کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1790454 1524435 2014 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Facet growth of self-separated GaN layers through HVPE on large square-patterned template
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
Facet growth of self-separated GaN layers through HVPE on large square-patterned template
چکیده انگلیسی
A self-separated GaN layer was prepared by hydride vapor phase epitaxy (HVPE) on a square-patterned template with large periodicity. Self-separation was completed by breakage of the fragile layer because of the thermal stresses generated during the cooling process after HVPE growth. The GaN layer exhibited graphical surface comprising the terrace and the concave, the shapes of which were corresponding with the mask pattern. The terrace came from the growth on window openings, and had Ga-polarity by wet etching and micro-Raman measurement. The concave over the mask was composed of large inclined facets, and was demonstrated to have N-polarity. The growth on large square-patterned template was considered to be facet growth. The polarity inversion was related to dislocation accumulation. The strain distribution regularly varied, which was interpreted based on the facet growth mode.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Crystal Growth - Volume 394, 15 May 2014, Pages 11-17
نویسندگان
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