Abstract
In this study, elemental Mn and B initial materials were used to synthesize pure Mn2B nanocrystals by ball milling. Milling experiments were conducted with highenergy planetary ball mill in a hardened steel vial with hardened steel balls, under Ar atmosphere at 40:1 ball-to-powder ratio and 300 rpm rotating speed. As synthesized Mn2B nanocrystals phase structures and morphological/microstructural investigation were analyzed by X-Ray diffractometry (XRD) and scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM/EDX), respectively. Particle size of Mn2B were calculated as 34.5 nm by Rietveld refinement. Furthermore, the magnetic behavior of nanocrystals were determined by vibrating sample magnetometer (VSM). Mn2B sample shows ferromagnetic behavior at room temperature with saturation magnetization of 13 emu/g and coercivity of 90 Oe.
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