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https://elar.rsvpu.ru/handle/123456789/15154
Название: | Influence of heat treatment on the transparency of silicate thin films in the near-IR range |
Автор: | Shardakov, N. T. Byzov, I. V. Pankratov, A. A. Kochedykov, V. A. |
Дата публикации: | 2008 |
Аннотация: | The influence of heat treatment on the transmission of silicate thin films prepared by gelation from aqueous solutions of sodium silicate (water glass) is investigated. It is demonstrated that the initial films are characterized by a strong absorption in the IR range due to the presence of hydroxyl groups. The heat treatment of the films at temperatures in the range 150-250°C leads to the step-by-step removal of water from the films and, as a consequence, to an almost complete transmission in the high-frequency IR spectral range. An increase in the heat treatment temperature to 580°C is accompanied by the loss of transparency, most likely, as a result of the pore formation in the film. © 2008 MAIK Nauka. |
Ключевые слова: | ABSORPTION ALKALI METALS COAGULATION COATINGS COLLOIDS GELATION HEAT TREATING FURNACES HEAT TREATMENT IRIDIUM METAL ANALYSIS OPTICAL PROPERTIES OPTICS SILICATES SILICON COMPOUNDS SODIUM SOLIDS SOLUTIONS THICK FILMS THIN FILMS TRANSPARENCY WATER RECYCLING AQUEOUS SOLUTIONS HEAT TREATMENT TEMPERATURE (HTT) HIGH-FREQUENCY (HF) HYDROXYL GROUPS NEAR-IR PORE FORMATIONS SILICATE THIN FILMS SODIUM SILICATES SPECTRAL RANGES STEP-BY-STEP WATER GLASS WATER TREATMENT |
ISSN: | 1087-6596 |
DOI: | 10.1134/S1087659608030103 |
SCOPUS: | 45749110211 |
WoS: | 000256965600010 |
Располагается в коллекциях: | Научные публикации, проиндексированные в SCOPUS и WoS |
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