Published April 1992 | Version v1
Journal article Metadata-only

Ultrasonic spectroscopy of La2 Cu O4 crystal in the vicinity of tetra-ortho phase transition

Creators

  • 1. AN Ukrainskoj SSR, Kharkov (Ukraine). Fiziko-Tekhnicheskij Inst.
  • 2. Rostovskij-na-Donu Gosudarstvennyj Univ., Rostov-na-Donu (Russian Federation). Nauchno-Issledovatel'skij Inst. Fiziki

Description

The processing of the experimental data on the sound propagation in La2 Cu O4 in the vicinity of the structural tetra-ortho transition permits finding the type of properties of the soft phonon mode and the character of the unit cell deformation

Additional details

Additional titles

Original title (Russian)
Ультпазвуковая спектроскопия кристалла Ла

Publishing Information

Journal Title
Fizika Nizkikh Temperatur
Journal Volume
18
Journal Issue
4
Journal Page Range
p. 412-416.
ISSN
0132-6414
CODEN
FNTAA5

INIS

Country of Publication
Ukraine
Country of Input or Organization
Ukraine
INIS RN
24071588
Subject category
S36: MATERIALS SCIENCE;
Descriptors DEI
ANISOTROPY; BRILLOUIN ZONES; CRYSTAL LATTICES; CRYSTAL-PHASE TRANSFORMATIONS; CUPRATES; LANTHANUM COMPOUNDS; PHONONS; TENSORS; TRANSITION TEMPERATURE; ULTRASONIC WAVES; VELOCITY; WAVE PROPAGATION
Descriptors DEC
COPPER COMPOUNDS; CRYSTAL STRUCTURE; OXYGEN COMPOUNDS; PHASE TRANSFORMATIONS; PHYSICAL PROPERTIES; QUASI PARTICLES; RARE EARTH COMPOUNDS; SOUND WAVES; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS; ZONES