Volume 0, Issue 2 pp. 694-697
Original Paper

Defect-impurity interactions in irradiated tin-doped Cz-Si crystals

L. I. Khirunenko

L. I. Khirunenko

Institute of Physics of The Ukrainian Academy of Sciences, Prospekt Nauki 46, 03028 Kiev, Ukraine

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O. A. Kobzar

O. A. Kobzar

Institute of Physics of The Ukrainian Academy of Sciences, Prospekt Nauki 46, 03028 Kiev, Ukraine

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Yu. V. Pomozov

Yu. V. Pomozov

Institute of Physics of The Ukrainian Academy of Sciences, Prospekt Nauki 46, 03028 Kiev, Ukraine

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M. G. Sosnin

M. G. Sosnin

Institute of Physics of The Ukrainian Academy of Sciences, Prospekt Nauki 46, 03028 Kiev, Ukraine

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N. A. Tripachko

N. A. Tripachko

Institute of Physics of The Ukrainian Academy of Sciences, Prospekt Nauki 46, 03028 Kiev, Ukraine

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V. P. Markevich

Corresponding Author

V. P. Markevich

Centre for Electronic Materials, UMIST, Sackville Street, Manchester M60 1QD, UK

Institute of Solid State and Semiconductor Physics, P. Brovki str. 17, 220072 Minsk, Belarus

Phone: +44 161 2004746, Fax: +44 161 2004770Search for more papers by this author
L. I. Murin

L. I. Murin

Institute of Solid State and Semiconductor Physics, P. Brovki str. 17, 220072 Minsk, Belarus

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A. R. Peaker

A. R. Peaker

Centre for Electronic Materials, UMIST, Sackville Street, Manchester M60 1QD, UK

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First published: 27 January 2003
Citations: 13

Abstract

Results of a combined infrared absorption (IR) and deep-level transient spectroscopy (DLTS) study of defects induced by irradiation with fast electrons in Sn-doped Czochralski-grown Si crystals are reported. Tin atoms were found to interact effectively with vacancy as well as with interstitial-type radiation-induced defects. Manifestations of stable tin-vacancy and tin-interstitial carbon atom complexes were observed in DLTS and IR absorption spectra. Defect transformations upon heat-treatments of the irradiated samples were studied. Tin atoms were found to be effective traps for mobile vacancy–oxygen (V–O) complexes. A local vibrational mode of a Sn–V–O complex has been identified.

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