Zobrazeno 1 - 10
of 168
pro vyhledávání: '"J. P. Galy"'
Publikováno v:
Journal of Solid State Chemistry. 181:2918-2923
The PbZn 1/3 Nb 2/3 O 3 –PbTiO 3 phase (PZN–PT) prepared by mechanosynthesis exhibits interesting relaxor properties when transformed into nanostructured ceramic by spark plasma sintering. When trying to obtain denser ceramic to enhance physical
Publikováno v:
Solid State Sciences. 8:1438-1442
Cell parameter evolution versus temperature has been established for both V 2 O 5 and MoO 3 , from 15 to 953 and 893 K, respectively. Both oxides preserve their orthorhombic crystal system and their respective space groups Pmmn and Pnma in the whole
Publikováno v:
Solid State Sciences. 7:726-734
The title phase and its homogeneity range ( 0.12 ⩽ x ⩽ 0.18 ) have been established via several controlled solid state reactions at 630 °C. X-ray diffraction and TEM investigations indicate that the diffraction patterns are dominated by diffuse
Publikováno v:
Journal of Solid State Chemistry. 178:1094-1103
Single crystals of two cerium complexes, with mixed-ligands oxalate and glycolate, have been prepared in a closed system, at 200 °C for one month: [Ce2(H2O)3](C2O4)2.5(H3C2O3) 1 and Ce2(C2O4)(H3C2O3)4 2. 1 crystallizes in the orthorhombic system, sp
Publikováno v:
Journal of Solid State Chemistry. 173:49-53
A tin(II) squarate Sn2O(C4O4)(H2O) was synthesized by hydrothermal technique. It crystallizes in the monoclinic system, space group C2/m (no. 12) with lattice parameters a=12.7380(9) A, b=7.9000(3) A, c=8.3490(5) A, β=121.975(3)°, V=712.69(7) A3, Z
Publikováno v:
Journal of Solid State Chemistry. 166:382-388
The electronic and physical properties of Cu2.33V4O11 were characterized by electrical resistivity, magnetic susceptibility and X-ray photoelectron spectroscopy (XPS) measurements and by tight-binding electronic band structure calculations. Attempts
Publikováno v:
Journal of Solid State Chemistry. 163:210-217
The isostructural compounds of general formula Ax(Mo, V)8O21 (A=K+, Rb+, Cs+) have been synthesized by solid state reaction. They crystallize in the monoclinic system, space group I2/m, Z=2, within the case of K+: a=16.194(2) A, b=13.716(1) A, c=13.7
Publikováno v:
Journal of Solid State Chemistry. 147:296-303
Two forms of copper(II) vanadyl(IV) diselenite CuVO(SeO 3 ) 2 have been synthesized by solid state reaction. The form (A) belongs to the monoclinic system space group P 2 1 / c with a =7.983(1) A, b =8.877(2) A, c =8.437(2) A, and β =100.62(2)°. It
Publikováno v:
Journal of Solid State Chemistry. 144:379-387
Three solid solutions of general composition Bi4−xSbxV2O10, Bi4V4+2−yV5+yO10+y/2, and Bi4V2−zSbzO11have been investigated in the fivefold Bi2O3–V2O5–V2O4–Sb2O3–Sb2O5system. These oxides have been characterized by X-ray diffraction and e
Publikováno v:
Materials Research Bulletin. 34:655-664
The α-Bi4V2O10 structure was determined from Rietveld analysis of X-ray diffraction powder data and electron diffraction microscopy. α-Bi4V2O10 crystallizes in the orthorhombic system, space group Pnma with a = 5.4704(2) A, b = 17.2471(4) A, and c