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American Institute of Physics, Journal of Applied Physics, 4(113), p. 044116

DOI: 10.1063/1.4789602

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Electron irradiation induced reduction of the permittivity in chalcogenide glass (As2S3) thin film

Journal article published in 2012 by Damián P. San-Román-Alerigi, Dalaver H. Anjum, Yaping Zhang, Xiaoming Yang, Ahmed Benslimane, Tien K. Ng, Mohamed N. Hedhili ORCID, Mohammad Alsunaidi, Boon S. Ooi
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We investigate the effect of electron beam irradiation on the dielectric properties of As2S3 Chalcogenide glass. By means of low-loss Electron Energy Loss Spectroscopy, we derive the permittivity function, its dispersive relation, and calculate the refractive index and absorption coefficients under the constant permeability approximation. The measured and calculated results show, to the best of our knowledge, a heretofore unseen phenomenon: the reduction in the permittivity of