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Synthesis and characterization of ferroelectric magnesium hydrogen phosphate single crystals
Author(s) -
Desai C. C.,
Patel K. N.
Publication year - 1989
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170240709
Subject(s) - magnesium , ferroelectricity , crystal (programming language) , materials science , indentation hardness , crystal habit , hydrogen , chloride , crystallography , diffusion , inorganic chemistry , chemistry , mineralogy , crystallization , metallurgy , microstructure , dielectric , organic chemistry , optoelectronics , thermodynamics , programming language , computer science , physics
Ferroelectric Magnesium Hydrogen Phosphate MgHPO 4 (MHP) single crystals are grown by slow diffusion of magnesium chloride in sodium metasilicate gels impregnated with orthophosphoric acid. Bright and transparent prismatic, tabular, and isometric habit MHP crystals upto 3 × 2 × 1 mm 3 are obtained. Results of chemical, X‐ray diffraction, EDAX, microhardness and magnetic analysis are reported. The average etch pit density is determined by chemical etching to be 7 × 10 3 cm −2 . Microtopographic investigations revealed the mechanism of crystal growth.
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