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Crystal structure, properties, and diffraction data of a new compound Dy5Co6Sn18

Published online by Cambridge University Press:  29 February 2012

Yeqing Chen
Affiliation:
Key Laboratory of Nonferrous Metal Materials and New Processing Technology, Ministry of Education, Guangxi University, Nanning, Guangxi, 530004, China
Bing He
Affiliation:
Key Laboratory of Nonferrous Metal Materials and New Processing Technology, Ministry of Education, Guangxi University, Nanning, Guangxi, 530004, China
Jiejun He
Affiliation:
Key Laboratory of Nonferrous Metal Materials and New Processing Technology, Ministry of Education, Guangxi University, Nanning, Guangxi, 530004, China
Wei He
Affiliation:
Key Laboratory of Nonferrous Metal Materials and New Processing Technology, Ministry of Education, Guangxi University, Nanning, Guangxi, 530004, China
Lingmin Zeng
Affiliation:
Key Laboratory of Nonferrous Metal Materials and New Processing Technology, Ministry of Education, Guangxi University, Nanning, Guangxi, 530004, China
Liangqin Nong
Affiliation:
College of Physics and Electronic Engineering, Guangxi University for Nationalities, Nanning, Guangxi, 530006, China

Abstract

A new ternary compound Dy5Co6Sn18 was synthesized and studied. The crystal structure of Dy5Co6Sn18 was determined using the Rietveld refinement method. The compound was found to crystallize in tetragonal space group I41/acd, Tb5Rh6Sn18-type structure, with a=13.5598(3) Å, c=7.1470(5) Å, Z=8, and Dcalc=8.789 g/cm3. Measurements of magnetic susceptibility and electrical resistivity on polycrystalline samples were also performed. The Curie–Weiss law was followed, with θp=−15.7 K and μeff=10.61μB. Dy5Co6Sn18 is a spin-glass with a freezing temperature of 6.5 K.

Type
Technical Articles
Copyright
Copyright © Cambridge University Press 2008

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