نتایج جستجو برای: energy dispersive xray spectroscopy eds

تعداد نتایج: 844518  

2014
C. L. Collins C. McCarthy N. Rowlands

Energy Dispersive Spectroscopy (EDS) has been used for many years to analyse the chemical composition of materials, including biological matter. However, the physical limitations of often being able to use only low beam currents, low accelerating voltages and only generating very low X-Ray count rates on a sample mainly comprised of light elements meant that until now, biological EDS has been s...

2011
S. Ikezawa M. Wakamatsu

In this paper, composition analysis using scanning electron microscopy/energy-dispersive Xray spectroscopy analysis (SEM-EDX) and laser-induced breakdown spectroscopy (LIBS) for particulate matter in diesel exhaust is presented. Conventionally, scanning mobility particle sizer (SMPS) has been widely used to obtain particle size distribution of the suspended particles. However, real-time analysi...

2008
A. Nagata N. Sasayama M. Ikeda A. Odawara S. Nakayama

We have developed a microcalorimeter energy dispersive spectroscopy (EDS) system with high-energy resolution to analyze the composition in the materials with low voltage excitation. This system is based on the dilution refrigerator and has a snout like conventional EDS system. The energy resolution was 14.2 eV for Al-Kα line (1.5 keV) and the estimated count rate was 333 cps. We demonstrated th...

Journal: :Journal of nanoscience and nanotechnology 2009
Chun Mao Zhaochao Xu Minji Yoon Qiong Wu Jinheung Kim Wenbo Zhao Jian Shen

A general synthetic method capable of producing a kind of water-soluble gold nanoparticles possessing single-phase synthetic route, high concentration, small size under control, easy store, and excellent thermal, pH and salt stability, was demonstrated. The combined studies with transmission electron microscopy (TEM), Energy dispersive X-ray spectroscopy (EDS), X-ray photoelectron spectroscopy ...

2017

Submit Manuscript | http://medcraveonline.com Abbreviations: MB: Methylene Blue; PEC: Photo Electrochemical; Isc: Short Circuit Current; Voc: Open Circuit Voltage; XRD: X-Ray Diffraction; FE-SEM: Field Emission Scanning Electron Microscopy; AOP: Advanced Oxidation Process; CBD: Chemical Bath Deposition; EDS: Energy Dispersive X-Ray Spectroscopy; BET: Brunauer-Emmer-Teller; FWHM: Full Width At H...

In the present work, Bi2S3 nanostructures have been synthesized with the aid of thioglycollic acid (TGA) a solvent, capping agent, and sulfide source in the presence of ultrasonic method. The as-synthesized products were characterized by X-ray diffraction (XRD), Energy Dispersive X-ray spectroscopy (EDS), scanning electron microscope (SEM), and photoluminescence (PL) spectroscopy. The band gap ...

2014
Chang Wan Han Ernesto E. Marinero Antonio Aguilar Rodolfo Zanella Volkan Ortalan

High-angle annular dark field (HAADF) STEM is an indispensable technique for analyzing heterogeneous catalysts, in particular those comprising high atomic number (Z) metallic nanoparticles (NPs) dispersed on low-Z supports. Readily interpretable atomic-scale Z-contrast imaging with high spatial resolution spectroscopy, including X-ray energy dispersive spectroscopy (EDS) and electron energy los...

   Nickel-molybdenum oxidebimetallic nanoparticles were synthesized in ethylene glycol using the microwave irradiation technique. According to the results, successive reduction of nickel and molybdenum ions, followed by thermal treatment of obtained nanoparticles led to formation of core-shell structured nickel-molybdenum oxide nanoparticles. According to the results, the thickness of the s...

2012
Jeongmin Hong Eugenia Stefanescu Ping Liang Nikhil Joshi Song Xue Dmitri Litvinov Sakhrat Khizroev

This letter describes the use of vertically aligned carbon nanotubes (CNT)-based arrays with estimated 2-nm thick cobalt (Co) nanoparticles deposited inside individual tubes to unravel the possibility of using the unique templates for ultra-high-density low-energy 3-D nano-magneto-electronic devices. The presence of oriented 2-nm thick Co layers within individual nanotubes in the CNT-based 3-D ...

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