Abstract
This chapter gives an overview of the main radiation defects in the group IV elemental semiconductors silicon and germanium and their Sil-X,Gex alloys (x the percentage fraction). As shown in Chap. 2, a high energetic particle or ion may loose part of its energy by interaction with the nuclei of the target material. This initially results in the creation of vacancy-interstitial pairs, of which only a small fraction escapes direct recombination. These intrinsic point defects are generally highly mobile and may, therefore, interact with other point defects and impurities to form more stable radiation defects. The nature of these defects depends strongly on the irradiation and/or annealing temperature, so that different damage regimes can be identified. Usually, increasing the annealing temperature leads to a further clustering or aggregation of the point defects into larger, more stable defects. Small clusters may, however, also directly form in the ‘cluster damage’ region induced by high energy neutrons or ions, where a high density of primary V-I pairs is created.
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© 2002 Springer-Verlag Berlin Heidelberg
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Claeys, C., Simoen, E. (2002). Displacement Damage in Group IV Semiconductor Materials. In: Radiation Effects in Advanced Semiconductor Materials and Devices. Springer Series in Materials Science, vol 57. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-04974-7_3
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DOI: https://doi.org/10.1007/978-3-662-04974-7_3
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