Recombination in Pb 0.83 Sn 0.17 Te at high levels of optical excitation | Zendy

Hoai T. X. | Zendy; Herrmann K. H. | Zendy

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Recombination in Pb 0.83 Sn 0.17 Te at high levels of optical excitation

Author(s) -

Hoai T. X.,

Herrmann K. H.

Publication year - 1977

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2220830212

Subject(s) - excitation , recombination , auger effect , atomic physics , photoconductivity , flux (metallurgy) , laser , analytical chemistry (journal) , materials science , auger , chemistry , physics , optics , optoelectronics , biochemistry , quantum mechanics , chromatography , metallurgy , gene

The photoconductivity and the photomagnetoelectric current in low‐concentration, high‐lifetime Pb 0.83 Sn 0.17 Te samples are measured at strong optical excitation using a Q‐switched ruby laser. At quantum flux Q > 2 × 10 21 cm −2 s −1 nonlinear recombination is observed. From the characteristics measured the coefficient of Auger recombination C = (4.5 ± 1) × 10 −27 cm 6 s −1 is obtained. The results are confirmed by lifetime data obtained at low excitation levels.

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