نتایج جستجو برای: sem و edx

تعداد نتایج: 818888  

Journal: :Journal of Korean Society for Atmospheric Environment 2007

2013
P. Balashanmugam

The development of appropriate processes for the synthesis of nanoparticles is an important aspect of nanotechnology. In this study, fungus mediated synthesis of silver nanoparticles using Microporus Xanthopus has been done. The dried macro fungi were powdered and boiled for 20 minutes to get the extracts. The extracts were treated with silver nitrate and kept in the dark conditions for 48 hrs,...

2014
Imre Miklós Szilágyi Georg Teucher Emma Härkönen Elina Färm Timo Hatanpää Timur Nikitin Leonid Khriachtchev Markku Räsänen Mikko Ritala Markku Leskelä

Here we present the first successful attempt to programme the surface properties of nanostructured soft biological tissues by atomic layer deposition (ALD). The nanopatterned surface of lotus leaf was tuned by 3-125 nm TiO2 thin films. The lotus/TiO2 composites were studied by SEM-EDX, XPS, Raman, TG-DTA, XRR, water contact angle and photocatalysis measurements. While we could preserve the supe...

2015
Mihai ANDREI Daniel GHEORGHE Georgeta VOICU Cristian PÎRVU Mihai Andrei Daniel Gheorghe Georgeta Voicu Cristian Pîrvu

The paper aims on the investigations of corrosion processes of three different porcelain fused to metal dental crowns with CoCrMo frameworks. The three crowns, with different exposed metal surfaces, were investigated using electrochemical impedance spectroscopy (EIS), through 168 hours of experiment. The data were analyzed and the influence of corrosion processes was shown after the crowns were...

2011
K. Won-in P. Dararutana

Gold Mosaic glass has been used to decorate items and places since ancient time. The glass structure is divided into three layers: cover glass, gold layer and glass substrate. In this study, the composition of old-styled Thai gold mosaic glass samples was analyzed using SEM/EDX and Raman spectroscopy. It was found that the glass composition was sodiumsilicate based glass. Raman spectroscopy als...

2010
Ana I. Kostov Dragana T. Živković

Thermodynamic analysis and characterization of the investigated Ga-Ge-Sb alloys, which is of a practical importance in electric semiconductors industry, are presented in this paper. Thermodynamic analysis are done by the used of experimental investigation technique of Oelsen calorimetry and different thermal analysis (DTA) and thermodynamic predicting methods, while characterizations are done b...

2017
Safdar Abbas Malik Le Thanh Hung Ngo Van Nong

The data presented in this article are related to the research article entitled: "Solder free joining as a highly effective method for making contact between thermoelectric materials and metallic electrodes" (Malik et al., 2017) [1]. This article presents microstructure obtained by scanning electron microscopy (SEM) and chemical analysis by energy dispersive X-ray spectroscopy (EDX) point measu...

2009
Volodymyr D. Khavryuchenko Oleksiy V. Khavryuchenko Andriy I. Shkilnyy Denys A. Stratiichuk Vladyslav V. Lisnyak

Amorphous Spherical Carbon with Nitrogen (SCN) active carbon has been prepared by carbonization of poly(vinylpyridine-divinylbenzene) (PVPDVB) copolymer. The PVPDVB dehydrogenation copolymer has been quantum chemically (QC) simulated using cluster and periodic models. Scanning electron microscopy (SEM), transmission electron microscopy (TEM) and energy dispersive X-ray (EDX) studies of the resu...

2006
J. E. Alfonso J. Torres J. F. Marco

In this work, the influence of the substrate bias on the crystalline structure and surface composition of Ti6Al4V thin films prepared by rf magnetron sputtering were studied. Samples were grown onto two different types of substrates: AISI 420 steel and common glass using a Ti6Al4V (99.9 %) target. Substrate bias was varied from –100V to –200 V. Samples were characterized by X-ray diffraction (X...

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