نتایج جستجو برای: fourier transform infrared spectrometry ftir and x
تعداد نتایج: 16973388 فیلتر نتایج به سال:
Polyimide/Nickel oxide (polyimide/NiO) nanocomposite was successfully synthesized by sol gel technique, using Pyromellitic dianhydriede (PMDA), 4,4-oxydianiline (ODA) and N,N-dimethylacetamide (DMAC) and 10 wt% Nickel titanate nanopowders (NPs). Fourier transform infrared spectrometry (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and vibrating sample magnetometer (VSM) we...
Polyimide/Nickel oxide (polyimide/NiO) nanocomposite was successfully synthesized by sol gel technique, using Pyromellitic dianhydriede (PMDA), 4,4-oxydianiline (ODA) and N,N-dimethylacetamide (DMAC) and 10 wt% Nickel titanate nanopowders (NPs). Fourier transform infrared spectrometry (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and vibrating sample magnetometer (VSM) we...
manganese zinc ferrite nanoparticles (mzf nps) were synthesized by using a direct, efficient and environmental friendly hydrothermal method. to improve the colloidal stability of mzf nps for biomedical applications, nps were coated with chitosan by ionic gelation technique using sodium tripolyphosphate (tpp) as crosslinker. the synthesized nps were characterized by x ray diffraction (xrd) analy...
Abstract— Porous Hydroxyapatite (HAP, Ca10(PO4)6(OH)2 possessing bioactivity, biocompatibility, solubility and adsorption is highly useful as a biomaterial in various applications . Pure HAP nanoparticles were synthesized at moderate temperatures by wet chemical synthesis and subjecting it to combustion method with a organic fuel ( ascorbic acid). The X-ray diffractometry (XRD) and Fourier tran...
Submit Manuscript | http://medcraveonline.com Abbreviations: PLGA: Poly Lactic-Co-Glycolic Acid; PEG: Polyethylene Glycol; FDA: Food and Drug Administration; AlgPLGANP: Alginate-PLGA Nanoparticle; PDI: Polydispersity Index; TRF: Tocotrienol Rich Fraction; FA: Folic Acid; α: Alpha; ZP: Zeta Potential; SEM: Scanning Electron Microscopy; PXRD: Powder X ray Diffraction; DSC: Differential Scanning C...
core-shell 12-tungstophosphoric acid/tio2 (hpw/tio2) nanoparticles at 10 and 20% of hpw have been synthesized by simple in-situ sol- gel method. characterization of the samples was carried out by x-ray diffraction (xrd), scanning electron microscopy (sem), fourier transform infrared (ftir). the x-ray diffraction patterns of as prepared solid samples, indicated characteristic peaks of titania wi...
in this thesis, barium ferrite nano particles were prepared by sol-gel method. their structural and magnetic properties of samples have been investigated using thermo gravimetric analysis (tg-dta), x-ray powder diffractometer (xrd), fourier transform infrared (ftir), scanning electron microscopy (sem), field emission scanning electron microscopy (fesem), ac susceptometer, vibrating sample magne...
Amorphous GeOx/SiO2 multilayers (1<x<2) were prepared by successive evaporation of GeO2 and SiO2 powders onto the Si substrates maintained at 100°C. Structural study by X-ray photoelectron spectroscopy (XPS), Fourier transform infrared-absorption (FTIR) spectrometry, and transmission electron microscopy (TEM) was carried out. These techniques allowed us to follow the structural evolution, and...
In this work we study the structural properties of amorphous oxynitride lms (a-SiOxNy), grown by plasma enhanced chemical vapour deposition (PECVD)at 320C. The lms were deposited at di erent ow ratio of N2O and SiH4. The atomic composition of the samples was determined by means of Rutherford backscattering spectrometry (RBS). The local order structure was studied by X-ray absorption spectroscop...
The aim of the study was to investigate the effect of temperature, time, pH, capping agent concentration (mercaptoacetic acid), Zn to Se and Se to reducing agent (NaBH4) mole ratios on morphology, phase developments and size of zinc selenide nanoparticles prepared by hydrothermal method. Characterization of zinc selenide nanoparticles was performed by Field Emission Electron Microscopy (FESEM),...
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