نتایج جستجو برای: crystallite size determination
تعداد نتایج: 795243 فیلتر نتایج به سال:
Four samples of (Y1−xCex)3(Al1−yGay)5O12 (where x=0.01, 0.02 and y=0, 0.5) were synthesized via the simple, efficient combustion synthesis method in order to determine the effect of substituting Ga for Al on the temperature-dependent fluorescent lifetime. X-ray diffraction(XRD) data show that the average crystallite size is 20-30nm and that the gallium-doped samples have longer lattice constant...
The effect of Zn-doping in CoFe2O4 nanoparticles (NPs) through chemical co-precipitation route was investigated in term of structural, optical, and magnetic properties. Both XRD and FTIR analyses confirm the formation of cubic spinel phase, where the crystallite size changes with Zn content from 46 to 77 nm. The Scherrer method, Williamson-Hall (W-H) analysis, and size-strain plot method (SSPM)...
This study reports the simple process to synthesis of CuO/CuI nanocomposite in a non-aqueous solution. In the conducted experiments CuI and Dimethyl Sulfoxide (DMSO) were used as the precursors. Moreover, DMSO had role of solvent and ligand simultaneously. In experiments the effects of oleic acid as the particles size modifier, temperature and concentration were investigated. Crystalline struct...
The possible relation between the properties of six commercial carbons and their gasification rates with carbon dioxide a t a series of temperatures between 900 and 1300” has been investigated. The following properties of the carbons have been determined: yantitative and qualitative ash analyses, hydrogen content, interlayer spacing, average crystallite size, true and apparent ensity, porosity,...
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