Structural and optical characterization of AlGaN multiple quantum wells grown on semipolar (20-21) bulk AlN substrate

Structural and optical characterization of AlGaN multiple quantum wells grown on semipolar (20-21) bulk AlN substrate
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半极性 (20-21) 体 AlN 衬底上生长的 AlGaN 多量子阱的结构和光学表征

DOI:
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发表时间:
2017
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影响因子:
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通讯作者:
N. Johnson
N. Johnson
中科院分区:
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作者:
T. Wunderer;Zhihong Yang;M. Feneberg;Max Batres;M. Teepe;N. Johnson

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通过金属有机气相外延在半极性 (20-21) 体 AlN 衬底上生长具有多量子阱的 AlGaN 异质结构。展示了具有优异异质结构界面的光滑外延表面。通过低温光致发光测量,AlGaN 多量子阱在 λ  =  237nm 处发出的光显示出约 35% 的偏振度。
Heterostructures of AlGaN with multiple quantum wells were grown by metal-organic vapor phase epitaxy on semipolar (20-21) bulk AlN substrates. Smooth epitaxial surfaces with excellent heterostructure interfaces were demonstrated. Luminescence from the AlGaN multiple quantum wells emitting at λ  =  237 nm show a substantial degree of polarization of about 35% as determined by low-temperature photoluminescence measurements.
m 面蓝宝石上生长的半极性 AlGaN 层的各向异性光学特性
DOI: 10.1063/1.4920985
发表时间: 2015
影响因子: 4
作者:
M. Feneberg;M. Winkler;J. Klamser;J. Stellmach;M. Frentrup;S. Ploch;F. Mehnke;T. Wernicke;M. Kneissl;R. Goldhahn
通讯作者: R. Goldhahn