Investigation of cation-deficient quaternary thiospinels: Single crystal study of Ag1.4Cr1.47Sn2.53S8

Gunjan Garg; Shalabh Gupta; Kandalam V. Ramanujachary; Samuel E. Lofland; Ashok K. Ganguli

doi:10.1016/j.jallcom.2004.08.039

Investigation of cation-deficient quaternary thiospinels: Single crystal study of Ag_1.4Cr_1.47Sn_2.53S₈

Gunjan Garg, Shalabh Gupta, Kandalam V. Ramanujachary, Samuel E. Lofland, Ashok K. Ganguli

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

7 Scopus citations

Abstract

Single crystals of the quaternary thiospinel Ag_1.41(1)Cr _1.47(5)Sn_2.52(5)S₈ have been obtained by heating stoichiometric mixtures of elemental metals and sulfur at 750 °C. Structural analysis by single crystal X-ray diffraction shows that the above phase crystallizes in the Fd3̄m space group with a = 10.4142(3) Å (R₁ = 0.0156 and wR₂ = 0.0416). The Ag-deficiency has been confirmed by solving the structures of crystals prepared in different batches and was observed to vary slightly between crystals. Magnetic studies on a monophasic powder sample with a nominal composition of Ag _1.63CrSn₃S₈ indicates anti-ferromagnetic ordering at low temperature. The high temperature susceptibility leads to a magnetic moment of 3.45 B.M. suggesting that chromium exists predominantly in a trivalent state.

Original language	English (US)
Pages (from-to)	46-50
Number of pages	5
Journal	Journal of Alloys and Compounds
Volume	390
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jallcom.2004.08.039
State	Published - Mar 22 2005

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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10.1016/j.jallcom.2004.08.039

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title = "Investigation of cation-deficient quaternary thiospinels: Single crystal study of Ag1.4Cr1.47Sn2.53S8",

abstract = "Single crystals of the quaternary thiospinel Ag1.41(1)Cr 1.47(5)Sn2.52(5)S8 have been obtained by heating stoichiometric mixtures of elemental metals and sulfur at 750 °C. Structural analysis by single crystal X-ray diffraction shows that the above phase crystallizes in the Fd{\=3}m space group with a = 10.4142(3) {\AA} (R1 = 0.0156 and wR2 = 0.0416). The Ag-deficiency has been confirmed by solving the structures of crystals prepared in different batches and was observed to vary slightly between crystals. Magnetic studies on a monophasic powder sample with a nominal composition of Ag 1.63CrSn3S8 indicates anti-ferromagnetic ordering at low temperature. The high temperature susceptibility leads to a magnetic moment of 3.45 B.M. suggesting that chromium exists predominantly in a trivalent state.",

author = "Gunjan Garg and Shalabh Gupta and Ramanujachary, {Kandalam V.} and Lofland, {Samuel E.} and Ganguli, {Ashok K.}",

year = "2005",

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doi = "10.1016/j.jallcom.2004.08.039",

language = "English (US)",

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T1 - Investigation of cation-deficient quaternary thiospinels

T2 - Single crystal study of Ag1.4Cr1.47Sn2.53S8

AU - Garg, Gunjan

AU - Gupta, Shalabh

AU - Ramanujachary, Kandalam V.

AU - Lofland, Samuel E.

AU - Ganguli, Ashok K.

PY - 2005/3/22

Y1 - 2005/3/22

N2 - Single crystals of the quaternary thiospinel Ag1.41(1)Cr 1.47(5)Sn2.52(5)S8 have been obtained by heating stoichiometric mixtures of elemental metals and sulfur at 750 °C. Structural analysis by single crystal X-ray diffraction shows that the above phase crystallizes in the Fd3̄m space group with a = 10.4142(3) Å (R1 = 0.0156 and wR2 = 0.0416). The Ag-deficiency has been confirmed by solving the structures of crystals prepared in different batches and was observed to vary slightly between crystals. Magnetic studies on a monophasic powder sample with a nominal composition of Ag 1.63CrSn3S8 indicates anti-ferromagnetic ordering at low temperature. The high temperature susceptibility leads to a magnetic moment of 3.45 B.M. suggesting that chromium exists predominantly in a trivalent state.

AB - Single crystals of the quaternary thiospinel Ag1.41(1)Cr 1.47(5)Sn2.52(5)S8 have been obtained by heating stoichiometric mixtures of elemental metals and sulfur at 750 °C. Structural analysis by single crystal X-ray diffraction shows that the above phase crystallizes in the Fd3̄m space group with a = 10.4142(3) Å (R1 = 0.0156 and wR2 = 0.0416). The Ag-deficiency has been confirmed by solving the structures of crystals prepared in different batches and was observed to vary slightly between crystals. Magnetic studies on a monophasic powder sample with a nominal composition of Ag 1.63CrSn3S8 indicates anti-ferromagnetic ordering at low temperature. The high temperature susceptibility leads to a magnetic moment of 3.45 B.M. suggesting that chromium exists predominantly in a trivalent state.

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JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

IS - 1-2

ER -

Investigation of cation-deficient quaternary thiospinels: Single crystal study of Ag_1.4Cr_1.47Sn_2.53S₈

Abstract

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