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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 inthe temperature range 4.2K-77K by means of EPR. The impurity center isattributed to Mo3+. No additional line splitting in the EPR spectrum due to the105K phase transition has been observed. At 4.2K the following spin Hamiltonianparameters for this impurity ion were obtained: g = 1.9546\pm0.0010 and A =32.0\pm0.05\times10^-4 cm^-1.



Author: Th.W. Kool

Source: https://arxiv.org/



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