Improved ferromagnetism of BiFeO3 nanoparticles based on different crystal structures
BiFeO3 nanoparticles with different atomic arrangements were synthesized. The ferromagnetism of BiFeO3 nanoparticles was affected directly by the degree of crystallization. A stronger saturation magnetization ∼2.914 emu/g was obtained in partially-crystallized BiFeO3 nanoparticles. In addition, the partially-crystallized BiFeO3 showed a 6 K shift of the spin-glass-like freezing temperature and exchange bias field kept almost zero with the change of temperature, which demonstrated a common control of the ferromagnetism and antiferromagnetism were achieved by changing the atomic arrangement order degree.
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Document Type: Short Communication
Publication date: June 1, 2017
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