Published July 1984 | Version v1
Report Open

Incommensurate pinning mechanism in KCP

Creators

  • 1. International Centre for Theoretical Physics, Trieste (Italy)
  • 2. Institutul de Fizica si Inginerie Nucleara, Bucharest (Romania)

Description

A new pinning mechanism (termed incommensurate) is put forward for K2Pt(CN)4Brsub(0.3)x3.2H2O(KCP) based on the Q-quasi-modulated distribution of the bromine anions (Br-bar) along the chain axis (Q/2 being the Fermi momentum reduced to the first Brillouin zone). The different origins of the direct current (d.c.) thermally-activated gap and optical gap are thereby explained. The spectrum of the collective excitations (amplitudons and phasons) and the dielectric function are calculated for the charge density wave (CDW) state. Fair agreement is obtained with the optical and neutron scattering data. (author)

Availability note (English)

MF available from INIS under the Report Number.

Files

16020293.pdf

Files (654.3 kB)

Name Size Download all
md5:43ad35fdc2127b79023ac8a159e53fc4
654.3 kB Preview Download

Additional details

Publishing Information

Imprint Pagination
40 p.
Report number
IC--84/90

INIS

Country of Publication
International Atomic Energy Agency (IAEA)
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
16020293
Subject category
S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
Descriptors DEI
ANIONS; BROMINE COMPOUNDS; CYANIDES; DISPERSION RELATIONS; DISTRIBUTION; EXCITATION; FREQUENCY DEPENDENCE; HAMILTONIANS; MOLECULAR STRUCTURE; NEUTRONS; OPTICAL PROPERTIES; PHONONS; PLATINUM COMPLEXES; POTASSIUM COMPOUNDS; SCATTERING
Descriptors DEC
ALKALI METAL COMPOUNDS; BARYONS; CHARGED PARTICLES; COMPLEXES; ELEMENTARY PARTICLES; ENERGY-LEVEL TRANSITIONS; FERMIONS; HADRONS; HALOGEN COMPOUNDS; IONS; MATHEMATICAL OPERATORS; NUCLEONS; PHYSICAL PROPERTIES; QUANTUM OPERATORS; QUASI PARTICLES; TRANSITION ELEMENT COMPLEXES

Optional Information

Notes
39 refs.