Optical properties of aluminum oxide after irradiation with cobalt ions; Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques; Vol. 3, iss. 2
| Parent link: | Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques: Scientific Journal Vol. 3, iss. 2.— 2009.— [P. 304-312] |
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| المؤلف الرئيسي: | |
| مؤلفون آخرون: | |
| الملخص: | Title screen Optical absorption of leucoosapphire and polycrystalline corund (polycor) is studied after irradiation with cobalt ions and subsequent annealing in a vacuum. The structure of states localized in the forbidden band and induced by various imperfections has a higher stability to annealing as compared to the case of implantation of other types of ions into aluminum oxide. The fan-like behavior of the dose-dependent absorption spectra is a consequence of the defect-induced disordering of crystal lattices. It is determined that intrinsic radiation-induced defects, substitutional defects, complexes containing them, and Co nanoparticles have an influence on the parameters of the focal point of the absorption spectra. The parameters of the interband and exponential absorption demonstrate the formation of a new multidefect material with a band gap width ranging from 5.3 to 5.5 eV and an absorption edge at 2.0–5.2 eV caused by the localized states of defect clusters. Режим доступа: по договору с организацией-держателем ресурса |
| اللغة: | الإنجليزية |
| منشور في: |
2009
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| الموضوعات: | |
| الوصول للمادة أونلاين: | http://link.springer.com/article/10.1134%2FS1027451009020256 |
| التنسيق: | الكتروني فصل الكتاب |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=637357 |
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| 200 | 1 | |a Optical properties of aluminum oxide after irradiation with cobalt ions |f A. V. Kabyshev, F. V. Konusov | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [Ref.: p.312 (35 tit.)] | ||
| 330 | |a Optical absorption of leucoosapphire and polycrystalline corund (polycor) is studied after irradiation with cobalt ions and subsequent annealing in a vacuum. The structure of states localized in the forbidden band and induced by various imperfections has a higher stability to annealing as compared to the case of implantation of other types of ions into aluminum oxide. The fan-like behavior of the dose-dependent absorption spectra is a consequence of the defect-induced disordering of crystal lattices. It is determined that intrinsic radiation-induced defects, substitutional defects, complexes containing them, and Co nanoparticles have an influence on the parameters of the focal point of the absorption spectra. The parameters of the interband and exponential absorption demonstrate the formation of a new multidefect material with a band gap width ranging from 5.3 to 5.5 eV and an absorption edge at 2.0–5.2 eV caused by the localized states of defect clusters. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques |o Scientific Journal | ||
| 463 | |t Vol. 3, iss. 2 |v [P. 304-312] |d 2009 | ||
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| 701 | 1 | |a Konusov |b F. V. |c physicist |c Lead Engineer of Tomsk Polytechnic University, Candidate of physical and mathematical sciences |f 1958- |g Fedor Valerievich |3 (RuTPU)RU\TPU\pers\32570 |9 16491 | |
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