2001•Applied Physics LettersRequires access

Correlation between electroresistance and magnetoresistance in La0.82Ca0.18MnO3 single crystal

V. Markovich, E. Rozenberg, Y. Yuzhelevski, G. Jung, G. Gorodetsky, D. A. Shulyatev, Ya. M. Mukovskiǐ

Abstract

The resistivity of La0.82Ca0.18MnO3 single crystal has been investigated as a function of external magnetic field and separately under an applied current flow. The measurements were carried out at various temperatures below and above the ferromagnetic transition temperature TC. It has been found that the dynamic electroresistance exhibits stunning similarities to the colossal magnetoresistance at the corresponding temperatures. The correlation observed between the electric- and magnetic-field effects is attributed to electrically induced magnetoresistance.

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Key concepts: Magnetoresistance, Colossal magnetoresistance, Condensed matter physics, Materials science, Electrical resistivity and conductivity, Ferromagnetism, Single crystal, Magnetic field