The solid solutions M19Q6X7 with M = Ag, Cu; Q = S, Se, Te and X = S, Se, Te

Tom Nilges; Julia Messel

doi:10.1002/zaac.200800128

The solid solutions M₁₉Q₆X₇ with M = Ag, Cu; Q = S, Se, Te and X = S, Se, Te

Tom Nilges, Julia Messel

University of Münster

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

14 Scopus citations

Abstract

X-ray powder diffraction, EDX- and DSC measurements were performed in order to determine the structural and thermal properties of the solid solutions Ag₁₉Te₆Br_7-xCl_x, Ag ₁₉Te₆Br_7-yI_y, Ag₁₉Te _6-aS_aBr₇, Ag₁₉Te _6-bSe_bBr₇ and Ag_19-zCu _zTe₆Br₇. Three different structure types, the Ag₁₉Te₆Br₇, the Ag₁₉Te ₅SeBr₇ and the Ag₁₉Te₆Br _5.4I_1.6 type are realized, dependent on the type and grade of substitution. The Ag₁₉Te₆Br₇ structure type is present for the solid solutions Ag₁₉Te₆Br _7-xCl_x, Ag₁₉Te_6-aS _aBr₇ and Ag_19-zCu_zTe ₆Br₇. For b ≥ 1 in case of Ag₁₉Te _6-bSe_bBr₇ and for y ≥ 1.25 in Ag ₁₉Te₆Br_7-yI_y the Ag ₁₉Te₆Br₇ structure type is replaced by the Ag₁₉Te₅SeBr₇ and the Ag₁₉Te ₆Br_5.4I_1.6 structure type. All compounds show peritectic decomposition to the binary compounds Ag₂₃Te ₁₂Br and Ag₅Te₂Cl, respectively.

Original language	English
Pages (from-to)	2185-2190
Number of pages	6
Journal	Zeitschrift fur Anorganische und Allgemeine Chemie
Volume	634
Issue number	12-13
DOIs	https://doi.org/10.1002/zaac.200800128
State	Published - Oct 2008
Externally published	Yes

Keywords

DSC measurements
Phase analysis
Powder diffraction
Silver chalcogenide halides
Solid solutions

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title = "The solid solutions M19Q6X7 with M = Ag, Cu; Q = S, Se, Te and X = S, Se, Te",

abstract = "X-ray powder diffraction, EDX- and DSC measurements were performed in order to determine the structural and thermal properties of the solid solutions Ag19Te6Br7-xClx, Ag 19Te6Br7-yIy, Ag19Te 6-aSaBr7, Ag19Te 6-bSebBr7 and Ag19-zCu zTe6Br7. Three different structure types, the Ag19Te6Br7, the Ag19Te 5SeBr7 and the Ag19Te6Br 5.4I1.6 type are realized, dependent on the type and grade of substitution. The Ag19Te6Br7 structure type is present for the solid solutions Ag19Te6Br 7-xClx, Ag19Te6-aS aBr7 and Ag19-zCuzTe 6Br7. For b ≥ 1 in case of Ag19Te 6-bSebBr7 and for y ≥ 1.25 in Ag 19Te6Br7-yIy the Ag 19Te6Br7 structure type is replaced by the Ag19Te5SeBr7 and the Ag19Te 6Br5.4I1.6 structure type. All compounds show peritectic decomposition to the binary compounds Ag23Te 12Br and Ag5Te2Cl, respectively.",

keywords = "DSC measurements, Phase analysis, Powder diffraction, Silver chalcogenide halides, Solid solutions",

author = "Tom Nilges and Julia Messel",

year = "2008",

month = oct,

doi = "10.1002/zaac.200800128",

language = "English",

volume = "634",

pages = "2185--2190",

journal = "Zeitschrift fur Anorganische und Allgemeine Chemie",

issn = "0044-2313",

publisher = "Wiley-VCH Verlag",

number = "12-13",

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T1 - The solid solutions M19Q6X7 with M = Ag, Cu; Q = S, Se, Te and X = S, Se, Te

AU - Nilges, Tom

AU - Messel, Julia

PY - 2008/10

Y1 - 2008/10

N2 - X-ray powder diffraction, EDX- and DSC measurements were performed in order to determine the structural and thermal properties of the solid solutions Ag19Te6Br7-xClx, Ag 19Te6Br7-yIy, Ag19Te 6-aSaBr7, Ag19Te 6-bSebBr7 and Ag19-zCu zTe6Br7. Three different structure types, the Ag19Te6Br7, the Ag19Te 5SeBr7 and the Ag19Te6Br 5.4I1.6 type are realized, dependent on the type and grade of substitution. The Ag19Te6Br7 structure type is present for the solid solutions Ag19Te6Br 7-xClx, Ag19Te6-aS aBr7 and Ag19-zCuzTe 6Br7. For b ≥ 1 in case of Ag19Te 6-bSebBr7 and for y ≥ 1.25 in Ag 19Te6Br7-yIy the Ag 19Te6Br7 structure type is replaced by the Ag19Te5SeBr7 and the Ag19Te 6Br5.4I1.6 structure type. All compounds show peritectic decomposition to the binary compounds Ag23Te 12Br and Ag5Te2Cl, respectively.

AB - X-ray powder diffraction, EDX- and DSC measurements were performed in order to determine the structural and thermal properties of the solid solutions Ag19Te6Br7-xClx, Ag 19Te6Br7-yIy, Ag19Te 6-aSaBr7, Ag19Te 6-bSebBr7 and Ag19-zCu zTe6Br7. Three different structure types, the Ag19Te6Br7, the Ag19Te 5SeBr7 and the Ag19Te6Br 5.4I1.6 type are realized, dependent on the type and grade of substitution. The Ag19Te6Br7 structure type is present for the solid solutions Ag19Te6Br 7-xClx, Ag19Te6-aS aBr7 and Ag19-zCuzTe 6Br7. For b ≥ 1 in case of Ag19Te 6-bSebBr7 and for y ≥ 1.25 in Ag 19Te6Br7-yIy the Ag 19Te6Br7 structure type is replaced by the Ag19Te5SeBr7 and the Ag19Te 6Br5.4I1.6 structure type. All compounds show peritectic decomposition to the binary compounds Ag23Te 12Br and Ag5Te2Cl, respectively.

KW - DSC measurements

KW - Phase analysis

KW - Powder diffraction

KW - Silver chalcogenide halides

KW - Solid solutions

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SN - 0044-2313

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JO - Zeitschrift fur Anorganische und Allgemeine Chemie

JF - Zeitschrift fur Anorganische und Allgemeine Chemie

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ER -

The solid solutions M₁₉Q₆X₇ with M = Ag, Cu; Q = S, Se, Te and X = S, Se, Te

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