R. Poonguzhali, R. Venkatesan, T. M. Rajendiran, P. S. Rao, R. V. S. S. N. Ravikumar, Y. P. Reddy: Spectral Studies on VO<SUP>2+</SUP> doped MPPH Crystals

Crystal Research and Technology

Cryst. Res. Technol. 35 (2000) 1203 - Abstract -

R. Poonguzhali, R. Venkatesan, T. M. Rajendiran, P. S. Rao, R. V. S. S. N. Ravikumar*, Y. P. Reddy*

Department of Chemistry, University of Pondicherry, Pondicherry, India
*Dept. of Physics, S.V.University, Tirupati, India

Spectral Studies on VO²⁺ doped MPPH Crystals

Magnesium Potassium Phosphate Hexahydrate (MPPH), is analogous to the bio-mineral struvite. Vanadyl doped MPPH crystals are grown by slow evaporation technique. EPR and optical absorption studies are carried out at room and liquid nitrogen temperatures. Spin-Hamiltonian, crystal field and bonding parameters are evaluated.

Keywords: Vanadyl, tetragonal symmetry, optical properties, EPR, Magnesium Potassium Phosphate Hexahydrate (MPPH)

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