Development of aluminium-based metal-dielectric structures with energy-saving properties
DOI:
https://doi.org/10.15587/1729-4061.2014.32055Keywords:
metal-dielectric structures, nanoscale layers, spectral-selective characteristics, energy-saving, numerical simulationAbstract
The spectral-selective characteristics of transparent metal-dielectric structures with energy-saving properties based on nanoscale aluminum layers are investigated. The technique for calculating reflection and transmission coefficients of metal-dielectric structures based on the transfer matrix method which allows to determine the relationship between the electromagnetic response of the metal-dielectric coating with microstructure and optical parameters of its components is presented.
The results of numerical simulation of the spectral-selective characteristics of reflection and transmission coefficients of optically transparent metal-dielectric structures with nanoscale aluminum layers with a thickness of 1-100 nm and antireflection coatings based on aluminum oxide or nitride with a thickness of 200 nm are given. It was found that aluminum-based coatings with thicknesses of up to 5 nm have low-emissivity properties, and with thicknesses of more than 20 nm - reflexive properties. Recommendations on practical use of aluminum-based metal-dielectric structures in energy-saving technologies and possibilities of technological formation of such structures in a single process cycle by vacuum reactive ion-plasma sputtering are presented.
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Copyright (c) 2014 Александра Владимировна Борисова, Владимир Григорьевич Вербицкий, Александр Викторович Мачулянский, Михаил Кузьмич Родионов
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