FESEM electron microscopy

The etch rates were measured by a surface profiler and field emission scatming electron microscopy (FESEM), and the etch profile were observed by FESEM. In this study, a C /Ar gas chemistry was chosen to obtain high etch selectivity of Si film to niobium oxide mask since CI2 gas was known to be a good etch gas for Si films. The etch rate, etch selectivity and etch profile of niobium oxide nanopillars and Si films were explored by varying the CI2 concentration, coil RF power and dc bias voltage to substrate. 

A Dektak siuface profilometer was used to measure the etch rates. The profiles of the etched films were observed by field emission scanning electron microscopy (FESEM). In addition, x-ray photoelectron spectroscopy PCPS) was utilized to examine the existence of possible etch products or redeposited materials, and to elucidate the etch mechanism of Co2MnSi magnetic films in a CVOa/Ar plasma. 

MCM-41 samples have been characterized by means of powder X-ray diffraction (X Pert Philips, CuKa radiation), nitrogen adsorption measurements at 77 K (Quantachrome Autosorbl) and Field Emission Scanning Electron Microscopy (Assing FESEM Supra 25) before soaking in SBF and after different immersion times. 

Scanning Electron Microscopy and Extreme FESEM in Catalysis. 195... 

VI. Recent Advances in Ultra-High Resolution, Low-Voltage Field Emission Scanning Electron Microscopy and Extreme FESEM in Catalysis... 

SnC>2 nanoparticles have been successfully synthesized by chemical co-precipitation method using ethanol, acetone, tetrahydrofuran (THF) and ether as solvents. X-ray Diffraction (XRD), Field Emission Electron Microscopy (FESEM) and Transmission Electron Microscopy (TEM) have been used to study the crystallographic and morphological properties of synthesized SnC>2 nanoparticles, while their optical properties have been studied by UV-Visible absorption spectroscopy. UV-Vis absorption spectra shows a weak quantum confinement in all the synthesized SnCL samples. The photo-catalytic activity of as-synthesized SnC>2 nanoparticles under UV irradiation has been evaluated using Methylene Blue (MB) dye as a test contaminant in water. The results showed that solvents played a key role to control the morphology and photo-catalytic activity of SnCE nanoparticles. 

Fig. 8 Different views of T. foetus hydrogenosomes ( ) after field-emission scanning electron microscopy (FESEM) (a) and freeze-etching (b,c). An isolated hydrogenosome obtained from T. foetus observed by FESEM, where details of its surface can be seen, b A calcium deposit in the peripheral vesicle (asterisk) c shows that the peripheral vesicle (arrow) presents a smooth surface, distinct from the organelle body. Bars = 50 nm. (From Benchimol 2000)...

FESEM Field emission scanning electron microscopy... 

Rizwan SB, Dong YD, Boyd BJ, Rades T, Hook S (2007) Characterisation of biconti-nuous cubic liquid crystalline systems of phytantriol and water using cryo field emission scanning electron microscopy (cryo FESEM). Micron 38 478M 85... 

Electron emitter (W, W-Th02, W-La203, porous W). Other elements are better emitters, but W has an extremely low vapor pressure and can be used at higher temperatures (it keeps the filament free of gas contamination, which would decrease emission). Therefore, W is practically the only material used in this field. Timgsten can be used as cold (field emission) and as hot emitter (thermionic emission). The principles are explained in Section 1.2.7. Field emission cathodes are used in field emission electron microscopy (FESEM). Examples of thermionic emission are manifold ... 

Field emission scanning electron microscopy (FESEM), glancing incidence x-ray diffraction (GIXRD), transmission electron microscopy (TEM), micro Raman scattering, Fourier transform inftaied (FTIR) spectrometry, Rutherford back scattering (RBS) studies and electron probe micro analysis (EPMA) have been carried out to obtain micro-structural and compositional properties of the diamond/p-SiC nanocomposite films. Atomic force microscopy (AFM) and indentation studies have been carried out to obtain film properties on the tribological and mechanical front. 

The brazed Joints were mounted in epoxy, ground, polished, and examined using Field Emission Scanning Electron Microscopy (FESEM) (model Hitachi 4700) coupled with energy dispersive x-ray spectroscopy (EDS). Microhardness scans were made with a Knoop indenter across the joint interfaces on a Struers Duramin-A300 machine under a load of 200 g and loading time of 10 s. Multiple (4 to 6) hardness scans were made across each joint to check the reproducibility. 

Field Emission Scanning Electron Microscopy (FESEM)... 

Field emission scanning electron microscopy (FESEM) images of (a) patterned polyacrylic acid (PAA), (b) patterned jxrlystyrene (PS) on patterned 11-amino-l-imdecanethiol hydrochloride (MUAM) (-NH3+)/octadecanethiol (ODT) (-CF13) monolayers. (Reprinted with permission from Wiley.)... 

---