Optical studies of the ferroelastic phase transitions in Rb3H(SeO4)2, (NH4)3H(SO4)2 and (NH4)3H(SeO4)2 |
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| Authors: | W. Schranz P. Dolinar A. Fuith H. Warhanek |
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| Affiliation: | 1. Institute of Experimental Physics, Vienna University , 1090 , Wien , Austria;2. Institute of Experimental Physics, Vienna University , 1090 , Wien , Austria;3. University of Ljubljana , Ljubljana , Yugoslavia |
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| Abstract: | Optical observations of growth twins and ferroelastic domains and measurements of the rotation of the optical indicatrix were carried out for Rb3H(SeO4)2 and (NH4)3H(SO4)2 using an optical microscope. Taking into account the symmetry reduction from the rhombohedral (R | |
| Keywords: | Ferroelasticity domains birefringence |
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