Accession Number : AD0693815
Title : LOW-TEMPERATURE LUMINESCENCE ANOMALIES OF ANTIFERROMAGNETIC CRYSTALS,
Corporate Author : FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
Personal Author(s) : Eremenko,V. V. ; Matyushkin,E. V.
Report Date : 31 JAN 1969
Pagination or Media Count : 6
Abstract : Low temperature luminescence anomalies of MnF2 crystals were studied. The luminescence spectra were studed by means of a prism monochromator. The intensity of luminescence was recorded by the EEU-17A photomultiplier. The three optical transitions in MnF2 were studied by means of the monochromatic light. The phonon intensity decreases rapidly with a decrease in temperature from 77 to 20 degrees K. It is proposed that the luminescence anomalies observed in antiferromagnetic crystals are associated with the condensation of local magnetic vibrations.
Descriptors : (*CRYSTALS, *LUMINESCENCE), ANTIFERROMAGNETISM, MANGANESE COMPOUNDS, CRYOGENICS, ABSORPTION SPECTRA, ELECTRON TRANSITIONS, ANOMALIES, USSR
Subject Categories : Crystallography
Distribution Statement : APPROVED FOR PUBLIC RELEASE