Garg, Gunjan ; Gupta, Shalabh ; Ramanujachary, Kandalam V. ; Lofland, Samuel E. ; Ganguli, Ashok K. (2005) Investigation of cation-deficient quaternary thiospinels: single crystal study of Ag1.4Cr1.47Sn2.53S8 Journal of Alloys and Compounds, 390 (1-2). pp. 46-50. ISSN 0925-8388
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.jallcom.2004.08.039
Abstract
Single crystals of the quaternary thiospinel Ag1.41(1)Cr1.47(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 View the Fd3̅m 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 Ag1.63CrSn3S8 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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Solid-state Reaction; Crystal and Magnetic Structure; Magnetic Material; Magnetic Measurements |
| ID Code: | 61993 |
| Deposited On: | 16 Sep 2011 03:50 |
| Last Modified: | 16 Sep 2011 03:50 |
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