Synthesis and characterization of La4MnCu6S10

Ismail Ijjaali; Adam D. McFarland; Christy L. Haynes; Richard P. Van Duyne; James A. Ibers

doi:10.1016/S0022-4596(02)00168-8

Synthesis and characterization of La₄MnCu₆S₁₀

Ismail Ijjaali, Adam D. McFarland, Christy L. Haynes, Richard P. Van Duyne, James A. Ibers

Chemistry (Twin Cities)

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

The new quaternary sulfide La₄MnCu₆S₁₀ has been synthesized by the reaction of La₂S₃, MnS, and CuS₂ at 1223K. This compound crystallizes in a new structure type in space group P1̄ of the triclinic system with one formula unit in a cell of dimensions at 153K of a=6.6076(3)Å, b=7.3247(3)Å, c=8.7844(4)Å, α=83.457(1)°, β=74.398(1)°, γ=89.996(1)°, and V=406.61(3)Å³. The structure of La₄MnCu₆S₁₀ consists of a three-dimensional framework of interconnected LaS₇ monocapped trigonal prisms, MnS₆ octahedra, and CuS₄ tetrahedra. Band gaps of 2.49eV in the [100] direction and 2.53eV in the [001] direction have been derived from optical absorption measurements on a La₄MnCu₆S₁₀ single crystal.

Original language	English (US)
Pages (from-to)	127-131
Number of pages	5
Journal	Journal of Solid State Chemistry
Volume	172
Issue number	1
DOIs	https://doi.org/10.1016/S0022-4596(02)00168-8
State	Published - Apr 2003

Keywords

Band gap in quaternary sulfide
Lanthanum manganese copper sulfide
Synthesis and X-ray structure

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title = "Synthesis and characterization of La4MnCu6S10",

abstract = "The new quaternary sulfide La4MnCu6S10 has been synthesized by the reaction of La2S3, MnS, and CuS2 at 1223K. This compound crystallizes in a new structure type in space group P{\=1} of the triclinic system with one formula unit in a cell of dimensions at 153K of a=6.6076(3){\AA}, b=7.3247(3){\AA}, c=8.7844(4){\AA}, α=83.457(1)°, β=74.398(1)°, γ=89.996(1)°, and V=406.61(3){\AA}3. The structure of La4MnCu6S10 consists of a three-dimensional framework of interconnected LaS7 monocapped trigonal prisms, MnS6 octahedra, and CuS4 tetrahedra. Band gaps of 2.49eV in the [100] direction and 2.53eV in the [001] direction have been derived from optical absorption measurements on a La4MnCu6S10 single crystal.",

keywords = "Band gap in quaternary sulfide, Lanthanum manganese copper sulfide, Synthesis and X-ray structure",

author = "Ismail Ijjaali and McFarland, {Adam D.} and Haynes, {Christy L.} and {Van Duyne}, {Richard P.} and Ibers, {James A.}",

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AU - Ijjaali, Ismail

AU - McFarland, Adam D.

AU - Haynes, Christy L.

AU - Van Duyne, Richard P.

AU - Ibers, James A.

PY - 2003/4

Y1 - 2003/4

N2 - The new quaternary sulfide La4MnCu6S10 has been synthesized by the reaction of La2S3, MnS, and CuS2 at 1223K. This compound crystallizes in a new structure type in space group P1̄ of the triclinic system with one formula unit in a cell of dimensions at 153K of a=6.6076(3)Å, b=7.3247(3)Å, c=8.7844(4)Å, α=83.457(1)°, β=74.398(1)°, γ=89.996(1)°, and V=406.61(3)Å3. The structure of La4MnCu6S10 consists of a three-dimensional framework of interconnected LaS7 monocapped trigonal prisms, MnS6 octahedra, and CuS4 tetrahedra. Band gaps of 2.49eV in the [100] direction and 2.53eV in the [001] direction have been derived from optical absorption measurements on a La4MnCu6S10 single crystal.

AB - The new quaternary sulfide La4MnCu6S10 has been synthesized by the reaction of La2S3, MnS, and CuS2 at 1223K. This compound crystallizes in a new structure type in space group P1̄ of the triclinic system with one formula unit in a cell of dimensions at 153K of a=6.6076(3)Å, b=7.3247(3)Å, c=8.7844(4)Å, α=83.457(1)°, β=74.398(1)°, γ=89.996(1)°, and V=406.61(3)Å3. The structure of La4MnCu6S10 consists of a three-dimensional framework of interconnected LaS7 monocapped trigonal prisms, MnS6 octahedra, and CuS4 tetrahedra. Band gaps of 2.49eV in the [100] direction and 2.53eV in the [001] direction have been derived from optical absorption measurements on a La4MnCu6S10 single crystal.

KW - Band gap in quaternary sulfide

KW - Lanthanum manganese copper sulfide

KW - Synthesis and X-ray structure

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