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Energy spectrum of CsDy(MoO/sub 4/)/sub 2/ in the vicinity of the structural phase transition

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Abstract

The magnetic susceptibilities of CsDy(MoO/sub 4/)/sub 2/ and CsDy(MoO/sub 4/)/sub 2/+10%Eu/sup 3 +/ were measured in the temperature range 4 to 70 K and the frequency range 200 Hz to 20 MHz. The observed spin-lattice relaxation of the Dy/sup 3 +/ ion is found to be exponential with the relaxation time as a function of temperature tau/sup -1/=A exp (-..delta../kT) with ..delta..=105+-20 and 250+-40 cm/sup -1/ for CsDy(MoO/sub 4/)/sub 2/ in ranges 10-20 K and 20-38 K, respectively, and ..delta..=22.4+-5 cm for C=sDy(MoO/sub 4/)/sub 2/+10%Eu/sup 3 +/. The energies ..delta..105+-20 and 250 -40cm/sup -1/ are suggested to correspond to the first and second excited levels of Dy/sup 3 +/ in the low temperature phase of CsDy(MoO/sub 4/)/sub 2/, and ..delta..=22.4+-5 cm/sup -1/ to the first excited level of Dy/sup 3 +/ in the high temperature phase of the compound.
Authors:
Khats'ko, E N; Chernyj, A S [1] 
  1. AN Ukrainskoj SSR, Kharkov. Fiziko-Tekhnicheskij Inst. Nizkikh Temperatur
Publication Date:
Aug 01, 1981
Product Type:
Journal Article
Reference Number:
AIX-14-725871; EDB-83-050850
Resource Relation:
Journal Name: Fiz. Nizk. Temp. (Kiev); (Ukrainian SSR); Journal Volume: 7:8
Subject:
36 MATERIALS SCIENCE; CESIUM COMPOUNDS; MAGNETIC SUSCEPTIBILITY; DYSPROSIUM COMPOUNDS; MOLYBDATES; ENERGY SPECTRA; EUROPIUM ADDITIONS; KHZ RANGE; MHZ RANGE 01-100; PHASE TRANSFORMATIONS; SPIN-LATTICE RELAXATION; TEMPERATURE DEPENDENCE; ULTRALOW TEMPERATURE; ALKALI METAL COMPOUNDS; ALLOYS; EUROPIUM ALLOYS; FREQUENCY RANGE; MAGNETIC PROPERTIES; MHZ RANGE; MOLYBDENUM COMPOUNDS; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RARE EARTH ADDITIONS; RARE EARTH ALLOYS; RARE EARTH COMPOUNDS; RELAXATION; SPECTRA; TRANSITION ELEMENT COMPOUNDS; 360603* - Materials- Properties
OSTI ID:
6771684
Country of Origin:
Ukraine
Language:
Russian
Other Identifying Numbers:
Journal ID: CODEN: FNTED
Submitting Site:
HEDB
Size:
Pages: 1048-1052
Announcement Date:
Feb 01, 1983

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Citation Formats

Khats'ko, E N, and Chernyj, A S. Energy spectrum of CsDy(MoO/sub 4/)/sub 2/ in the vicinity of the structural phase transition. Ukraine: N. p., 1981. Web.
Khats'ko, E N, & Chernyj, A S. Energy spectrum of CsDy(MoO/sub 4/)/sub 2/ in the vicinity of the structural phase transition. Ukraine.
Khats'ko, E N, and Chernyj, A S. 1981. "Energy spectrum of CsDy(MoO/sub 4/)/sub 2/ in the vicinity of the structural phase transition." Ukraine.
@misc{etde_6771684,
title = {Energy spectrum of CsDy(MoO/sub 4/)/sub 2/ in the vicinity of the structural phase transition}
 author = {Khats'ko, E N, and Chernyj, A S}
 abstractNote = {The magnetic susceptibilities of CsDy(MoO/sub 4/)/sub 2/ and CsDy(MoO/sub 4/)/sub 2/+10%Eu/sup 3 +/ were measured in the temperature range 4 to 70 K and the frequency range 200 Hz to 20 MHz. The observed spin-lattice relaxation of the Dy/sup 3 +/ ion is found to be exponential with the relaxation time as a function of temperature tau/sup -1/=A exp (-..delta../kT) with ..delta..=105+-20 and 250+-40 cm/sup -1/ for CsDy(MoO/sub 4/)/sub 2/ in ranges 10-20 K and 20-38 K, respectively, and ..delta..=22.4+-5 cm for C=sDy(MoO/sub 4/)/sub 2/+10%Eu/sup 3 +/. The energies ..delta..105+-20 and 250 -40cm/sup -1/ are suggested to correspond to the first and second excited levels of Dy/sup 3 +/ in the low temperature phase of CsDy(MoO/sub 4/)/sub 2/, and ..delta..=22.4+-5 cm/sup -1/ to the first excited level of Dy/sup 3 +/ in the high temperature phase of the compound.}
 journal = []
 volume = {7:8}
 journal type = {AC}
 place = {Ukraine}
 year = {1981}
 month = {Aug}
 }