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Proof of the Acceptor State of the Trigonal Iron-Boron Pair in Silicon by Electron Paramagnetic Resonance Measurements

Published online by Cambridge University Press:  03 September 2012

W. Gehlhoff  and
U. Rehse
W. Gehlhoff
Affiliation:
AG EPR im Wissenschaftler-Integrations-Programm, Rudower Chaussee 5, D/O-l 199 Berlin
U. Rehse
Affiliation:
AG EPR im Wissenschaftler-Integrations-Programm, Rudower Chaussee 5, D/O-l 199 Berlin
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Abstract

For the first time the acceptor state of iron-boron pairs the occurence of which are suggested by electrical measurements and theoretical considerations is directly proved by EPR measurements. The corresponding EPR spectrum is observed upon suitable illumination of samples which have been co-doped with boron and iron. It shows trigonal symmetry, and the fine-structure pattern can be described with the spin S = l, the g-values gi ∼ 2.1345±0.0001, gi = 2.1345±0.0004 and the zero-field splitting parameter |D| = (1.418±0.001) cm−1.

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References

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