نتایج جستجو برای: thin layer evaporation
تعداد نتایج: 399945 فیلتر نتایج به سال:
In this work we have fabricated hydrogen gas sensors based on undoped and 1 wt% multi-walled carbon nanotube (MWCNT)-doped tungsten oxide (WO(3)) thin films by means of the powder mixing and electron beam (E-beam) evaporation technique. Hydrogen sensing properties of the thin films have been investigated at different operating temperatures and gas concentrations ranging from 100 ppm to 50,000 p...
Three applications of ballistic electron microscopy are used to study, with nanometer-scale resolution, the magnetic and electronic properties of magnetic multilayer thin films and tunnel junctions. First, the capabilities of ballistic electron magnetic microscopy are demonstrated through an investigation of the switching behavior of continuous Ni80Fe20 /Cu/Co trilayer films in the presence of ...
See also: II/Chromatography: Paper Chromatography. Chromatography: Gas: Detectors: Selective; Gas Chromatography}Mass Spectrometry. Chromatography: Liquid: Detectors: Mass Spectrometry. Chromatography: Thin-Layer (Planar): Densitometry and Image Analysis; Layers; Mass Spectrometry; Modes of Development: Conventional; Modes of Developement: Forced Flow, Over Pressured Layer Chromatography and Ce...
Recent experiments on the evaporation of sessile droplets have revealed the spontaneous formation of various patterns including the presence of hydrothermal waves. These waves had previously been observed, in the absence of evaporation, in thin liquid layers subjected to an imposed, uniform temperature gradient. This is in contrast to the evaporating droplet case wherein these gradients arise n...
SYNOPSIS In this paper, we present a method for placing carbon nanotube (CNT) based piezoresistive sensors onto metallic flexural elements that were created via micromachining. Electron beam evaporation is used to deposit (1) an insulating ceramic thin film layer and (2) metal traces upon the flexure. A shadow mask is used to define the wire patterns. Either a tungsten wire or a focused ion bea...
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