Zobrazeno 1 - 9
of 9
pro vyhledávání: '"623"'
Publikováno v:
Journal of Solid State Chemistry. 115:55-65
The phase transition behavior of anhydrous silver sodalite (ASS) Ag3[Al 3 Si 3 O 12 ] differs from that of other compounds with a sodalite structure in that the transition detected T c = 678 K by differential scanning calorimetry does not involve the
Publikováno v:
Journal of Solid State Chemistry. 121:372-378
Copper-zinc-cobalt-aluminium-containing crystalline hydroxycarbonates having hydrotalcite structure have been prepared by coprecipitation. X-ray powder diffraction (XRPD), magnetic susceptibility, and extended X-ray absorption fine structure (EXAFS)
Publikováno v:
Journal of Solid State Chemistry. 86:64-74
The crystal structure of the solid electrolyte Na2BeSiO4 has been determined and refined both at 295 and 623 K using crystal diffraction data from a sixfold twin collected with MoKα. The structural relations between the twin components have been elu
Publikováno v:
Journal of Solid State Chemistry. 179:3615-3627
Two new organic–inorganic hybrid compounds of molybdenum(VI) (HDBU)3(NH4)[β-Mo8O26]·H2O 1 and (HDBU)4[δ-Mo8O26] 2 have been synthesized and characterized by elemental analyses, FT-IR and UV–vis spectroscopies, and single-crystal X-ray diffract
Publikováno v:
Journal of Solid State Chemistry. 177:1667-1671
The crystal structures of BaTbO 3 have been investigated over a wide temperature range between 40 and 773 K using high-resolution time-of-flight neutron powder diffraction. Two-phase transitions were observed. Below about 280 K, BaTbO 3 adopts an ort
Publikováno v:
Journal of Solid State Chemistry. 167:446-452
Synchrotron X-ray powder diffraction patterns were collected at the European Synchrotron Radiation Facility (ESRF, Grenoble, France) on powder samples of PbTiO3 (tetragonal, Z=1 P4mma=3.9036(1) A and c=4.1440(2) A at room conditions) applying externa
Publikováno v:
Journal of Solid State Chemistry. 161:197-204
The crystal structure and the magnetic properties for thallium orthoferrite, TlFeO 3 , were characterized and compared with those of rare earth orthoferrites, A FeO 3 ( A =rare earth). TlFeO 3 has a GdFeO 3 -type perovskite structure ( a =5.3172(2) A
Publikováno v:
Journal of Solid State Chemistry. 142:382-392
Several Co/Mg/Al layered double hydroxides (LDH) with (Mg2++Co2+)/Al3+=2 and 3 and Mg2+/Co2+ranging from 0 to 4 have been synthesized by coprecipitation at pH=9 and NO−3as main compensating anions. All samples present well-crystallized layered stru
Publikováno v:
Journal of Solid State Chemistry. 129:271-276
WAXS study of highly divided oxides obtained by low temperature decomposition of mixed oxalates NiMn 2 (C 2 O 4 ) 3 · n H 2 O in air at low temperatures (573 and 623 K) shows that oxalate decomposition leads probably directly to the spinel structure