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- Title
On isotropic states in α-LiNHSO crystals.
- Authors
Stadnyk, V.; Brezvin, R.; Rudysh, M.; Shchepanskyi, P.; Gaba, V.; Kogut, Z.
- Abstract
The spectral and baric dependences of the birefringence of α-LiNHSO crystals are studied. It is found that the birefringence is rather sensitive to uniaxial compressions. A baric shift of the isotropic point to longer or shorter wavelengths depending on the uniaxial compression direction is observed and a generalized temperature-spectral-baric diagram of the isotropic state is plotted. A possibility of the appearance of a pseudoisotropic state under the action of uniaxial pressure σ or simultaneous pressures σ = σ is shown.
- Subjects
CRYSTALS; SPECTRUM analysis; BIREFRINGENCE; WAVELENGTHS; ISOTROPIC properties; PHASE transitions
- Publication
Optics & Spectroscopy, 2014, Vol 117, Issue 5, p756
- ISSN
0030-400X
- Publication type
Article
- DOI
10.1134/S0030400X14110216