Magnetic ordering of Hf3Ni2Si3-type {Sm, Tb, Er}3Co2Ge3 and {Tb, Ho}3Ni2Ge3 compounds
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- 作者：A.V. Morozkina ; morozkin@tech.chem.msu.ru" class="auth_mail" title="E-mail the corresponding author ; V.O. Yapaskurtb ; R. Nirmalac ; S. Quezadod ; S.K. Malikd ; Y. Mozharivskyje ; O. Isnardf ; g
- 关键词：Rare-earth compounds ; Magnetic properties ; Magnetocaloric effect ; Neutron diffraction
- 刊名：Journal of Magnetism and Magnetic Materials
- 出版年：2017
- 出版时间：15 February 2017
- 年：2017
- 卷：424
- 期：Complete
- 页码：99-107
- 全文大小：2264 K
文摘
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{Sm, Tb, Er}3Co2Ge3 and Ho3Ni2Ge3 show field sensitive antiferromagnetic ordering.
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ΔSm indicates a field-induced ferromagnetic ordering in {Sm, Tb, Er}3Co2Ge3.
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Ho3Ni2Ge3 has a maximal ΔSm of −10.9 J/kg K at 11 K for a field change of 50 kOe.
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Below TN=33 K Tb3Ni2Ge3 shows an ac-AF ordering of C2′/c magnetic space group.
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Below TmND=15 K, it has additional sine-AF magnetic component with K1=[0, 0, ±1/3].