Microwave Assisted Reflux Synthesis and Characterization of MagneticFe_3O_4MicroBubbles EmbedinNano particles

摘要

Magnetic Fe_3O_4 nano bubbles surrounded by nanoparticles are prepared by adoptingmicrowave assisted reflux method. The nano magnetic particles surrounded by small beads likeparticles are fabricated by irradiating the prepaperd sample solutions by microwave radiationscoupled with reflux method simultaneously at 90°C for 45 mins. The characterization of theprepared Fe_3O_4 particles are carried out by using x ray diffraction, scanning electron microscopyand transmission electron microscopy. The instrumentations shows the morphology that is thickwalled bubble like with approximate diameter of about 300 nm to 400 nm surrounded by small nanoparticles of 5 nm to 30 nm in range. The particles are bubbles like and some broken bubbles showedthat these might be hollow from inside.