Amorphous Chalcogenides: Advances and Applications by Rong Ping Wang

By Rong Ping Wang

This ebook offers a entire assessment of the chalcogenide glass technology and diverse purposes in response to the glasses. It begins with a overview at the glass-forming skill of varied platforms, by means of a dialogue at the structural and actual homes of varied chalcolgenide glasses and their software in built-in optics. The chapters were contributed by way of fashionable specialists from in all places the Read more...

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In particular, the mechanical properties should show a clear trend with since ϐloppy networks are expected to be more easily deformable [42]. This trend was indeed demonstrated experimentally by measuring the elastic constant of Ge–As–Se glasses as a function of [15]. 4 when overconstrained domains interconnect and rigidity percolates through the glass network [10]. 4, as depicted in Fig. 1 for the Ge–Se system [18]. 4 have also been reported for As–Se glasses [43]. 5 kg. (b) Brittleness versus for the binary Ge–Se system at room temperature (RT) as well as –80°C.

References 1 Eggleton B. , Chalcogenide photonics. , 5, 141–148 (2011). 2 Sanghera J. , Shaw L. , Busse L. , Nguyen V. , Pureza P. , Cole B. , Harbison B. , Aggarwal I. , Development and infrared appilications of chalcogenide glass optical ϐibers. , 19, 251 (2000). , Riley M. , Advances in chalcogenide ϐiber evanescent wave biochemical sensing. Anal. , 351, 1–10 (2006). , Demonstration of chalcogenide glass racetrack microresonators. Opt. , 33, 761–763 (2008). , Fah M. , Reynolds K. , Sexton J.

4 and reveal a trend almost identical to that of the kinetic fragility [21]. With a few minor exceptions, the entropy– 25 26 Relaxation and Fragility in Chalcogenide Network Glasses temperature and viscosity–temperature plots show the same trend and conϐirm the thermodynamic connection to the fragility of glassforming liquids. 4 Scaled excess entropy versus Tg-scaled inverse temperature. The excess entropy corresponds to the entropy of the liquid minus that of the corresponding crystal, and it is scaled by the value of excess entropy at Tg so that all curves converge at Tg.

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