Large coercivity and exchange bias in Mn3O4 nanoparticles prepared by laser ablation method

•A facile laser ablation method was developed to synthesize Mn3O4 and Mn3O4/α-Mn nanoparticles.•A large coercivity up to 1.17 T was observed in the Mn3O4/α-Mn nanoparticles.•An exchange bias effect was observed in the Mn3O4 and the Mn3O4/α-Mn nanoparticles. A facile and easily reproducible laser abl...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 2019-11, Vol.489, p.165481, Article 165481
Hauptverfasser:	Yang, Y.T., Si, P.Z., Choi, C.J., Ge, H.L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antiferromagnetism Bias Coercivity Exchange bias Exchanging Ferrimagnetism Isotopes Large coercivity Laser ablation Lasers Manganese oxides Mn3O4 Nanoparticles Single crystals Size effects
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