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Journal of the Chilean Chemical Society

versión On-line ISSN 0717-9707


GALDAMEZ, A; MANRIQUEZ, V; RUIZ, D  y  AVILA, R.E.. Physical Properties of the Phases A0.7Bi1.1P2Se 6 (A = Cu, Ag) and CuBi1-XSbXP2Se 6. J. Chil. Chem. Soc. [online]. 2005, vol.50, n.1, pp.413-416. ISSN 0717-9707.

The new selenophosphate phases A0.7Bi1.1P2Se 6 (A = Cu, Ag) and CuBi1-XSbXP2Se 6, stabilized by the chalcophosphate anions (P2Se6)4-, were prepared by molten polythiophosphate fluxes. The reaction products were characterized by atomic absorption (ICP) and Scanning Electron Microscopy (SEM-EDX), powder X-ray (XRD), Fourier transform infrared spectroscopy (FTIR) and a.c. and d.c. electrical conductivity measurements. The phases A0.7Bi1.1P2Se 6 and CuBi1-XSbXP2Se 6 are structurally related to AMP2Se6 and they possess two-dimensional (2D) structure. These phases are semiconductors, with values of electrical conductivity, sI, about 10-4 W-1cm-1 at room temperature

Palabras clave : selenodiphosphates; electrical properties.

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