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Information × Registration Number 0206U009502, 0101U006333 , R & D reports Title Investigation of correlation the nanostructural forming and optical properties of chalcogenide glasses and films of Ge-As-S system. popup.stage_title Head Fekeshgazi Ishtvan Vintseyevich, Registration Date 25-12-2006 Organization Institute of Semiconductor Physics of NAS of Ukraine popup.description2 Using the Program " Gaussian 94" the model of account of varying spectra of structural units of glasses of system Ge-As-S is advanced, the technological modes of synthesis of the given concentration structures of glasses of system Ge-As-S are fulfilled and experimental samples are made, the methods of the control are analysed and their optical quality is established. The frequencies of fluctuations of structural units As2S3, As4S4, As3/3 and As2S4/2 in кластерных groupings of binary connections халькогенидной of system Ge-As-S are designed. From the analysis of Raman resonant spectra of glasses AsхS1-х the presence in a matrix of structure glassy g-As2S3 with. About. As3/2, As3/3, As2S44/2 is revealed. For c-As2S3 the model fragment clasters is offered, in which are realized of S-S bindings. In the AsХS1-Х glasses, enriched with sulfur, S the microinclusions deformed pyramidal of AsS3 and clasters As2S5 are revealed. Using the Program " Gaussіan 94 ", the model of account of varying spectra of structural units of glasses of system Ge-As-S is advanced, the technological modes of synthesis of the given concentration structures of glasses of system Ge-As-S are fulfilled and experimental samples are made, the methods of the control and establishment of their optical quality are analysed. As a result of updating a package of the quantum-chemical programs "Gamess (US)", the geometrical parameters and frequencies of IR and Raman spectra for clasters of connections AsхS1-Х and GeхS1-х, their nuclear configuration, energy of formation(education) are designed. Their spectral characteristics and communication(connection) with technological conditions of synthesis of glasses of system Ge-As-S experimentally are investigated. Product Description popup.authors popup.nrat_date 2020-04-02 Close