Diffuse x-ray scattering from La[sub 2[minus][ital x]]Sr[sub [ital x]]NiO[sub 4] and La[sub 2[minus][ital y]]Sr[sub [ital y]]CuO[sub 4]
Journal Article
·
· Physical Review Letters; (United States)
- AT T Bell Laboratories, 600 Mountain Ave, Murray Hill, New Jersey 07974 (United States) Oak Ridge Insitute for Science and Education, Brookhaven National Laboratory , Upton, New York 11973 (United States) Department of Chemical Engineering, Colburn Laboratory, University of Delaware, Newark, Delaware 19716 (United States)
We use synchrotron x-ray scattering from La[sub 1.8]Sr[sub 0.2]NiO[sub 4] and La[sub 1.925]Sr[sub 0.075]CuO[sub 4] to establish a direct relationship between carriers due to Sr doping and strong diffuse scattering. In the nickelate the scattering is peaked at the fourfold symmetric satellite positions ([plus minus][delta],[plus minus][delta],[ital l]), where the basal-plane coordinate [delta] varies with the out-of-plane coordinate [ital l] of the momentum transfer. A similar scattering pattern is observed in the cuprate but with smaller values for [delta].
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 7205505
- Journal Information:
- Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 72:21; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
665100 -- Nuclear Techniques in Condensed Matter Physics -- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOYS
BREMSSTRAHLUNG
CARRIER DENSITY
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL DOPING
DIFFRACTION
ELECTROMAGNETIC RADIATION
HIGH-TC SUPERCONDUCTORS
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
NICKEL COMPOUNDS
NICKEL OXIDES
OXIDES
OXYGEN COMPOUNDS
RADIATIONS
RARE EARTH COMPOUNDS
SCATTERING
STRONTIUM ADDITIONS
STRONTIUM ALLOYS
SUPERCONDUCTORS
SYNCHROTRON RADIATION
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
665100 -- Nuclear Techniques in Condensed Matter Physics -- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOYS
BREMSSTRAHLUNG
CARRIER DENSITY
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL DOPING
DIFFRACTION
ELECTROMAGNETIC RADIATION
HIGH-TC SUPERCONDUCTORS
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
NICKEL COMPOUNDS
NICKEL OXIDES
OXIDES
OXYGEN COMPOUNDS
RADIATIONS
RARE EARTH COMPOUNDS
SCATTERING
STRONTIUM ADDITIONS
STRONTIUM ALLOYS
SUPERCONDUCTORS
SYNCHROTRON RADIATION
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION