Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Jan Curda"'
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 640:1063-1068
A family of novel variations of the delafossite type of structure, Ag1+xTlO2, was synthesized and characterized. For three members the crystal structures were solved and refined on single crystal data: Ag1+αTlO2 [α = 0.18, Pm1, Z = 1, a = 3.40427(9
Publikováno v:
Zeitschrift für Naturforschung B. 68:611-615
Two new silver vanadate arsenates, Ag2VAsO6 and Ag6V2As2O13, have been prepared applying high oxygen pressure syntheses in stainless-steel autoclaves. Ag2VAsO6 crystallizes in space group P1 with unit cell parameters a=639.1(1), b=646.1(1), c=706.6(1
Publikováno v:
Zeitschrift für Naturforschung B. 64:891-895
Ruby-red single crystals of Ag13I4(AsO4)3 were prepared for the first time by reacting a stoichiometric mixture of Ag2O, AgI and As2O3 at elevated oxygen pressure of 120 MPa and at a temperature of 350 ◦C. The polyhedral crystals belong to the mono
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 635:1106-1109
Ag9I(GeO4)2 was obtained for the first time by reacting a stoichiometric mixture of Ag2O, AgI, and GeO2, at elevated oxygen pressures, adding a small portion of distilled water. The synthesis was done at 480 °C and 110 MPa of oxygen pressure. It cry
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 635:926-930
Ag8I2(CrO4)3 has been synthesized by solid state reaction, starting from stoichiometric mixtures of Ag2O, AgI and Cr2O3, at elevated oxygen pressures. The compound crystallizes in the hexagonal space group P63/m, with the unit cell dimensions a = 9.4
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 634:1907-1910
Ag9I3(SeO4)2(IO3)2 was obtained for the first time by reacting a stoichiometric mixture of Ag2O, AgI and SeO2 at elevated oxygen pressure (255 MPa) and at a temperature of 500 °C. Ag9I3(SeO4)2(IO3)2 was characterized by X-ray powder diffraction, dif
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 634:1071-1076
Two new silver solid electrolytes, Ag4I2SeO4 and Ag3ITeO4, have been synthesized by solid state reactions starting from stoichiometric mixtures of Ag2O and AgI with SeO2, or TeO2, respectively, at elevated oxygen pressures. The new materials have bee
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 633:231-234
The new quaternary oxide Ag4CuTeO6 has been obtained by solid state reaction starting from stoichiometric amounts of the binary oxides at elevated temperatures and oxygen pressures. Ag4CuTeO6 crystallises in space group C2/c with a = 11.3021(8), b =
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 632:1508-1513
Ag2Te2O7, a Novel Silver Tellurate of Weberite Structure Type Ag2Te2O7 has been synthesized by solid state reaction of Ag2O and TeO2 under elevated oxygen pressure. The compound is diamagnetic and insulating, and decomposes at 560 °C in an Ar atmosp
Publikováno v:
Zeitschrift f�r anorganische und allgemeine Chemie. 631:723-727
Disilver Oxotellurate(VI), Ag2TeO4 Ag2TeO4 was synthesised by reaction of Ag2O and TeO2 applying an elevated oxygen pressure. According to a single crystal structure determination (C2/c, a = 9.0588(9), b = 9.2456(8), c = 13.623(1) A, β = 91.758(8)°