Lovas G. Emission spectroscopy of germanium disulfide based chalcogenide glasses and surface degradation during natural aging

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0416U004408

Thesis Registration Form

0416U004408.pdf

Applicant for

Specialization

  • 01.04.07 - Фізика твердого тіла

23-09-2016

Specialized Academic Board

Д 76.051.01

Essay

Dissertation is devoted to study of the relationship between structure and photoluminescent (PL) emission properties of bulk GeS2 glasses, obtained with different thermal history. Within the nano-heteromorphic glass-forming theory, by using the experimental, teoretical and spectroscopic methods this study is confirmed the hypothesis of the formation of mixed middle range order in g-GeS2 with ring fragments of two-dimensional layered, high-temperature alfa-GeS2 and three-dimensional, low-temperature beta-GeS2 crystalline phases. The model of surface degradation during aging under natural conditions is proposed.

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