نتایج جستجو برای: core shell nanostructure

تعداد نتایج: 261404  

Journal: :Material Science & Engineering International Journal 2018

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1392

a novel acrylic acid-functionalized fe3o4 magnetic nanoparticle with a core-shell structure was developed for utilization as a heterogeneous organosuperacid in chemical transformations. the structural, surface, and magnetic characteristics of the nanosized catalyst were investigated by various techniques such as transmission electron microscopy (tem), thermogravimetric analysis (tga), and ft-ir...

Journal: :Plasmonics 2022

Fe3O4 and Fe3O4/Ag core–shell nanocomposite powders were synthesized via the co-precipitation method. The structure, microstructure, magnetic, optical properties of studied. XRD patterns UV–Vis spectra showed that nanostructure particles successfully synthesized. AFM MFM mode micrographs confirm formation in nano-scale range. Both composite represented superparamagnetic behavior due to nanosize...

Journal: :Micro 2021

Uses of novel technologies for improving the durability and lifespan construction materials have emerged as viable solutions toward sustainable future wherein coating industry plays a significant role in economy growth better livelihoods. Thus, continual innovation various to introduce diverse market products has become indispensable. Properties like color stability under UV, elevated temperatu...

Journal: :Journal of the American Ceramic Society 2021

Fast cooling after sintering or annealing of BiFeO3-BaTiO3 mixed-oxide ceramics yields core-shell structures that give excellent functional properties, but their precise phase assemblage and nanostructure remains an open question. By comparing conventional electron energy loss spectroscopy (EELS) with scanning precession diffraction (SPED) mapping using a direct detector, we correlate chemical ...

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