简介:Theapplicationofinductionplasmatechnologydevelopedforthesynthesisofnanometricpowdersissummarized.Abriefdescriptionofthescientificbasisfortheinductionplasmaprocessesisgiven,followedbythepresentationofaninductionplasmasystemdevelopedbyTekna,togetherwithvariousexamplesofthenanopowderssynthesizedusingitsfacilities.Theadvantagesoftheinductionplasmaprocessoveralternativetechniquesanditsadaptabilityintoindustrialscaleoperationisparticularlyillustrated.Somespecificissuesrelatedtothenanopowdersynthesisprocessarealsodiscussed.
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简介:PolycrystallineNd3+andLa3+co-dopedyttriananopowderNd3+:Y1.90La0.10O3fortransparentceramicswassynthesizedbyco-precipitationmethodusingoxalateacidastheprecipitantand(NH4)2SO4astheelectricalstabilizerunderultrasonicradiation.Nanopowderscalcinedatdifferenttemperatureswerecharacterizedwiththermalgravimetric-differentialthermalanalysis(TG/DTA),X-raydiffraction(XRD),transmittingelectronmicroscopy(TEM),energydispersivespectrometry(EDS)andspectralanalysistechniques.Th...