Zobrazeno 1 - 10
of 88
pro vyhledávání: '"K. Jaouadi"'
Publikováno v:
Journal of Molecular Structure. 1151:286-300
A new inorganic Rb 4 (SO 4 )(HSO 4 ) 2 (H 3 AsO 4 ) compound was prepared. It was found to crystallize in the monoclinic system (P2 1 space group) with the following lattice parameters: a = 5868 (1) A, b = 13,579(2) A, c = 11,809 (3) A and β = 94,73
Publikováno v:
Solid State Ionics. 301:78-85
An investigation of solid solutions of KH 2 AsO 4 –CsH 2 AsO 4 has led to the discovery of a new compound Cs 0.5 K 0.5 H 2 AsO 4 (denoted CKDA). The compound was characterized by X-ray single crystal analysis performed at room temperature and revea
Publikováno v:
Ionics. 23:1461-1470
The Rb3(HSeO4)2.5(H2PO4)0.5 compound was prepared and its thermal behavior and electric properties were investigated. The thermogravimetry (TGA) analysis and the differential scanning calorimetric (DSC) show the presence of a structural phase transit
Publikováno v:
Solid State Ionics. 300:205-211
The structural characteristics of the crystals (RbH2(PO4)0.65(AsO4)0.35) were analyzed by means of X-ray diffraction, which revealed that the new title compound is nearly isomorphous with the tetragonal phase of RbH2AsO4 (RDA). The following results
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Publikováno v:
Journal of Molecular Structure. 1125:12-19
The new compound K0.47(NH4)0.53H2(PO4)0.52(AsO4)0.48 crystallizes in the tetragonal system I 4 ¯ 2d with lattice parameters a = 7.606(5) A and c = 7.401(5) A. This material has a unit cell volume of 428.16 A3 and four formula units per cell. The mai
Publikováno v:
Ionics. 23:169-176
Partial substitution of P by As and of Cs by NH4, leading to the solid solution Cs1-x(NH4)xH2(PO4) y (AsO4)1-y, with x = 0.45 and y = 0.39 (abbreviated as CADPA) has been shown. Two phase transitions at T 1 = 204 K and T 2 = 407 K were detected and s
Publikováno v:
Phase Transitions. 90:143-157
Mixed crystals Rb3(HSO4)2.5(H2AsO4)0.5 have been prepared by slow evaporation from aqueous solution at room temperature. The crystals were characterized by X-ray single analysis, which revealed that Rb3(HSO4)2.5(H2AsO4)0.5 crystallizes in the space g
Publikováno v:
Ionics. 22:1611-1623
Synthesis and structural characterization by single-crystal X-ray diffraction method, thermal behavior, and electrical proprieties are given for a new compound with a superprotonic phase transition Cs2(HSO4)(H2AsO4). The title compound crystallizes i
Publikováno v:
Journal of Molecular Structure. 1083:405-411
The structure of a new inorganic solid acid Rb3(HSeO4)2.5(H2PO4)0.5 trirubidium hydrogenselenate dihydrogenphosphate: (RbHSeP) has been examined by X-ray single analysis performed at room temperature. This compound crystallizes in triclinic space gro