An InGap/GaAs heterojunction bipolar transistro (HBT) with an 50A undoped spacer and delta-doping sheet at base-emitter heterointerface is fabricated and studied. A common-emitter current gain of 280 and an offset voltage as small as 55mV are obtained, respectively, This results shows athat ...
Delta doping is a process by which a large surface potential is created to direct photoelectrons generated at the surface toward the photo diodes of an imaging array. The penetration depth of (UV) photons into silicon is tens of nanometers. Photoelectrons generated by (UV) photons recombine wi...
Delta-doping of semiconductors 来自 Semantic Scholar 喜欢 0 阅读量: 90 作者: JJ Harris 摘要: The structural, electrical and optical properties of epitaxial semiconductor layers, delta-doped with impurity atoms, are reviewed. The majority of the discussion relates to GaAs, the most-studied material...
1) delta-doping Delta掺杂 1. Studies on electrical properties of delta-doping p-GaN films; Delta掺杂制备p-GaN薄膜及其电性能研究 更多例句>> 2) doped [英][dəup] [美][dop] 掺杂 1. Preparation of TiO_2 doped Fe~(3+),La~(3+) and its photocatalytic performance; 镧和铁掺杂纳...
Delta doping Technology for Back illuminated CMOS and CCD ImagersNikzad, Shouleh
W delta doping in Si epitaxial growth by WF 6 and SiH 4 reaction has been investigated using an ultraclean cold-wall low-pressure chemical vapor deposition (CVD) system. Atomic-layer order W deposition is performed on wet-cleaned Si(1 0 0) substrate at 100 °C using WF 6 and SiH 4. ...
Delta-doped layers of SiC have been investigated using our original "Pulse Doping" technique during epitaxial growth in the vertical hot wall type CVD system. The dopant gases are intermittently introduced without mass flow controller and managed utilizing the pulse valve, which can open and close ...
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A case study of microwave processing of metal hydroxide sediment sludge from printed circuit board manufacturing wash water The large quantity of wash water used in the electroplating and etching process in the manufacturing of printed circuit boards (PCBs) contains a high level... Q Gan - 《...
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