Calculation of nuclear quadrupole splitting in high- Tc superconductors
Journal Article
·
· Physical Review, B: Condensed Matter; (USA)
- Departamento de Fisica, Comision Nacional de Energia Atomica, Avenida del Libertador 8250, 1429 Buenos Aires (Argentina)
The electric-field gradient at the Cu site in YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} is calculated using the molecular orbitals obtained from a cluster calculation. The effects of the cluster geometry, cluster charge, and orbital occupation are studied, and the relation to nuclear-quadrupole-resonance frequencies is discussed. The same type of calculation is performed for clusters with Fe replacing Cu and compared with results of Moessbauer spectra.
- OSTI ID:
- 6419042
- Journal Information:
- Physical Review, B: Condensed Matter; (USA), Journal Name: Physical Review, B: Condensed Matter; (USA) Vol. 42:7; ISSN 0163-1829; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Effect of oxygen deficit on the state of iron atoms and {sup 57}Fe Moessbauer spectral parameters in YBa{sub 2}(Cu{sub 1-x}Fe{sub x}){sub 3}O{sub 6.0} by the results of X{sub {alpha}}-DV calculations
Calculation of the nuclear quadrupole resonance spectra of YBa/sub 2/Cu/sub 3/O/sub 7/minus/x/
Journal Article
·
Mon Aug 01 00:00:00 EDT 1988
· Phys. Rev. B: Condens. Matter; (United States)
·
OSTI ID:6866178
Effect of oxygen deficit on the state of iron atoms and {sup 57}Fe Moessbauer spectral parameters in YBa{sub 2}(Cu{sub 1-x}Fe{sub x}){sub 3}O{sub 6.0} by the results of X{sub {alpha}}-DV calculations
Journal Article
·
Fri Dec 31 23:00:00 EST 1993
· Journal of Structural Chemistry
·
OSTI ID:39277
Calculation of the nuclear quadrupole resonance spectra of YBa/sub 2/Cu/sub 3/O/sub 7/minus/x/
Conference
·
Thu Jun 01 00:00:00 EDT 1989
·
OSTI ID:5757607
Related Subjects
36 MATERIALS SCIENCE
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
656100* -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER 63
COPPER COMPOUNDS
COPPER ISOTOPES
COPPER OXIDES
CRYSTAL FIELD
EVEN-ODD NUCLEI
HIGH-TC SUPERCONDUCTORS
INTERMEDIATE MASS NUCLEI
IRON 57
IRON ISOTOPES
ISOTOPES
MOESSBAUER EFFECT
NUCLEAR QUADRUPOLE RESONANCE
NUCLEI
ODD-EVEN NUCLEI
OXIDES
OXYGEN COMPOUNDS
RESONANCE
STABLE ISOTOPES
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
656100* -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER 63
COPPER COMPOUNDS
COPPER ISOTOPES
COPPER OXIDES
CRYSTAL FIELD
EVEN-ODD NUCLEI
HIGH-TC SUPERCONDUCTORS
INTERMEDIATE MASS NUCLEI
IRON 57
IRON ISOTOPES
ISOTOPES
MOESSBAUER EFFECT
NUCLEAR QUADRUPOLE RESONANCE
NUCLEI
ODD-EVEN NUCLEI
OXIDES
OXYGEN COMPOUNDS
RESONANCE
STABLE ISOTOPES
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES