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Single Crystal X-Ray Diffraction Studies on Magnetic Yb5Co4Ge10

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Author(s): Udumula Subbarao | Sebastian C. Peter

Journal: Advances in Materials Physics and Chemistry
ISSN 2162-531X

Volume: 03;
Issue: 01;
Start page: 54;
Date: 2013;
Original page

Keywords: X-Ray Diffraction | Single Crystal | Intermetallics | Ytterbium

ABSTRACT
The high quality single crystals of Yb5Co4Ge10 have been grown by the indium metal flux method and characterized by means of single crystal X-ray diffraction data. Yb5Co4Ge10 crystallizes in the Sc5Co4Si10 structure type, tetragonal space group P4/mbm and lattice constants are a = b = 12.6369(18) &197 and c = 4.1378(8) &197. Crystal structure of Yb5Co4Ge10 composed of three-dimensional [Co4Ge12] network having five, six and eight membered rings. The three non-equivalent Yb atoms are sandwiched in three different channels created by the [Co4Ge12] network. Based on the bond length analysis from the crystallographic information, we confirmed that Yb1 and Yb2 atoms are in the trivalent magnetic state and Yb3 is in the divalent non-magnetic state.
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