Magnetic structure of TmCu<sub>2</sub>Ge<sub>2</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

Magnetic structure of TmCu₂Ge₂

Authors:	B. Penc S. GerischerA. Hoser A. Szytu?a

Affiliation:	^a M. Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland ^b BENSC, Helmholtz-Zentrum Berlin, Hahn-Meitner-Platz 1, D-14 109 Berlin, Germany

Abstract:	TmCu₂Ge₂ compound crystallizes in the tetragonal ThCr₂Si₂-type crystal structure. The neutron diffraction reveals the presence of an incommensurate antiferromagnetic order below T_N=2.5 K. The Tm magnetic moment of 5.0(1) μ_B at 0.47 K is parallel to the c-axis. The order is described by the propagation vector k=[k_x, k_x, 0], where k_x=0.117(3). The increase of the values of the components k_x near the Néel temperature is observed.

Keywords:	Magnetically ordered material Magnetic structure Neutron diffraction
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