Electron irradiation induced amorphization in YBa/sub 2/Cu/sub 3/O/sub 7/ and GdBa/sub 2/Cu/sub 3/O/sub 7/ superconductors
Journal Article
·
· Appl. Phys. Lett.; (United States)
Transmission electron microscope specimens of the oxide superconductors YBa/sub 2/Cu/sub 3/O/sub 7/ and GdBa/sub 2/Cu/sub 3/O/sub 7/ have been irradiated at 35 K with 1 MeV electrons and doses up to 1.5 x 10/sup 23/ e/cm/sup 2/. Electron diffraction data show the two different superconductors do not respond similarly with GdBa/sub 2/Cu/sub 3/O/sub 7/ being more resistant to amorphization than YBa/sub 2/Cu/sub 3/O/sub 7/. Amorphization appears to be dependent on displacements occurring at the Y/Gd lattice site. In addition, it appears that within each material, the electron dose required to initiate amorphization is lower for grain boundary irradiations relative to large single grain irradiations.
- Research Organization:
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545
- OSTI ID:
- 6932859
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 53:14; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360206* -- Ceramics
Cermets
& Refractories-- Radiation Effects
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
AMORPHOUS STATE
BARIUM COMPOUNDS
BARIUM OXIDES
BEAMS
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL STRUCTURE
CRYSTALLIZATION
DIFFRACTION
ELECTRON BEAMS
ELECTRON DIFFRACTION
ELECTRON MICROSCOPY
GADOLINIUM COMPOUNDS
GADOLINIUM OXIDES
GRAIN BOUNDARIES
LEPTON BEAMS
MICROSCOPY
MICROSTRUCTURE
OXIDES
OXYGEN COMPOUNDS
PARTICLE BEAMS
PHASE TRANSFORMATIONS
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
RARE EARTH COMPOUNDS
SCATTERING
TRANSITION ELEMENT COMPOUNDS
TRANSMISSION ELECTRON MICROSCOPY
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360206* -- Ceramics
Cermets
& Refractories-- Radiation Effects
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
AMORPHOUS STATE
BARIUM COMPOUNDS
BARIUM OXIDES
BEAMS
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL STRUCTURE
CRYSTALLIZATION
DIFFRACTION
ELECTRON BEAMS
ELECTRON DIFFRACTION
ELECTRON MICROSCOPY
GADOLINIUM COMPOUNDS
GADOLINIUM OXIDES
GRAIN BOUNDARIES
LEPTON BEAMS
MICROSCOPY
MICROSTRUCTURE
OXIDES
OXYGEN COMPOUNDS
PARTICLE BEAMS
PHASE TRANSFORMATIONS
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
RARE EARTH COMPOUNDS
SCATTERING
TRANSITION ELEMENT COMPOUNDS
TRANSMISSION ELECTRON MICROSCOPY
YTTRIUM COMPOUNDS
YTTRIUM OXIDES