Temperature-dependent thermo-mechanical and Raman spectroscopy study of the SRS-active melilite-type crystal Ca2ZnSi2O7 (hardystonite) at its incommensurate-commensurate phase transition
- Autor(en)
- Petra Becker, Eugen Libowitzky, Ladislav Bohaty, Josef Liebertz, Hanjo Rhee, Hans-Joachim Eichler, Alexander A. Kaminskii
- Abstrakt
Stimulated Raman scattering (SRS) active crystals of Ca2ZnSi2O7 (hardystonite) adopt a melilite-type structure at temps. above ca. 402 K, while at ambient conditions they show a two-dimensionally incommensurate structure modulation. To study the influence of the incommensurability of the structure on SRS-based .chi.(3)-nonlinear lasing of the crystals temp.-dependent Raman spectroscopy investigations at the commensurate-incommensurate phase-transition and comparative SRS measurements in the high-temp. and in the low-temp. phase of Ca2ZnSi2O7 are reported. In addn., the commensurate-incommensurate phase transition is characterised by caloric and dilatometric measurements, and linear optical properties of the crystals are given.
- Organisation(en)
- Institut für Mineralogie und Kristallographie
- Externe Organisation(en)
- Universität zu Köln, Technische Universität Berlin, Russian Academy of Sciences
- Journal
- Physica Status Solidi. A: Applications and Materials Science
- Band
- 209
- Seiten
- 327-334
- Anzahl der Seiten
- 8
- ISSN
- 1862-6300
- Publikationsdatum
- 2012
- Peer-reviewed
- Ja
- ÖFOS 2012
- 105113 Kristallographie, 1030 Physik, Astronomie, 105116 Mineralogie
- Link zum Portal
- https://ucrisportal.univie.ac.at/de/publications/8591a223-6ac2-456c-bdac-b0a1c7181630