorption of the charge-ordering phase: Lattice effects
• Ground state features and spectral properties of large polaron liquids from low to high charge densities