Piezoelectric strain in AlGaN/GaN heterostructure field-effect transistors under bias
β Scribed by Sarua, A.; Ji, Hangfeng; Kuball, M.; Uren, M. J.; Martin, T.; Nash, K. J.; Hilton, K. P.; Balmer, R. S.
- Book ID
- 118007303
- Publisher
- American Institute of Physics
- Year
- 2006
- Tongue
- English
- Weight
- 690 KB
- Volume
- 88
- Category
- Article
- ISSN
- 0003-6951
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## Abstract We report on the electrical properties of AlGaN/GaInN heterostructures fabricated with various InN molar fractions from 0 to 0.60 in GaInN on a GaN template. The sheet carrier density of the AlGaN/GaInN heterostructure monotonically increased with increasing InN molar fraction in GaInN,
Using the envelope wavefunction approximation and the compact density matrix formalism, we have investigated theoretically the linear and nonlinear refractive index changes in AlGaN/GaN quantum well heterostructures aimed for designing electro-optical modulators. The confining potential in the heter