Electron Paramagnetic Resonance Studies of Vanadyl Doped K1.98 (NH4)0.02(C2O4)2.H2O System

Pant, Navin; Verma, A. L.; Pandey, S. D.; Kripal, Ram

doi:10.1007/s40009-018-0644-z

Cited by 2 publications

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“…Moreover, we are interested in studying the structural changes using an electron spin resonance technique and also where paramagnetic vanadyl ions act as useful probes for electron paramagnetic resonance (EPR) investigations [2]. Many optical absorption and EPR studies are reported for vanadyl ions doped in a number of host lattices [3][4][5][6][7] and changes in energy levels/parameters are observed from one host to another.…”

Section: Introductionmentioning

confidence: 99%

Effect of vanadyl doping on relative intensities of factor group split Raman bands in potassium oxalate monohydrate

2019

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We report Raman spectral studies of pure potassium oxalate monohydrate, K 2 C 2 O 4 • H 2 O (POM) and its doped varieties with 1 and 5% vanadyl concentrations at room temperature. Apart from many other interesting changes in the Raman spectra on doping with VO 2+ , one of the most intriguing observations is the change in relative intensities of factor group split components of several Raman bands including some bands in the lattice mode region. We have explained the relative intensity changes of factor group split components in terms of locking of adjacent C 2 O 4 −H 2 O−C 2 O 4 −H 2 O chains due to vanadyl doping in the POM lattice. The reduction in the intensities of water bands on vanadyl doping also supports this view.

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