Dy5Ni0.66Bi2.34 and Lu5Ni0.56Sb2.44 – Substitution derivatives with the orthorhombic Yb5Sb3-type structure. Magnetocaloric effect of Dy5Ni0.66Bi2.34期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Dy₅Ni_0.66Bi_2.34 and Lu₅Ni_0.56Sb_2.44 – Substitution derivatives with the orthorhombic Yb₅Sb₃-type structure. Magnetocaloric effect of Dy₅Ni_0.66Bi_2.34

Authors:	Volodymyr Svitlyk Fan Fei Yurij Mozharivskyj

Institution:	^aDepartment of Chemistry, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1

Abstract:	Dy₅Ni_0.66Bi_2.34 and Lu₅Ni_0.56Sb_2.44 were synthesized by arc-melting and were found to adopt an orthorhombic Yb₅Sb₃-type structure. Cell parameters are a = 12.075(2), b = 9.165(2), c = 8.072(1) Å for Dy₅Ni_0.66Bi_2.34 and a = 11.6187(9), b = 8.933(1) and c = 7.8377(6) Å for Lu₅Ni_0.56Sb_2.44. Dy₅Ni_0.66Bi_2.34 undergoes a step-like ferromagnetic transition around 66 K. Magnetocaloric effect in terms of the magnetic entropy change, ΔS, reaches −3.73 J/kg K at 75 K for Dy₅Ni_0.66Bi_2.34.

Keywords:	Dysprosium nickel bismuthide Lutetium nickel antimonide Structure Magnetic properties Magnetocaloric effect
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