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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: https://www.scopus.com/record/display.uri?eid=2-s2.0-45749110211&origin=resultslist
Располагается в коллекциях:Научные публикации, проиндексированные в SCOPUS и WoS

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