Published February 1992 | Version v1
Journal article Metadata-only

The marginal Fermi liquid hypothesis and magnetic fluctuations in La1.95Ba0.05CuO4

Creators

  • 1. AT and T Bell Labs., Murray Hill, NJ (United States)
  • 2. Los Alamos National Lab., NM (United States)
  • 3. H.H. Wills Physics Lab., Univ. of Bristol (United Kingdom)
  • 4. Oak Ridge National Lab., TN (United States)
  • 5. Sandoz Optoelectronics, Basel (Switzerland)

Description

We report inelastic neutron scattering measurements on a single crystal of La1.95Ba0.05CuO4. The magnetic correlation length does not change on warming to temperatures as high as 250 K. The magnetic response and its temperature dependence may be described by a temperature dependent local susceptibility of a form compatible with the marginal Fermi liquid hypothesis. In particular, we find a magnetic relaxation rate which varies as ℎΓ∝0.5 kBT for the metallic regime of our sample. (orig.)

Additional details

Publishing Information

Journal Title
Journal of Magnetism and Magnetic Materials
Journal Volume
104-107
Journal Issue
pt.1
Series
J. Magn. Magn. Mater.
Journal Page Range
507-508
ISSN
0304-8853
CODEN
JMMMD

Conference

Title
International conference on magnetism.
Dates
2-6 Sep 1991.
Place
Edinburgh (United Kingdom).

INIS

Country of Publication
Netherlands
Country of Input or Organization
Netherlands
INIS RN
23062100
Subject category
S36: MATERIALS SCIENCE; S36: MATERIALS SCIENCE;
Resource subtype / Literary indicator
Conference
Descriptors DEI
BARIUM OXIDES; COPPER OXIDES; FERMI LEVEL; FLUCTUATIONS; HIGH-TC SUPERCONDUCTORS; INELASTIC SCATTERING; LANTHANUM OXIDES; LIQUIDS; MAGNETIC FIELDS; MAGNETIC PROPERTIES; MAGNETIC SUSCEPTIBILITY; MONOCRYSTALS; NEUTRON DIFFRACTION; QUATERNARY COMPOUNDS; RELAXATION; TEMPERATURE DEPENDENCE; TEMPERATURE RANGE 0013-0065 K; TEMPERATURE RANGE 0065-0273 K
Descriptors DEC
ALKALINE EARTH METAL COMPOUNDS; AMINES; BARIUM COMPOUNDS; CHALCOGENIDES; COHERENT SCATTERING; COPPER COMPOUNDS; CRYSTALS; DIFFRACTION; ENERGY LEVELS; FLUIDS; LANTHANUM COMPOUNDS; ORGANIC COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RARE EARTH COMPOUNDS; SCATTERING; SUPERCONDUCTORS; TEMPERATURE RANGE; TRANSITION ELEMENT COMPOUNDS; VARIATIONS