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首页> 外文期刊>Physical review >Anisotropic charge transport in nonpolar GaN quantum wells: Polarization induced line charge and interface roughness scattering
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Anisotropic charge transport in nonpolar GaN quantum wells: Polarization induced line charge and interface roughness scattering

机译:非极性GaN量子阱中的各向异性电荷传输:极化感应线电荷和界面粗糙度散射

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摘要

Charge transport in GaN quantum well devices grown in the nonpolar direction is theoretically investigated. Emergence of a different form of anisotropic line charge scattering mechanism originating from anisotropic rough-surface morphology in conjunction with in-plane built-in polarization is proposed. It is shown that such scattering leads to a large anisotropy in carrier transport properties, which is partially reduced by strong isotropic optical phonon scattering.
机译:理论上研究了在非极性方向上生长的GaN量子阱器件中的电荷传输。提出了一种各向异性线电荷散射机制的不同形式,该机制源自各向异性的粗糙表面形态以及面内内置极化。结果表明,这种散射会导致载流子传输特性出现较大的各向异性,而各向异性的强光学各向同性声子散射会部分降低这种各向异性。

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