Phase Transformations of Rubidium Nitrate and Its Solid Solutions with Cesium and Potassium Nitrates

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概要

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• The four solid-solid phase transformations in the cooled melts of RbNO_3 and its solid solutions, Cs_xRb_<1-x>NO_3, and K_xRb_<1-x>NO_3 are examined by electrical conductivity measurement, differential thermal analysis (DTA), dilatometry and X-ray diffraction technique. The solubility of CsNO_3 of KNO_3 in RbNO_3 is explained on the basis of similarity of phases of RbNO_3 with those of CsNO_3 or KNO_3. With increasing x, in the systems Cs_xRb_<1-x>NO_3 and K_xRb_<1-x>NO_3, the transition temperature IV⇾III remains. This is interpreted in terms of (i) the crystallography of different phase of RbNO_3 and (ii) the variation of the cation to anion radius ratio with x in the solid solutins. Coexistence of phases III and II in the III⇌II transition region is studied.

• 社団法人日本物理学会の論文
• 1969-09-05

著者

• Venkateswarlu P.

  Indian Institute Of Technology Kanpur U.p.:(present Address) Division Of Pure Physics National Resea

• SALHOTRA P.

  Indian Institute of Technology, Kanpur, U.P.

• SUBBARAO E.

  Indian Institute of Technology, Kanpur, U.P.

• Subbarao E.

  Indian Institute Of Technology

• Subbarao E.

  Indian Institute Of Technology Kanpur U.p.

• Salhotra P.

  Indian Institute Of Technology Kanpur U.p.:(present Address) Physics Department Govt. Science College

• Salhotra P.P.

  Indian Institute of Technology, Kanpur, U.P.

関連論文

• Phase Transformations of Rubidium Nitrate and Its Solid Solutions with Cesium and Potassium Nitrates
• Thermal Expansion of Zircon

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