Neutron diffraction study of the crystal and magnetic structure of the ionic ferromagnet Cs<sub>2</sub>CrCl<sub>4</sub>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

Neutron diffraction study of the crystal and magnetic structure of the ionic ferromagnet Cs₂CrCl₄

Authors:	M.T. Hutchings A.K. Gregson P. Day D.H. Leech

Affiliation:	Materials Physics Division, A.E.R.E., Harwell, Didcot, Berkshire, England;Inorganic Chemistry Laboratory, South Parks Road, Oxford, England

Abstract:	Neutron powder diffraction has been used to investigate the crystal and magnetic structure of the ionic ferromagnet Cs₂CrCl₄, T_c ～ 58K. Data taken at ambient temperature, 78 and 4.2K indicate the structure remains tetragonal $I4 mmm$ at low temperatures. A ferromagnetic alignment of the spins is confirmed. The ordered moment at 4.2K is found to be 4.1 ± 0.2μ_B, and the best agreement between the calculated profile and the data suggests its direction lies at an angle of 56 ± 6° to the unique axis.

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