Authors

A. Misiuk; W. Wierzchowski; K. Wieteska; A. Barcz; J. Bak-Misiuk; L. Chow; R. Vanfleet; M. Prujszczyk

Comments

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Abbreviated Journal Title

Acta Phys. Pol. A

Keywords

Silicon; Cr; Physics, Multidisciplinary

Abstract

It is known that processing of silicon implanted with vanadium, Si:V, at high temperature-pressure, HT-HP, can lead to magnetic ordering within the V-enriched area. New data concerning structure of Si:V (prepared using V(+) doses, D = (1-5) x 10(15) cm(-2), and energy, E = 200 keV), as implanted and processed for up to 10 h at HT < = 1400 K under enhanced hydrostatic pressure, HP < = 1.1 GPa, are presented. In effect of implantation, amorphous (a-Si) area is produced near range of implanted species. Transmission electron microscopy, secondary ion mass spectrometry, X-ray, and synchrotron methods were used for sample characterisation. At HT-HP the a-Si layer is subjected to solid phase epitaxial re-growth. Depending on HP, distinct solid phase epitaxial re-growth and formation of VSi(2) are observed at HT > = 720 K. HP applied at processing results in the improved solid phase epitaxial re-growth in Si:V. This can be related, among others, to the effect of HP on diffusivity of V(+) and of implantation-induced point defects. Our results can be useful for development of the new family of diluted magnetic semiconductors.

Journal Title

Acta Physica Polonica A

Volume

120

Issue/Number

1

Publication Date

1-1-2011

Document Type

Article; Proceedings Paper

Language

English

First Page

196

Last Page

199

WOS Identifier

WOS:000291512700051

ISSN

0587-4246

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