Enhanced nonlinear optical activity and Ca^sup 2+^-conductivity in Ca^sub 10.5-x^Pb^sub x^(VO^sub 4^)^sub 7^ ferroelectrics

Ca3(VO4)2-based compositions are considered as promising multifunctional materials combining ferroelectric, optical nonlinear, and Ca2+-ion conductive properties. Their ferroelectric Curie points stretch from minimal for β-Ca3(PO4)2-type compounds temperatures of about 800 K to very high. Investigat...

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