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1997 | 92 | 3 | 557-562
Article title

Optical and Dilatometric Manifestations of Phase Transitions in K_{2}SeO_{4} Crystal

Content
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Languages of publication
EN
Abstracts
EN
Temperature dependencies of the characteristic optical paths difference D(Τ) of K2SeO4 crystal in the range of 80-295 K were measured using the Jamen type interferometer. Significant anomalies of D(Τ) dependencies in the vicinity of incommensurate-paraelectric phase transition (T_{i} = 130 K) are observed. On the basis of D(Τ) temperature dependencies measured experimentally and linear expansion l(Τ) known, the temperature derivative of the refractive indices dn/dT are found to be negative in the ranges above and below the temperature T_{i}=130 K.
Keywords
EN
Year
Volume
92
Issue
3
Pages
557-562
Physical description
Dates
published
1997-09
received
1997-04-23
References
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv92z309kz
Identifiers
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