Photosensitive AlGaAs / GaAs Structures Grown by Molecular Beam Epitaxy
| Authors | M.A. Bazalevsky1,2, G.I. Koltsov1, S.I. Didenko1 , S.Yu. Yurchuk1 , S.A. Legotin1 , O.I. Rabinovich1 , V.N. Murashev1 , I.P. Kazakov2 |
| Affiliations | 1 National University of Science and Technology “MISiS”, 4, Leninsky prospect, 119049 Moscow, Russia 2 Lebedev Physics Institute, Russian Academy of Sciences, 53, Leninsky prospect, 119991 Moscow, Russia |
| Е-mail | |
| Issue | Volume 6, Year 2014, Number 3 |
| Dates | Received 19 May 2014; published online 15 July 2014 |
| Citation | M.A. Bazalevsky, G.I. Koltsov, S.I. Didenko, et al., J. Nano- Electron. Phys. 6 No 3, 03019 (2014) |
| DOI | |
| PACS Number(s) | 73.50.Pz, 85.60.Gz |
| Keywords | Molecular beam epitaxy, AlGaAs / GaAs, Photodetector (8) , Ultraviolet (3) , Scintillator. |
| Annotation | AlGaAs / GaAs photosensitive structures were grown by molecular beam epitaxy and photodetector devices were fabricated. The structures were characterized by reflection high-energy electron diffraction (RHEED), reflectance anisotropy spectroscopy (RAS) and atomic force microscopy (AFM). Spectral characteristics of p-i-n structures were calculated. It is shown that obtained structures have atomically smooth surface and abrupt heterointerfaces. Room-temperature I-V measurements of fabricated photodetectors showed low dark current Id = 3.38 nA at reverse bias Urev = 5 V. |
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