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Electron paramagnetic resonance study of Eu2+ centers in melt-grown CsBr single crystals

(2012) PHYSICAL REVIEW B. 85(14).
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Abstract
The structure of Eu2+ monomer centers in CsBr single crystals is investigated using electron paramagnetic resonance (EPR) spectroscopy. These centers are produced by heating the melt-grown crystals above 600 K in vacuum followed by a rapid quench to room temperature (RT) or 77 K. The angular dependence of their EPR spectrum demonstrates that these centers have cubic symmetry. At RT the EPR spectrum decays by aggregation of the Eu2+ ions. This strongly contrasts with the situation for CsBr:Eu needle image plates synthesized by physical vapor deposition, where the Eu2+-related EPR spectrum was observed to exhibit long-term stability at RT.
Keywords
Eu2+ centers, Eu2+ ions, melt-grown CsBr:Eu single crystals, Electron paramagnetic resonance, EPR, cubic, symmetry

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Citation

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Chicago
Vrielinck, Henk, Dmitry Zverev, P Leblans, J-P Tahon, Paul Matthys, and Freddy Callens. 2012. “Electron Paramagnetic Resonance Study of Eu2+ Centers in Melt-grown CsBr Single Crystals.” Physical Review B 85 (14).
APA
Vrielinck, H., Zverev, D., Leblans, P., Tahon, J.-P., Matthys, P., & Callens, F. (2012). Electron paramagnetic resonance study of Eu2+ centers in melt-grown CsBr single crystals. PHYSICAL REVIEW B, 85(14).
Vancouver
1.
Vrielinck H, Zverev D, Leblans P, Tahon J-P, Matthys P, Callens F. Electron paramagnetic resonance study of Eu2+ centers in melt-grown CsBr single crystals. PHYSICAL REVIEW B. 2012;85(14).
MLA
Vrielinck, Henk, Dmitry Zverev, P Leblans, et al. “Electron Paramagnetic Resonance Study of Eu2+ Centers in Melt-grown CsBr Single Crystals.” PHYSICAL REVIEW B 85.14 (2012): n. pag. Print.
@article{2119042,
  abstract     = {The structure of Eu2+ monomer centers in CsBr single crystals is investigated using electron paramagnetic resonance (EPR) spectroscopy. These centers are produced by heating the melt-grown crystals above 600 K in vacuum followed by a rapid quench to room temperature (RT) or 77 K. The angular dependence of their EPR spectrum demonstrates that these centers have cubic symmetry. At RT the EPR spectrum decays by aggregation of the Eu2+ ions. This strongly contrasts with the situation for CsBr:Eu needle image plates synthesized by physical vapor deposition, where the Eu2+-related EPR spectrum was observed to exhibit long-term stability at RT.},
  articleno    = {144119},
  author       = {Vrielinck, Henk and Zverev, Dmitry and Leblans, P and Tahon, J-P and Matthys, Paul and Callens, Freddy},
  issn         = {1098-0121},
  journal      = {PHYSICAL REVIEW B},
  keyword      = {Eu2+ centers,Eu2+ ions,melt-grown CsBr:Eu single crystals,Electron paramagnetic resonance,EPR,cubic,symmetry},
  language     = {eng},
  number       = {14},
  pages        = {7},
  title        = {Electron paramagnetic resonance study of Eu2+ centers in melt-grown CsBr single crystals},
  url          = {http://dx.doi.org/10.1103/PhysRevB.85.144119},
  volume       = {85},
  year         = {2012},
}

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