Theoretical investigations on the energy relaxation in twodimensional GaN systems | Zendy

Tas M. | Zendy; Tanatar B. | Zendy

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Theoretical investigations on the energy relaxation in twodimensional GaN systems

Author(s) -

Tas M.,

Tanatar B.

Publication year - 2007

Publication title -

physica status solidi c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.21

H-Index - 46

eISSN - 1610-1642

pISSN - 1862-6351

DOI - 10.1002/pssc.200673335

Subject(s) - phonon , electron , condensed matter physics , relaxation (psychology) , lattice (music) , physics , materials science , quantum mechanics , psychology , social psychology , acoustics

We theoretically study the energy relaxation of hot electrons via LO‐phonon emission in two‐dimensional GaN systems. We employ a model in which electrons and the lattice are in equilibrium separately, and the effective electron temperature is much larger than the lattice temperature. We include the dynamical screening of electrons, electron‐phonon interactions reduced phonon self‐energy correction, the hot‐phonon, and the.nite‐size effects. The power loss to acoustic phonons is also considered. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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