Heterostructures and Cryogenic Science and TechnologyNo Access

PHENOMENOLOGICAL EQUATIONS FOR THE MAGNETIC PROPERTIES OF La_0.7-xNd_xPb_0.3MnO₃ COMPOUNDS

C. R. OU

Department of Electrical Engineering, Hsiuping Institute of Technology, Dali City, Taichung 412, Taiwan

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S. L. YOUNG

Department of Electrical Engineering, Hsiuping Institute of Technology, Dali City, Taichung 412, Taiwan

Present address: 11 Gunzye Road, Dali City, Taichung 412, Taiwan.

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H. Z. CHEN

Department of Electrical Engineering, Hsiuping Institute of Technology, Dali City, Taichung 412, Taiwan

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M. C. KAO

Department of Electrical Engineering, Hsiuping Institute of Technology, Dali City, Taichung 412, Taiwan

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C. H. LIN

Department of Electrical Engineering, Hsiuping Institute of Technology, Dali City, Taichung 412, Taiwan

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C. Y. SHEN

Department of Electrical Engineering, Hsiuping Institute of Technology, Dali City, Taichung 412, Taiwan

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LANCE HORNG

Department of Physics, National Changhua University of Education, Changhua 500, Taiwan

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C. C. LIN

Department of Electronic, Feng-Chia University, Taichung 407, Taiwan

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J. B. SHI

Department of Electronic, Feng-Chia University, Taichung 407, Taiwan

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https://doi.org/10.1142/S0217979207044706Cited by:0 (Source: Crossref)

Abstract

Polycrystalline single phase oxides, La_0.7-xNd_xPb_0.3)MnO₃ (0.3≤x≤0.7), have been synthesized by a standard ceramic fabrication method. A phenomenological model is proposed to describe the magnetization process, and to fit the experiment data of hysteresis loops under different composition ratio. The magnetic hysteresis behavior can be modeled by the formula of . The resulted model can satisfy the experiment data ranging from 0.005T to 5T. Explanations on the fitting coefficients of these compounds are addressed.

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