Abstract
In this work, (Nd–Fe–B–C) magnetic nanoparticles are generated by pulses of Nd:YAG laser irradiation on the (Nd–Fe–B–C) magnetic target in distilled water. Exposure times were 1, 5, and 10 min. Percentages of elements in a bulk sample and nanoparticles are investigated by energy-dispersive X rays (EDX). Mean particle sizes of the nanosamples are analyzed by a transmission electron microscope (TEM). The average size of the nanoparticles is 6.23 nm. A typical selected-area electron-diffraction (SAED) ring pattern from the nanocrystals shows a tetragonal structure in (Nd–Fe–B–C) nanoparticles similar to the bulk sample. In order to investigate the nanoparticle stability, in two weeks after nanoparticle generation, the size distribution of nanoparticles is measured using dynamic light scattering (DLS). Using an atomic force microscope (AFM) and a magnetic force microscope (MFM), we show different aspects of generated nanoparticles.
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