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IR spectra of fused silica irradiated by fast neutrons

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Abstract

IR spectroscopy has been used to study the process of structural damage and changes in some characteristics of fused silica irradiated by fast neutrons over a very broad fluence range (1017–1021 cm−2). Features of the change in spectral characteristics of the bending and stretching vibrations of the bridge bonds have been identified, and also a comparative analysis has been carried out with radiation-induced changes in a series of optical spectra in the UV and visible regions, and structural parameters and other characteristics of wafers irradiated by different fluences. A correspondence has been established between the features of the radiation-induced changes in the optical, luminescence, and structural properties, and extremal points have been observed on the dose dependences. Based on the results obtained, a mechanism of radiation-induced rearrangement of the silica structure is suggested.

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Authors and Affiliations

  1. Institute of Nuclear Physics, Academy of Sciences of the Republic of Uzbekistan, pos. Ulugbek, Tashkent, 702132, Uzbekistan

    I. Kh. Abdukadyrova

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  1. I. Kh. Abdukadyrova
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Correspondence to I. Kh. Abdukadyrova.

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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 73, No. 4, pp. 494–497, July–August, 2006.

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Abdukadyrova, I.K. IR spectra of fused silica irradiated by fast neutrons. J Appl Spectrosc 73, 557–561 (2006). https://doi.org/10.1007/s10812-006-0117-x

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  • DOI: https://doi.org/10.1007/s10812-006-0117-x

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