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Polarization Fields in Wurtzite Strained Layers Grown on () Planes by Bernard Gil; Pierre Bigenwald; Olivier Briot is a Physics and Astronomy article available to read on EtoBox.

What is Polarization Fields in Wurtzite Strained Layers Grown on () Planes about?

We calculate spontaneous and piezoelectric polarization fields in wurtzite crystals via the utilization of crystallography considerations, and elasticity theory. As an application of it, we derive equations appropriate to GaN-Ga 1-x In x N quantum wells, heterostructures that have impact in realizing blue light emitting solid state devices, grown on (hk ) planes. We show that some specific crystal orientations lead to a cancelation of the Quantum Confined Stark Effect in such heterostructures, whilst other orientations lead to a reduction of the density of elastic energy stored in the Ga 1-x In x N layers. This imposes a compromise for device designers, if it is to improve the light emission efficiency of the related devices.

Who reads Polarization Fields in Wurtzite Strained Layers Grown on () Planes?

Author

Bernard Gil; Pierre Bigenwald; Olivier Briot

Publisher

Elsevier Science; Elsevier ; Elsevier Inc.; Elsevier BV (ISSN 0749-6036)

Published

2008

Language

EN

Field

Physics and Astronomy (Physical Sciences)