Published December 2004
| Version v1
Journal article
Specific features of the formation of a YBa2Cu3O6 stoichiometric low-temperature phase
Creators
- 1. Rossijskaya Akademiya Nauk, Ural'skoe Otdelenie, Inst. Khimii Tverdogo Tela, Ekaterinburg (Russian Federation)
Description
Sequence of transformations taking place during formation of low-temperature phase of stoichiometric composition YBa2Cu3O6 (γ6-phase) was studied by X-ray diffraction method. It was ascertained that in a wide range of the air humidity the transition to stable stoichiometric phase is realized in two stages: formation of γ6-phase oversaturated with oxygen, which has orthorhombic crystal system; excessive oxygen evolution by the compound with its lattice symmetry increase to tetragonal one
Abstract (Russian)
Рентгенографически изучена последовательность превращений, идущих при формировании низко-температурной фазы стехиометрического состава YBa2Cu3O6 (γ6-фазы). Установлено, что в широком интервале влажности воздуха переход в устойчивую стехиометрическую фазу реализуется в две стадии: образование пересыщенной кислородом γ6-фазы, имеющей орторомбическую сингонию; выделение соединением избыточного кислорода с повышением симметрии решетки до тетрагональнойAdditional details
Additional titles
- Original title (Russian)
- Особенности формирования низкотемпературной фазы стехиометрического состава YBa
Publishing Information
- Journal Title
- Zhurnal Fizicheskoj Khimii
- Journal Volume
- 78
- Journal Issue
- 12
- Journal Page Range
- p. 2289-2293
- ISSN
- 0044-4537
- CODEN
- ZFKHA9
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 37094596
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Descriptors DEI
- AIR; BARIUM OXIDES; CHEMICAL COMPOSITION; COPPER OXIDES; CRYSTAL LATTICES; CRYSTAL-PHASE TRANSFORMATIONS; HUMIDITY; HYDRATION; LATTICE PARAMETERS; PHASE STUDIES; YTTRIUM OXIDES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; CHALCOGENIDES; COPPER COMPOUNDS; CRYSTAL STRUCTURE; FLUIDS; GASES; MOISTURE; OXIDES; OXYGEN COMPOUNDS; PHASE TRANSFORMATIONS; SOLVATION; TRANSITION ELEMENT COMPOUNDS; YTTRIUM COMPOUNDS
Optional Information
- Notes
- 9 refs., 3 figs., 1 tab.