Magnetic study of intermetallic Ce1-xTbxMn2Ge2 (0 <= x <= 1) compounds

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Cakir O., Dincer İ., Elmali A., Duman E., Elerman Y.

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, vol.295, no.3, pp.235-240, 2005 (SCI-Expanded)

• Publication Type: Article / Article
• Volume: 295 Issue: 3
• Publication Date: 2005
• Doi Number: 10.1016/j.jmmm.2005.01.014
• Journal Name: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
• Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
• Page Numbers: pp.235-240
• Yıldız Technical University Affiliated: No

Abstract

The magnetic properties of Ce1-xTbxMn2Ge2 (0 <= x <= 1) were investigated by means of field-cooled and zero-field-cooled magnetization measurements in the temperature range 5 K <= T <= 600 K. Earlier neutron diffraction experiments showed that Tb orders below 100 K while Ce does not order at any temperature. The substitution of Tb for Cc leads to a linear decrease in the lattice constants, and the magnetic interactions in the Mn sublattice cross over from a ferromagnetic character to an anti ferro magnetic one. At low temperatures, the Tb sublattice also orders and reconfigures the ordering in the Mn sublattice. The results are collected in a phase diagram. (C) 2005 Elsevier B.V. All rights reserved.