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Photostructural Changes and Electrical Switching in Amorphous Chalcogenides: Bond Waves in Thin Films

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DOI: 10.4236/ns.2018.102007    324 Downloads   573 Views

ABSTRACT

Photostructural changes and electrical switching are the well-known features of amorphous chalcogenides, also known as glassy semiconductors. Although the both phenomena were intensively studied experimentally and have a wide practical application, their nature is debated up to now. I propose a new approach that considers glass as a self-organizing system owing to characteristic instability of chemical bonding in the form of bond wave. The bond wave model is shown to be suitable for explanation of the observed effects in thin films under the action of light or electrical field, a result that opens a new way for understanding and managing the processes in glassy semiconductors.

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Chechetkina, E. (2018) Photostructural Changes and Electrical Switching in Amorphous Chalcogenides: Bond Waves in Thin Films. Natural Science, 10, 70-80. doi: 10.4236/ns.2018.102007.

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