Published 1988 | Version v1
Book Metadata-only

Fermi surface in La/sub 2/CuO/sub 4-δ/ determine by positron 2D-ACAR

Creators

  • 1. Institute of Materials Science, Univ. of Tsukuba, Sakura-mura, Ibaraki 305 (Japan)

Description

The topology of the Fermi surface in La/sub 2/CuO/sub 4-δ/ is determined by two dimensional angular correlation measurements of annihilation radiations (2D-ACAR) at room temperature. The determined Fermi surface is two dimensional and has a slender electron pillar along ΓZ and two kinds of hole pillars along PX and along NN direction parallel to ΓZ, respectively. It is concluded that the Fermi surface is not a simple half filled one and this compound should be metallic at least at room temperature in the band picture

Additional details

Publishing Information

Publisher
Materials Research Society.
Imprint Place
Pittsburgh, PA (USA)
ISBN
0-931837-67-7
Imprint Title
High-temperature superconductors
Journal Page Range
p. 57-62.

Conference

Title
Symposium on high temperature superconductors.
Dates
30 Nov - 5 Dec 1987.
Place
Boston, MA (USA).

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
20015230
Subject category
S36: MATERIALS SCIENCE; S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ANGULAR CORRELATION; ANNIHILATION; BAND THEORY; COPPER OXIDES; FERMI GAS MODEL; LANTHANUM OXIDES; MATHEMATICAL MANIFOLDS; POSITRON BEAMS; RADIATION EFFECTS; SOLID-STATE PLASMA; TOPOLOGY; TWO-DIMENSIONAL CALCULATIONS
Descriptors DEC
BEAMS; CHALCOGENIDES; COPPER COMPOUNDS; CORRELATIONS; INTERACTIONS; LANTHANUM COMPOUNDS; LEPTON BEAMS; MATHEMATICAL MODELS; MATHEMATICS; NUCLEAR MODELS; OXIDES; OXYGEN COMPOUNDS; PARTICLE BEAMS; PARTICLE INTERACTIONS; PLASMA; RARE EARTH COMPOUNDS; TRANSITION ELEMENT COMPOUNDS