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The Influence of Cation Substitution on the Kinetics of Phase Transitions in Crystals of (K,NH{sub 4}){sub 3}H(SO{sub 4}){sub 2} Solid Solutions

Journal Article · · Crystallography Reports
; ;  [1]
  1. Russian Academy of Sciences, Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” (Russian Federation)
The structure of (K{sub 0.967}(NH{sub 4}){sub 0.033}){sub 3}H(SO{sub 4}){sub 2} crystals, belonging to the K{sub 3}H(SO{sub 4}){sub 2}–(NH{sub 4}){sub 3}H(SO{sub 4}){sub 2}–H{sub 2}O salt system, has been investigated by X-ray structural analysis. The room-temperature characteristics of the atomic structure of these crystals are found to be as follows: sp. gr. C2/c, Z = 4, a = 14.7025(4) Å, b = 5.6859(2) Å, c = 9.7885(3) Å, and R/wR = 0.021/0.030%. The thermal and optical properties of (K,NH{sub 4}){sub 3}H(SO{sub 4}){sub 2} and K{sub 3}H(SO{sub 4}){sub 2} single crystals have been investigated and compared in a temperature range of 295–500 K.
OSTI ID:
22758266
Journal Information:
Crystallography Reports, Journal Name: Crystallography Reports Journal Issue: 2 Vol. 63; ISSN 1063-7745; ISSN CYSTE3
Country of Publication:
United States
Language:
English