Layered perovskitic structures in pure and doped LaTiO[sub 3. 5[minus]x] and SrNbO[sub 3. 5[minus]x]
Journal Article
·
· Journal of Solid State Chemistry; (United States)
- CSIRO, Clayton (Australia)
- Zuerich Research Lab., Rueschlikon (Switzerland)
- Univ. of Hamburg (Germany)
The effect of careful control over metal and oxygen stoichiometry on the structures of various M[sub n+1]M[prime][sub n+1]O[sub 3n+5] phases (M = La and/or Sr, M[prime] = Ti and/or Nb) has been studied by transmission electron microscopy. In addition to the previously reported n = 3 and 4 layered phases and the n = [infinity] parent perovskite, ordered and disordered intergrowth structures comprising the n = 2, 3, 4, and [infinity] members have been characterized. The effects of in situ reduction in the electron microscope were studied. 18 refs., 8 figs.
- OSTI ID:
- 6239189
- Journal Information:
- Journal of Solid State Chemistry; (United States), Journal Name: Journal of Solid State Chemistry; (United States) Vol. 103:2; ISSN 0022-4596; ISSN JSSCBI
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
CHEMICAL REACTIONS
ELECTRON MICROSCOPY
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MICROSCOPY
MINERALS
NIOBIUM COMPOUNDS
NIOBIUM OXIDES
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PEROVSKITE
PEROVSKITES
RARE EARTH COMPOUNDS
REDUCTION
REFRACTORY METAL COMPOUNDS
STOICHIOMETRY
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSMISSION ELECTRON MICROSCOPY
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
CHEMICAL REACTIONS
ELECTRON MICROSCOPY
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MICROSCOPY
MINERALS
NIOBIUM COMPOUNDS
NIOBIUM OXIDES
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PEROVSKITE
PEROVSKITES
RARE EARTH COMPOUNDS
REDUCTION
REFRACTORY METAL COMPOUNDS
STOICHIOMETRY
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSMISSION ELECTRON MICROSCOPY