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Crystal field analysis of the magnetic properties of RFe11Ti and RFe11TiH (R=Sm, Tb, Ho)

Crystal field analysis of the magnetic properties of RFe11Ti and RFe11TiH (R=Sm, Tb, Ho)
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摘要 The crystalline-electric-field parameters Anm for RFe11Ti and RFe11TiH (R=Sm, Tb, Ho) are evaluated by fitting calculations to the magnetization curves measured on the single crystals or on magnetically aligned powder samples at 4.2K and higher temperatures. Interstitial hydrogen atom in RFe11Ti has been found to have a significant effect on crystalline-electric-field parameters Anm. By using the parameters of exchange field 2μBHex estimated from inelastic neutron scattering experiments and the fitted Anm, the calculations can reproduce the experimental curves well. The crystalline-electric-field parameters Anm for RFe11Ti and RFe11TiH (R=Sm, Tb, Ho) are evaluated by fitting calculations to the magnetization curves measured on the single crystals or on magnetically aligned powder samples at 4.2K and higher temperatures. Interstitial hydrogen atom in RFe11Ti has been found to have a significant effect on crystalline-electric-field parameters Anm. By using the parameters of exchange field 2μBHex estimated from inelastic neutron scattering experiments and the fitted Anm, the calculations can reproduce the experimental curves well.
出处 《Chinese Physics B》 SCIE EI CAS CSCD 2005年第10期2127-2132,共6页 中国物理B(英文版)
基金 Project supported by the Department of Science and Technology of Jilin Province, Specialized Research Fund for the Doctoral Program of Higher Education and the National Natural Science Foundation of China (Grant No 10304006).
关键词 magnetization curves magnetic anisotropy rare-earth compounds Crystalline-electricfield magnetization curves, magnetic anisotropy, rare-earth compounds, Crystalline-electricfield
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