Electron Spin Resonance of V4+  Ions in K2O-B2O3-V2O5  Glasses

Author(s)	J.S. Phor, M.P.S. Gill, Anita Phor, Saumya
Country	India
Abstract	In the present work the ESR study of potassium borovanadate (K2O-B2O3-V2O5) glasses is reported at room temperature and liquid nitrogen temperature. The spectra at liquid nitrogen temperature is similar to at room temperature except the indusial hyperfine lines are sharper and more intense which might be ascribed to a spin-lattice relaxation effect. The ESR parameters were calculated at room temperature and shows that in-plane π bonding is somewhat covalent and covalency is nearly independent of concentration of K2O. The octahedral site with a tetragonal compression gives g value in the order g׀׀< g< ge(=2.0023). It is observed that the V4+ ions in the present sample exist as VO2+ ions in octahedral coordination with a tetragonal compression and belong to C4v symmetry.
Keywords	E.S.R., Borate glasses, Spin-Hmiltonian
Field	Physics
Published In	Volume 5, Issue 1, January-February 2023
Published On	2023-02-16
Cite This	Electron Spin Resonance of V4+ Ions in K2O-B2O3-V2O5 Glasses - J.S. Phor, M.P.S. Gill, Anita Phor, Saumya - IJFMR Volume 5, Issue 1, January-February 2023. DOI 10.36948/ijfmr.2023.v05i01.1622
DOI	https://doi.org/10.36948/ijfmr.2023.v05i01.1622
Short DOI	https://doi.org/grtwpj

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