Двопроменезаломлюючi властивостi одновiсно стиснутих кристалiв K2SO4
The influence of the uniaxial mechanical pressure om < 200 bar on the temperature dependence of the birefringence Δni in K2SO4 crystals in an interval of 300–1000 K has been studied. The uniaxial pressure was found to affect only the magnitude but not the behavior of dΔni=dT. A signi...
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| Datum: | 2018 |
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| Hauptverfasser: | , , , , |
| Format: | Artikel |
| Sprache: | English Ukrainian |
| Veröffentlicht: |
Publishing house "Academperiodika"
2018
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| Schlagworte: | |
| Online Zugang: | https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018360 |
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| Назва журналу: | Ukrainian Journal of Physics |
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Ukrainian Journal of Physics| Zusammenfassung: | The influence of the uniaxial mechanical pressure om < 200 bar on the temperature dependence of the birefringence Δni in K2SO4 crystals in an interval of 300–1000 K has been studied. The uniaxial pressure was found to affect only the magnitude but not the behavior of dΔni=dT. A significant baric shift of the ferroelastic phase transition point toward higher (for ox) and lower (for oy and oz pressures) temperatures was observed, as well as a baric shift of the temperature interval, where the intermediate phase exists, near the phase transition point. |
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