Structural properties of Sr{sub 0.61}Ba{sub 0.39}Nb{sub 2}O{sub 6} in the temperature range 10-500 K investigated by high-resolution neutron powder diffraction and specific heat measurements

We report high-resolution neutron powder diffraction on Sr{sub 0.61}Ba{sub 0.39}Nb{sub 2}O{sub 6} in the temperature range 15-500 K. The results indicate that the low-temperature anomalies (T{

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Bibliographic Details
Published in:Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2006-10, Vol.74 (13)
Main Authors: Schefer, J., Pomjakushin, V., Stuhr, U., Schaniel, D., Woike, Th, Petricek, V., Woehlecke, M., Imlau, M.
Format: Article
Language:English
Subjects:
ANISOTROPY
BARIUM COMPOUNDS
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
FERROELECTRIC MATERIALS
MODULATION
NEUTRON DIFFRACTION
NIOBATES
PERMITTIVITY
PHASE TRANSFORMATIONS
RESOLUTION
SPECIFIC HEAT
STRONTIUM COMPOUNDS
TEMPERATURE DEPENDENCE
THERMAL EXPANSION
X-RAY DIFFRACTION
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Description
Summary:We report high-resolution neutron powder diffraction on Sr{sub 0.61}Ba{sub 0.39}Nb{sub 2}O{sub 6} in the temperature range 15-500 K. The results indicate that the low-temperature anomalies (T{
ISSN:1098-0121
1550-235X
DOI:10.1103/PHYSREVB.74.134103