Article | REF: E1995 V2

GaN-based HEMT devices - Materials and epitaxy

Author: Jean-Claude DE JAEGER

Publication date: August 10, 2017 | Lire en français

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    4. Glossary

    coefficient of thermal expansion: coefficient de dilatation thermique

    Coefficient measuring the relative increase in volume of a semiconductor when the temperature is varied.

    conductivité thermique: thermal conductivity

    Physical quantity characterizing the behavior of semiconductors during conduction heat transfer. It represents the energy (quantity of heat) transferred per unit area and time under a temperature gradient of 1 K.m -1 .

    wurtzite crystal structure; wurtzite crystal structure

    Crystal structure of many binary compounds belonging to the hexagonal crystal system and which is non-centrosymmetrical (without central symmetry). Wurtzite-type crystals generally possess properties such as piezoelectricity and pyroelectricity....

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