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

• 来源期刊: 中国物理（英文版）
• 关键词: magnetization curves magnetic anisotropy rare-earth compounds Crystalline-electric-field
• 年，卷（期）: 2005,（10）
• 页码范围: 2127-2132
• 页数: 6页
• 语种: 英文

摘要

The crystalline-electric-field parameters Anm for RFe11Ti and RFenTiH (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.