Thermally stimulated luminescence from rare-earth-doped barium copper oxides
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
We report the first thermally stimulated luminescence (TSL) and emission-spectra measurements of x-ray-induced defects in Ho/sub 1.5/Ba/sub 1.5/Cu/sub 2/O/sub x/ and GdBa/sub 2/Cu/sub 3/O/sub x/ in the temperature interval 80--300 K. The Gd-doped oxide exhibits a single TSL glow peak at 195 K with concomitant single-band emission with maximum at 500 nm. Two TSL glow peaks (160 and 172 K) are observed in Ho/sub 1.5/Ba/sub 1.5/Cu/sub 2/O/sub x/, whose spectral emission is characterized by complex, temperature-dependent maxima at 450 and 660 nm. Possible defect mechanisms are discussed.
- Research Organization:
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545
- OSTI ID:
- 6089859
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 36:4; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
ELEMENTS
EMISSION SPECTRA
ENERGY GAP
EQUATIONS
GADOLINIUM COMPOUNDS
GADOLINIUM OXIDES
HOLMIUM COMPOUNDS
HOLMIUM OXIDES
KINETIC EQUATIONS
LOW TEMPERATURE
LUMINESCENCE
MEDIUM TEMPERATURE
NONMETALS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PHYSICAL RADIATION EFFECTS
POINT DEFECTS
RADIATION EFFECTS
RARE EARTH COMPOUNDS
SPECTRA
TEMPERATURE DEPENDENCE
TEMPERATURE EFFECTS
THERMOLUMINESCENCE
TRANSITION ELEMENT COMPOUNDS
VACANCIES
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
ELEMENTS
EMISSION SPECTRA
ENERGY GAP
EQUATIONS
GADOLINIUM COMPOUNDS
GADOLINIUM OXIDES
HOLMIUM COMPOUNDS
HOLMIUM OXIDES
KINETIC EQUATIONS
LOW TEMPERATURE
LUMINESCENCE
MEDIUM TEMPERATURE
NONMETALS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PHYSICAL RADIATION EFFECTS
POINT DEFECTS
RADIATION EFFECTS
RARE EARTH COMPOUNDS
SPECTRA
TEMPERATURE DEPENDENCE
TEMPERATURE EFFECTS
THERMOLUMINESCENCE
TRANSITION ELEMENT COMPOUNDS
VACANCIES