首页> 外文期刊>Zeitschrift fur Naturforschung, B. A Journal of Chemical Sciences >Magnetic properties of RE10TCd3 (RE = Ho, Er, Tm, Lu; T = Fe, Co, Ni, Ru) and Fe-57 Mossbauer spectroscopic data of Y10FeCd3
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Magnetic properties of RE10TCd3 (RE = Ho, Er, Tm, Lu; T = Fe, Co, Ni, Ru) and Fe-57 Mossbauer spectroscopic data of Y10FeCd3

机译:RE10TCd3的磁性能(RE = Ho,Er,Tm,Lu; T = Fe,Co,Ni,Ru)和Y10FeCd3的Fe-57 Mossbauer光谱数据

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摘要

Fourteen X-ray-pure intermetallic compounds RE10TCd3 (RE = Ho, Er, Tm, Lu; T = Fe, Co, Ni, Ru) and Y10FeCd3 were obtained through high-frequency melting of the elements in sealed niobium tubes and subsequent annealing in a muffle furnace. They adopt the Er10FeCd3 structure, a ternary ordered version of the Co2Al5 type. Temperature-dependent magnetic susceptibility measurements show Pauli paramagnetism for the lutetium compounds Lu10FeCd3, Lu10CoCd3, and Lu10RuCd3. The RE10TCd3 phases with holmium, erbium, and thulium show Curie-Weiss paramagnetism and the experimental magnetic moments match with the free ion values of RE3+. All these compounds order antiferromagnetically. The highest Neel temperature was observed for the holmium compounds, e.g. 46.5 K for Ho10RuCd3. Some of the RE10TCd3 phases show field-induced spin reorientations. A Fe-57 Mossbauer spectrum of Y10FeCd3 confirms the single crystallographic iron site.
机译:通过在密封的铌管中对元素进行高频熔化并在随后的退火中进行退火,可获得14种X射线纯金属间化合物RE10TCd3(RE = Ho,Er,Tm,Lu; T = Fe,Co,Ni,Ru)和Y10FeCd3。马弗炉。他们采用Er10FeCd3结构,这是Co2Al5类型的三元有序版本。温度相关的磁化率测量结果显示show化合物Lu10FeCd3,Lu10CoCd3和Lu10RuCd3的保利顺磁性。含,和th的RE10TCd3相显示居里-魏斯顺磁性,并且实验磁矩与RE3 +的自由离子值匹配。所有这些化合物都是反铁磁性的。 observed化合物的最高Neel温度被观察到,例如Ho10RuCd3为46.5K。 RE10TCd3的某些相显示出场诱导的自旋重新取向。 Y10FeCd3的Fe-57 Mossbauer光谱证实了单晶铁的位置。

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