نتایج جستجو برای: xrd sem

تعداد نتایج: 77043  

2014
Umair Manzoor Do K. Kim Mohammad Islam Arshad S. Bhatti

Mixed morphologies of Ga-doped Zinc Oxide (ZnO) nanostructures are synthesized by vapor transport method. Systematic scanning electron microscope (SEM) studies of different morphologies, after periodic heat treatments, gives direct evidence of sublimation. SEM micrographs give direct evidence that morphological defects of nanostructures can be removed by annealing. Ultra Violet (UV) and visible...

2006
S. Bal

Structural macromolecular parameters of normal and treated (acid & alkali) polyester fibers have been investigated using Small Angle X-ray Scattering (SAXS) technique. Average diameters were calculated from Scanning electron microscope (SEM) micrographs and mechanical parameters were estimated using Instron. Further, crystallinity parameters of the same fibers have been determined using X-ray d...

2012
Indu Verma Ritesh Kumar Nidhi Verma

Tin oxide (SnO2) thin films are widely used by solgel method. One of the most important factors that influence the sensitivities of sensing material is its structural properties especially surface morphology. In this work, we present preparation and characterization of undoped and antimony-doped tin oxide (Sb: SnO2) thin film nanostructures for gas sensing applications. The films were character...

2011
Subhashree Sahoo Chandra Kanti Chakraborti Pradipta Kumar Behera Subash Chandra Mishra Kanak Manjari

Aims: Qualitative analysis of a mucoadhesive polymeric (Carbopol940) suspension of Norfloxacin was carried out with the aim of developing an oral controlled release gastro-retentive dosage form. Methods: The characterization of ultrasonicated formulation was performed by Fourier Transform Infrared Spectroscopy (FTIR), Raman Spectroscopy, Xray powder diffraction (XRD) and Scanning electron micro...

Journal: :Nanotechnology 2009
Pei-I Wang Thomas C Parker Tansel Karabacak G-C Wang T-M Lu

Control of the size of Cu nanorods vapor-deposited at an oblique angle (approximately 85 degrees) by oxygen-mediated growth was investigated using scanning electron microscopy (SEM) and x-ray diffraction (XRD). It was observed that exposure of Cu nanorods to the oxygen ambient periodically resulted in a reduction in the diameter of the nanorods as well as an increase in the areal density of the...

The purpose of the study was to investigate the mineralogical and Heavy Metals (HMs) present in the granite mining soils in Chimakurthy, India. The mineral exploration of mining soils were identified by X-Ray Diffractometer (XRD) pattern analysis. However, the morphological features and quantitative HMs were detected by Scanning Electron Microscopy/Energy Dispersed Spectroscopy (SEM/...

Using the stones to make tools and vessels dated back to Paleolithic and Neolithic periods. Stones so called soft stones, along with the alabaster, are one of the most famous stones that have been used to produce vessel in Near East, where they are in use currently in different applications. Soft stone vessels reach to highest level of flourishing during the Bronze Age and its geographical exch...

Journal: :Journal of biomedical materials research. Part B, Applied biomaterials 2017
K R Fernandes A M P Magri H W Kido F Ueno L Assis K P S Fernandes R A Mesquita-Ferrari V C Martins A M Plepis E D Zanotto O Peitl D Ribeiro J J van den Beucken A C M Renno

The aims of this study were to characterize different BS/PLGA composites for their physicochemical and morphological characteristics and evaluate the in vitro and in vivo biological performance. The physicochemical and morphological modifications were analyzed by pH, mass loss, XRD, setting time, and SEM. For in vitro analysis, the osteoblast and fibroblast viability was evaluated. For in vivo ...

2017
Seyed Mohammad Ghafoori

This report describes the synthesis of metallic silver nanoparticles (AgNPs) using extracts of four medicinal plants (Aegle marmelos (A. marmelos), Alstonia scholaris (A. scholaris), Andrographis paniculata (A. paniculata) and Centella asiatica (C. asiatica)). The bio-conjugates were characterized by UV–visible spectroscopy, scanning electron microscopyenergy dispersive spectroscopy (SEM-EDS), ...

2017
P. Ananthi S. Mary Jelastin Kala

The development of simple, cost effective and reliable methods for the synthesis of nanomaterials is being emphasized globally. Biosynthetic methods, employing microorganisms, have emerged as an eco-friendly, clean and viable alternative to chemical and physical methods. The present study reports the synthesis of copper nanoparticles using Triumfettarotundifolia plant extract. The synthesized c...

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