Muon spin rotation studies of layered and superoxygenated HTSC and related compounds
Conference
·
· Virginia Journal of Science; (United States)
OSTI ID:5682732
- Virginia State Univ., Petersburg, VA (United States)
- Univ. of Saskatchewan, Saskatoon (Canada)
- Univ. Konstanz (Germany)
- Univ. of British Columbia, Vancouver (Canada)
- Institut de Ciencia de Materials, Barcelona (Spain)
Measurements of the [mu][sup +] spin rotation and depolarization reveal that La[sub 2]SrCu[sub 2]O[sub 6+[delta]] and La[sub 2]CaCu[sub 2]O[sub 6+[delta]] display magnetic ordering similar to that of La[sub 2[minus]x]Sr[sub x]CuO[sub 4[minus]y] and YBa[sub 2]Cu[sub 3]O[sub x]. Superconductivity was detected in La[sub 2]CaCu[sub 2]O[sub 6+[delta]] ([delta] [ge] 0.05), with the onset near 45K and accompanied by a change in the [mu][sup +] spin precession signals from the majority AFM phase. This was not seen in La[sub 2]SrCu[sub 2]O[sub 6+[delta]]. This behavior was attributed to mobility and local clustering of intercalated oxygen excess in the layer between the CuO[sub 2] planes.
- OSTI ID:
- 5682732
- Report Number(s):
- CONF-9205376--
- Conference Information:
- Journal Name: Virginia Journal of Science; (United States) Journal Volume: 43:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360602* -- Other Materials-- Structure & Phase Studies
360606 -- Other Materials-- Physical Properties-- (1992-)
360607 -- Other Materials-- Superconducting Properties-- (1992-)
ALKALINE EARTH METAL COMPOUNDS
ANGULAR MOMENTUM
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
DEPOLARIZATION
ELEMENTARY PARTICLES
FERMIONS
HIGH-TC SUPERCONDUCTORS
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
LEPTONS
MAGNETIC PROPERTIES
MOLECULAR STRUCTURE
MOTION
MUONS
OXIDES
OXYGEN COMPOUNDS
PARTICLE PROPERTIES
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
ROTATION
SPECTROSCOPY
SPIN
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
360602* -- Other Materials-- Structure & Phase Studies
360606 -- Other Materials-- Physical Properties-- (1992-)
360607 -- Other Materials-- Superconducting Properties-- (1992-)
ALKALINE EARTH METAL COMPOUNDS
ANGULAR MOMENTUM
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
DEPOLARIZATION
ELEMENTARY PARTICLES
FERMIONS
HIGH-TC SUPERCONDUCTORS
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
LEPTONS
MAGNETIC PROPERTIES
MOLECULAR STRUCTURE
MOTION
MUONS
OXIDES
OXYGEN COMPOUNDS
PARTICLE PROPERTIES
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
ROTATION
SPECTROSCOPY
SPIN
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS