New transition metal phosphates related to KTiOPO[sub 4]. Synthesis of K[sub 0. 5]M[sub 0. 5]M[prime][sub 0. 5]OPO[sub 4] (M = Nb, Ta; M[prime] = Ti, V) and K[sub 1-x]Ti[sub 1-x]V[sub x]OPO[sub 4] exhibiting nonlinear optical behavior
Journal Article
·
· Journal of Solid State Chemistry; (United States)
- Indian Institute of Science, Bangalore (India)
Several transition metal phosphates of the general formula KM[sub 0.5]M[prime][sub 0.5]OPO[sub 4], where M = Nb[sup V] or Ta[sup V] and M[prime] = Ti[sup III], V[sup III], Cr[sup III], Fe[sup III], possessing the KTiOPO[sub 4] (KTP) structure have been synthesized. Unlike KTP, none of these phosphates exhibit second harmonic generation (SHG) of the 1064-nm radiation. Soft-chemical oxidation of the Ti[sup III] and V[sup III] phosphates using chlorine in CHCl[sub 3], however, restores the SHG property to the oxidized materials, K[sub 0.5]M[sub 0.5]M[prime][sub 0.5]OPO[sub 4] (M = Nb[sup V], Ta[sup V]; M[prime] = Ti[sup IV], V[sup IV]). K[sub 1-x]Ti[sub 1-x]V[sub x]OPO[sub 4] (x [le] 0.25) prepared similarly from KTi[sub 1-x]V[sub x]OPO[sub 4] also exhibit SHG. The results reveal that exclusive presence of d[sup 0] cations at the Ti[sup IV] site preserves the SHG response of KTP derivatives.
- OSTI ID:
- 7071905
- Journal Information:
- Journal of Solid State Chemistry; (United States), Journal Name: Journal of Solid State Chemistry; (United States) Vol. 111:1; ISSN 0022-4596; ISSN JSSCBI
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
360606* -- Other Materials-- Physical Properties-- (1992-)
ALKALI METAL COMPOUNDS
CHEMICAL PREPARATION
NIOBIUM COMPOUNDS
NIOBIUM PHOSPHATES
NONLINEAR OPTICS
OPTICAL PROPERTIES
OPTICS
OXYGEN COMPOUNDS
PHOSPHATES
PHOSPHORUS COMPOUNDS
PHYSICAL PROPERTIES
POTASSIUM COMPOUNDS
POTASSIUM PHOSPHATES
REFRACTORY METAL COMPOUNDS
STOICHIOMETRY
SYNTHESIS
TANTALUM COMPOUNDS
TANTALUM PHOSPHATES
TITANIUM COMPOUNDS
TITANIUM PHOSPHATES
TRANSITION ELEMENT COMPOUNDS
VANADIUM COMPOUNDS
VANADIUM PHOSPHATES
360601 -- Other Materials-- Preparation & Manufacture
360606* -- Other Materials-- Physical Properties-- (1992-)
ALKALI METAL COMPOUNDS
CHEMICAL PREPARATION
NIOBIUM COMPOUNDS
NIOBIUM PHOSPHATES
NONLINEAR OPTICS
OPTICAL PROPERTIES
OPTICS
OXYGEN COMPOUNDS
PHOSPHATES
PHOSPHORUS COMPOUNDS
PHYSICAL PROPERTIES
POTASSIUM COMPOUNDS
POTASSIUM PHOSPHATES
REFRACTORY METAL COMPOUNDS
STOICHIOMETRY
SYNTHESIS
TANTALUM COMPOUNDS
TANTALUM PHOSPHATES
TITANIUM COMPOUNDS
TITANIUM PHOSPHATES
TRANSITION ELEMENT COMPOUNDS
VANADIUM COMPOUNDS
VANADIUM PHOSPHATES