Synthesis and characterisation of the anion-ordered tellurides MGeTe (M = Co,Rh) |
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Authors: | Paz Vaqueiro Gerard G Sobany Fabien Guinet Patricia Leyva-Bailen |
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Institution: | Department of Chemistry, Heriot-Watt University, Edinburgh EH14 4AS, UK |
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Abstract: | The synthesis and structural characterisation, carried out using a combination of single-crystal and powder X-ray diffraction, of the materials MGeTe (M = Co, Rh) are described. These phases adopt an ordered α-NiAs2 structure, which can be considered intermediate between those of pyrite and marcasite. Electrical resistivity and Seebeck coefficient measurements, carried out over the temperature range 77 ≤ T/K ≤ 325, indicate that these materials are n-type semiconductors. |
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