Investigations on the existence of a high-temperature phase transition in ammonium sulphate crystals

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[6]  U. Syamaprasad,et al.  D.C. electrical conductivity in LiNH4SO4 , 1980 .

[7]  Y. Takagi,et al.  The Origin of Mechanical Twins in (NH4)2SO4 , 1976 .

[8]  Y. Murti,et al.  Electrical conductivity of NH4Cl and NH4Br crystals in phases I and II , 1975 .

[9]  L. B. Harris,et al.  Direct current conduction in ammonium and potassium dihydrogen phosphate , 1973 .

[10]  Y. Ishibashi,et al.  The Origin of the Ferroelectric Phase Transition in Ammonium Sulfate , 1973 .

[11]  H. Unruh The spontaneous polarization of (NH4)2SO4 , 1970 .

[12]  W. C. Hamilton,et al.  NEUTRON-DIFFRACTION STUDY OF THE STRUCTURES OF FERROELECTRIC AND PARAELECTRIC AMMONIUM SULFATE , 1966 .

[13]  L. Staveley,et al.  A comparative study of the electrical conductivity of solid ammonium chloride and other ammonium salts , 1964 .

[14]  V. Schmidt Electrical Conductivity of (NH4)2SO4 Single Crystals , 1963 .

[15]  S. Hoshino,et al.  Dielectric and Thermal Study of ( N H 4 ) 2 S O 4 and ( N H 4 ) 2 Be F 4 Transitions , 1958 .

[16]  J. P. Remeika,et al.  Ferroelectricity in Ammonium Sulfate , 1956 .