کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5006149 1461384 2017 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Schottky performance variation on r-plane and c-plane of GaN micro truncated-pyramid grown by selective area MOCVD
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی برق و الکترونیک
پیش نمایش صفحه اول مقاله
Schottky performance variation on r-plane and c-plane of GaN micro truncated-pyramid grown by selective area MOCVD
چکیده انگلیسی
The electric properties of Pt Schottky contacts on semipolar r-plane and polar c-plane of GaN micro truncated-pyramid are compared. The Schottky diodes of the inclined r-plane sample illustrate a relatively inferior rectified performance than that of the top c-plane GaN in term of the lower Schottky barrier heights, larger ideality factor and reverse leakage current. By depositing Pt metal on the dislocation-free area of the top of GaN micro pyramid, the Schottky performance of r-plane GaN can be slightly improved, but still shows much larger reverse leakage current than that of c-plane GaN. It is found that polarization-related surface states and incorporation of donor impurities, rather than dislocation, should mainly contribute to this remarkable electric discrepancy of the planes.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science in Semiconductor Processing - Volume 63, 1 June 2017, Pages 248-252
نویسندگان
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