A new ordered vacancy compound; preparation and crystal structure of Ag3In5Te9

Authors

  • P. Delgado-Niño Facultad de Ingeniería, Universidad Libre, Av. Cr 70 53-40, Bogotá, Colombia
  • C. Chacón Cátedras Conacyt-Instituto Mexicano del Petróleo, Centro de Tecnología para Aguas Profundas, Veracruz, México
  • and G. E. Delgado Laboratorio de Cristalografía, Departamento de Química, Facultad de Ciencias, Universidad De Los Andes, Mérida, Venezuela http://orcid.org/0000-0003-3970-2387

DOI:

https://doi.org/10.31349/RevMexFis.65.475

Keywords:

Ordered vacancy compound, Crystal structure, X-ray powder diffraction, Rietveld refinement, AgInTe2

Abstract

The new ordered vacancy compound Ag3In5Te9 was synthesized by the melt and annealing technique and its structure was refined from X-ray powder diffraction pattern using the Rietveld method. The title compound crystallizes in the tetragonal space group P 2c (Nº 112), with a = 6.3453(2) Å, c = 12.5754(7) Å, V = 506.32(4) Å3. The refinement of 23 instrumental and structural parameters led to Rp = 5.4%, Rwp = 5.8%, Rexp = 5.1 %, S = 1.1. This ternary compound is isostructural with Cu3In5Te9 and have a defect adamantane structure.

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Published

2019-09-02

Issue

Vol. 65 No. 5 Sept-Oct (2019): Revista Mexicana de Física

Section

Condensed Matter

License

Authors retain copyright and grant the Revista Mexicana de Física right of first publication with the work simultaneously licensed under a CC BY-NC-ND 4.0 that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.

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