Abstract
We have investigated nickel in silicon samples with a wide range of initial doping concentrations by EPR, DLTS and photo-EPR techniques. Our results show that the two different Ni-centers which were observed previously by EPR, but whose structure could not be interpreted unambiguously, are both associated with Ni in a substitutional position. They are distinguished by their charges and by slightly different displacements from the ideal substitutional site. A model for the Ni+ s-center is suggested which explains the symmetry of this center.
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71.55.Cn; 76.30.Fc
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Effey-Schwickert, B., Wiegand, M., Vollmer, H. et al. Nickel in silicon studied by electron paramagnetic resonance. Appl. Phys. A 77, 711–716 (2003). https://doi.org/10.1007/s00339-002-1891-9
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DOI: https://doi.org/10.1007/s00339-002-1891-9