نتایج جستجو برای: auger electron spectroscopy
تعداد نتایج: 450078 فیلتر نتایج به سال:
The chemical composition of the CuInSe2 /CdS heterojunction interface is investigated by angle resolved x-ray photoelectron spectroscopy, Auger electron spectroscopy, and secondary ion mass spectroscopy in combination with selective etching of CdS. We demonstrate that ;0.8 monolayer of Cd is incorporated into the first 1–3 atomic layers of the CuInSe2 . This is accompanied by significant Cu dep...
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The +/−Z ferroelectric domains in periodically poled lithium niobate are characterized with Auger electron spectroscopy. -Z have a higher O-KLL transition amplitude than the +Z domains. Based on this, spectroscopy mapping can be used peak to image +/-Z domain structure. This new characterization technique is confirmed HF etching, and compared SEM imaging. Spatial resolution down 68 nm demonstra...
Recent experimental investigations on the reduction of internal quantum efficiency with increasing current density in (AlInGa)N quantum well structures show that Auger recombination is a significant contributor to the so-called "droop" phenomenon. Using photoluminescence (PL) test structures, we find Auger processes are responsible for at least 15 % of the measured efficiency droop. Furthermore...
Two-color (x-ray+infrared) electron spectroscopy is used for investigating laser-assisted KLL Auger decay following 1s photoionization of atomic Ne with few-femtosecond x-ray pulses from the Linac Coherent Light Source. In an angle-resolved experiment, the overall width of the laser-modified Auger-electron spectrum and its structure change significantly as a function of the emission angle. The ...
The thermal stability of an a-Ti film in contact with a d-TiN film in the structure of a TiN/Ti/TiN film stack on SiO2 substrates was studied by in situ sheet resistance (Rs) measurement, Auger electron spectroscopy, glancing angle x-ray diffractometry, cross-sectional transmission electron microscopy, scanning electron microscopy, and atomic force microscopy. It was found that nitrogen dissolv...
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