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Site symmetry of Mn(II) and Co(II) in zinc phosphate glass |
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| Authors: | R.V.S.S.N. Ravikumar K. Ikeda Y.P. Reddy Jun Yamauchi |
| Affiliation: | a Department of Advanced Materials Science and Engineering, Yamaguchi University, 2-16-1, Tokiwadai, Ube 755-8611, Japan b Department of Physics, S.P.W. Junior College, Tirupati 517502, India c Department of Physics, Sri Venkateswara University, Tirupati 517502, India d Department of Chemistry, University of Pondicherry, Pondicherry, India e Graduate School of Human and Environmental Studies, Kyoto University, Nihonomastsu, Yoshida, Kyoto 606-8501, Japan |
| Abstract: | Optical absorption and EPR spectra of Mn(II) and Co(II) doped zinc phosphate glasses have been investigated. Crystal filed parameters and g values are determined. For Mn(II) doped glass the values are Dq=850, B=850,  and g values are around 2 at room temperature (RT). For Co(II) doped glass, Dq=890, B=700,  and g=4.45 and 2.06 at liquid nitrogen temperature. The optical and EPR data has been correlated. |
| Keywords: | A. Glasses D. Crystal fields D. Electron paramagnetic resonance (EPR) |
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