Theoretical Studies of ESR Parameters and Local Lattice Structure of the Vanadate-Lithium-Borate Glasses

• Authors: W. Feng , M. Zhao , T. Li , X. Zhang , J. Xue
• Languages of publication: EN

Abstracts

EN

Electron spin resonance spectral parameters of V^{4+} ions in vanadate-lithium-borate glasses have been calculated by the crystal-field theory. The theoretical results are g_{∥ } = 1.940, g_{⊥} = 1.983 and A_{∥ } = -175×10^{-4} cm^{-1}, A_{⊥} = -65×10^{-4} cm^{-1} which are good agreement with the experimental values (g_{∥ } = 1.939(3), g_{⊥} = 1.998(3) and A_{∥ } = (170.6-176.4)×10^{-4} cm^{-1}, A_{⊥} = (61.3-71.4)×10^{-4} cm^{-1}). In addition, the bond lengths of the local lattice structure are, respectively, R_{∥ } = 1.5 Å and R_{⊥} = 1.95 Å which have been shown to have a compressed tetrahedral geometry along the C_4 axis.

Keywords

EN

71.70.Ch; 75.10.Dg; 61.72.Bb; 76.30.Fc

Discipline

• 61.72.Bb: Theories and models of crystal defects
• 71.70.Ch: Crystal and ligand fields
• 76.30.Fc: Iron group (3d) ions and impurities (Ti-Cu)
• 75.10.Dg: Crystal-field theory and spin Hamiltonians(see also 71.70.Ch Crystal and ligand fields)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2012
• Volume: 122
• Issue: 1
• Pages: 167-169

Dates

published

2012-07

received

2011-10-01

(unknown)

2012-02-01

(unknown)

2012-02-04

Contributors

author

W. Feng

• Department of Applied Physics, Chongqing University of Technology, Chongqing 400054, China
• Chongqing Key Laboratory of Time Grating Sensing & Advanced Testing Technology, Chongqing, 400054, China
• Department of Electronic Information and Automation, Chongqing University of Technology, Chongqing 400054, China

author

M. Zhao

• International Centre for Materials Physics, Chinese Academy of Sciences, Shenyang 110016, China

author

T. Li

• Department of Applied Physics, Chongqing University of Technology, Chongqing 400054, China

author

X. Zhang

• Department of Applied Physics, Chongqing University of Technology, Chongqing 400054, China

author

J. Xue

• International Centre for Materials Physics, Chinese Academy of Sciences, Shenyang 110016, China

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Identifiers

DOI

10.12693/APhysPolA.122.167