Temperature-dependent thermo-mechanical and Raman spectroscopy study of the SRS-active melilite-type crystal Ca2ZnSi2O7 (hardystonite) at its incommensurate-commensurate phase transition

被引：8

作者：

Becker, Petra ^{[1
]}

Libowitzky, Eugen ^{[2
]}

Bohaty, Ladislav ^{[1
]}

Liebertz, Josef ^{[1
]}

Rhee, Hanjo ^{[3
]}

Eichler, Hans-Joachim ^{[3
]}

Kaminskii, Alexander A. ^{[4
]}

机构：

[1] Univ Cologne, Inst Crystallog, D-50939 Cologne, Germany

[2] Univ Vienna, Inst Mineral & Crystallog, A-1090 Vienna, Austria

[3] Tech Univ Berlin, Inst Opt & Atom Phys, D-10623 Berlin, Germany

[4] Russian Acad Sci, Inst Crystallog, Moscow 119333, Russia

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2012年 / 209卷 / 02期

关键词：

Ca2ZnSi2O7; hardystonite; stimulated Raman scattering; temperature-dependent Raman spectroscopy; thermal expansion; CASCADED CHI((3)); THERMAL-EXPANSION; HEAT-CAPACITY; AKERMANITE; BA2ZNGE2O7; SR2MGGE2O7; SR2ZNGE2O7; REFINEMENT; CA2MGSI2O7; CA2COSI2O7;

D O I：

10.1002/pssa.201127415

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Stimulated Raman scattering (SRS) active crystals of Ca2ZnSi2O7 (hardystonite) adopt a melilite-type structure at temperatures 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 temperature-dependent Raman spectroscopy investigations at the commensurate-incommensurate phase-transition and comparative SRS measurements in the high-temperature and in the low-temperature phase of Ca2ZnSi2O7 are reported. In addition, the commensurate-incommensurate phase transition is characterised by caloric and dilatometric measurements, and linear optical properties of the crystals are given. (c) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：327 / 334

页数：8

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