The influence of metallic substitution on the physical properties of manganese mercury thiyocyanate crystals

Autor:	Ginson P. Joseph, K. Raja Rajan, Preema C. Thomas, P. Sagayaraj, Jagannathan Madhavan, M. Vimalan, I. Korah
Rok vydání:	2007
Předmět:	Dopant Thermal decomposition Doping Analytical chemistry Mineralogy chemistry.chemical_element General Chemistry Manganese Condensed Matter Physics Indentation hardness Crystal Metal chemistry visual_art visual_art.visual_art_medium General Materials Science Single crystal
Zdroj:	Crystal Research and Technology. 42:295-299
ISSN:	1521-4079 0232-1300
DOI:	10.1002/crat.200610816
Popis:	Good optical grade single crystals of pure, Cd2+ and Mg2+ doped Manganese Mercury Thiyocyanate (MMTC) crystals are grown by slow solvent evaporation technique at room temperature. Single crystal XRD studies reveal that the incorporation of metallic dopants has not changed the structure of the parent crystal. The SHG efficiencies of the pure and doped samples of MMTC are measured by Kurtz Perry powder method and the results are compared with urea. It is evident from microhardness study that the presence of dopants has increased the mechanical strength of MMTC crystal. The TG/DTG studies confirm that the thermal decomposition temperatures of pure (353°C), Mg2+ doped (363°C) and Cd2+ doped (365°C) MMTC are relatively high when compared to other NLO crystals of the same family. (© 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
Databáze:	OpenAIRE
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