English

EPR of photochromic Mo3+ in SrTiO3

Materials Science 2010-03-09 v1
Authors: Th. W. Kool
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Abstract

In single crystals of SrTiO_3, a paramagnetic center, characterized by S = 3/2 and hyperfine interaction with an I = 5/2 nuclear spin has been observed in the temperature range 4.2K-77K by means of EPR. The impurity center is attributed to Mo3+. No additional line splitting in the EPR spectrum due to the 105K phase transition has been observed. At 4.2K the following spin Hamiltonian parameters for this impurity ion were obtained: g = 1.9546\pm0.0010 and A = (32.0\pm0.05)\times10^-4 cm^-1.

Keywords

electron paramagnetic resonance strontium titanate molybdenum ion photochromism spin hamiltonian hyperfine interaction

Cite

@article{arxiv.1003.1448,
  title  = {EPR of photochromic Mo3+ in SrTiO3},
  author = {Th. W. Kool},
  journal= {arXiv preprint arXiv:1003.1448},
  year   = {2010}
}

Comments

5 pages, 2 figures

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