Published June 2002
| Version v1
Journal article
Theory of phase diagram corresponding to oxygen ordering in YBa2Cu3O7-y
Creators
- 1. Nauchno-Issledovatel'skij Inst. Fiziki Rostovskogo Gosudarstvennogo Univ., Rostov-na-Donu (Russian Federation)
Description
For the transition of oxygen ordering type in YBa2Cu3O7-y an integer rational basis of invariants is calculated and investigated. The Landau potential describing a phase diagram which contains phases O(I) and O(II) is presented. A study is made into the limits of applicability for the forth degree phenomenological model. The phase diagram corresponding to the approach of Gorski-Bragg-Williams within frameworks of the adopted model is plotted
Abstract (Russian)
Для переходов типа упорядочения кислорода в YBa2Cu3O7-y вычислен и исследован целый рациональный базис инвариантов. Приведен потенциал Ландау, описывающий фазовую диаграмму, содержащую фазы O(I) и O(II). Проведено исследование пределов применимости феноменологической модели четвертой степени. Построена фазовая диаграмма, соответствующая приближению энтропии Горского-Брэгга-Вильямса в рамках принятой моделиAdditional details
Additional titles
- Original title (Russian)
- Теория фазовой диаграммы, соотвецтвующей упорядочению кислорода в YBa
Publishing Information
- Journal Title
- Izvestiya Akademii Nauk. Rossijskaya Akademiya Nauk. Seriya Fizicheskaya
- Journal Volume
- 66
- Journal Issue
- 6
- Journal Page Range
- p. 791-796
- ISSN
- 1026-3489
- CODEN
- IRAFEO
Conference
- Title
- OMA-2001 and ODPO-2001
- Original Conference Title
- Mezhdunarodnyj simpozium: Fazovye prevrashcheniya v tverdykh rastvorakh i splavakh OMA-2001i Mezhdunarodnyj simposium: Poryadok, besporyadok i svojstva oksidov ODPO-2001
- Dates
- Sep 2001
- Place
- Rostov-na-Donu (Russian Federation)
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 35001509
- Subject category
- S36: MATERIALS SCIENCE;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- BARIUM COMPOUNDS; COOPER PAIRS; CUPRATES; HIGH-TC SUPERCONDUCTORS; MATHEMATICAL MODELS; ORDER PARAMETERS; PHASE DIAGRAMS; YTTRIUM COMPOUNDS
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; COPPER COMPOUNDS; DIAGRAMS; INFORMATION; OXYGEN COMPOUNDS; SUPERCONDUCTORS; TRANSITION ELEMENT COMPOUNDS; TYPE-II SUPERCONDUCTORS
Optional Information
- Notes
- 21 refs., 2 figs.