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Proceedings Paper

Radiation damage and surface modification of InSb(111) by MeV C+ and C2+ ions
Author(s): Goutam Kuri; Tzuen Rong Yang
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Paper Abstract

The damage accumulation at the surface as well as deeper regions in InSb bombarded with MeV C+ and C2+ ions have been studied. Mirror polished (111)-oriented InSb single crystal substrates were implanted wiht 1.00 MeV C+ and 2.00 MeV C2+ ions to a total fluence of 5x104 C-atoms/cm2 at room temperature. The retained damage following implantation was analyzed by Rutherford backscattering/channeling technique and Raman scattering experiment. Fourier Transform Infrared Spectroscopy (FTIR) have been used to study the dielectric behavior, optical as well as transport properties of the implanted specimens. The FTIR spectra were analyzed within the framework of a dielectric response model. The surface structure of the implanted wafers has been measured by atomic force microscopy. The results show that the response of InSb crystal to C+ ion bombardment is widely different when compared to that of C2+ implantation. A tentative explanation for the results have been presented.

Paper Details

Date Published: 11 July 2000
PDF: 8 pages
Proc. SPIE 4078, Optoelectronic Materials and Devices II, (11 July 2000);
Show Author Affiliations
Goutam Kuri, National Taiwan Normal Univ. (Germany)
Tzuen Rong Yang, National Taiwan Normal Univ. (Taiwan)

Published in SPIE Proceedings Vol. 4078:
Optoelectronic Materials and Devices II
Yan-Kuin Su; Pallab Bhattacharya, Editor(s)

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