Synthesis and crystal structure determination of the new olivine-type compound Mn2SnSe4 | Zendy

Cecilia Chacón | Zendy; Pilar Delgado–Niño | Zendy; Gerzón E. Delgado | Zendy

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Synthesis and crystal structure determination of the new olivine-type compound Mn2SnSe4

Author(s) -

Cecilia Chacón,

Pilar Delgado–Niño,

Gerzón E. Delgado

Publication year - 2019

Publication title -

revista mexicana de física

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.181

H-Index - 25

eISSN - 2683-2224

pISSN - 0035-001X

DOI - 10.31349/revmexfis.66.30

Subject(s) - orthorhombic crystal system , crystallography , crystal structure , rietveld refinement , olivine , octahedron , materials science , tetrahedron , structure type , hexagonal crystal system , annealing (glass) , chemistry , mineralogy , metallurgy

The Mn 2 SnSe 4 compound was synthesized by the melt and annealing technique and its structure was refined by the Rietveld method using X-ray powder diffraction data. This compound crystallizes in the olivine-type structure with unit cell parameters a = 12.9028(2) A, b = 7.9001(1) A, c = 6.5015(1) A, V = 662.72(2) A 3 in the orthorhombic space group Pnma (No 62). This olivine structure can be described from a hexagonal close-packing of selenium atoms where manganese atoms occupy ½ of the octahedral sites while thin atoms lay in ⅛ of the tetrahedra.

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