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Paramagnetic properties of ion-implanted polymer layers

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Abstract

Films of polyethylene, polyethylene terephthalate, and polyamine-6 implanted with B+ and N+ ions with an energy of 100 keV are investigated by an EPR method in a dose interval of 1·1014–1·1017 cm−2. It is shown that paramagnetic centers with g=2.0025 formed in the implanted polymers have a nature similar to the nature of paramagnetic centers of pyrolized and initially conducting polymers. Correspondence of the character of the variation in paramagnetic characteristics of the modified polymers to the model proposed earlier for the formation of pyrocarbon “drops” in ion implantation is revealed. The relaxation times for paramagnetic centers in the implanted polymer films are calculated and assumptions are made about the formation of a quasi-two-dimensional electron gas as well as the possibility of magnetic ordering in polymer-film layers modified by high-dosage implantation. The effect of oxygen on the electron states of the implanted polymer specimens is studied.

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Authors
  1. I. V. Kozlov
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  2. V. B. Odzhaev
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  3. V. N. Popok
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  4. I. I. Azarko
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  5. E. I. Kozlova
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Additional information

Belarusian State University, 4, Skorina Ave., Minsk, 220050 Belarus. Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 65, No. 4, pp. 562–567, July–August, 1998.

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Kozlov, I.V., Odzhaev, V.B., Popok, V.N. et al. Paramagnetic properties of ion-implanted polymer layers. J Appl Spectrosc 65, 583–588 (1998). https://doi.org/10.1007/BF02675652

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  • DOI: https://doi.org/10.1007/BF02675652

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