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A Method for Reducing the Threshold Dose of Irradiation with Hydrogen Ions for Forming Blisters in Silicon

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Abstract

We consider the conditions for reducing the threshold dose of radiation-gas splitting of a silicon single crystal by using a fixed-energy two-stage irradiation with hydrogen ions in a single production cycle. It has been experimentally established that a well-developed blister structure is formed in a sample in the mode of its two-stage irradiation with hydrogen ions with E = 12.5 keV and a dose of 0.5 × 1016 cm–2 at a normal angle of incidence at the first stage and, then, with a dose of 1.0 × 1016 cm−2 at an angle of 32° at the second stage (the total dose is 1.5 × 1016 cm–2). This structure is similar to the structure in a sample irradiated in the mode of single-stage irradiation to a dose of 5 × 1016 cm–2. This fact is the indication that the conditions for more than a threefold decrease in the threshold for the formation of hydrogen blisters in silicon upon twostage irradiation with monoenergetic hydrogen ions in a single production cycle.

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Correspondence to V. F. Reutov.

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Original Russian Text © V.F. Reutov, S.N. Dmitriev, A.G. Zaluzhnyi, 2018, published in Pribory i Tekhnika Eksperimenta, 2018, No. 2, pp. 146–149.

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Reutov, V.F., Dmitriev, S.N. & Zaluzhnyi, A.G. A Method for Reducing the Threshold Dose of Irradiation with Hydrogen Ions for Forming Blisters in Silicon. Instrum Exp Tech 61, 313–316 (2018). https://doi.org/10.1134/S0020441218020197

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  • DOI: https://doi.org/10.1134/S0020441218020197

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