NDLI: Thermal annealing synthesis of Fe$_{4}$N/Fe nanocomposites from iron oxide (Fe$_{3}$O$

Content Provider	Springer Nature Link
Author	Abbas, Mohamed Kim, Kun Woo Islam, Md. Nazrul Kim, CheolGi
Copyright Year	2014
Abstract	A facile sono-thermal approach using inexpensive and non-toxic chemicals was applied for the large-scale synthesis of iron nitride/iron (Fe$_{4}$N/Fe) nanocomposite. The as-synthesized iron oxide (Fe$_{3}$O$_{4}$) nanoparticles by sonochemical method were treated in a thermal annealing chamber in presence of hydrogen (H$_{2}$) and ammonia (NH$_{3}$) gases to obtain Fe$_{4}$N/Fe nanocomposite. X-ray diffraction (XRD) and energy dispersive spectroscopy (EDS) analyses revealed that the Fe$_{4}$N/Fe nanocomposite had been successfully synthesized using this simple method. Transmission electron microscopy (TEM) data demonstrated that the sizes of the as-synthesized Fe$_{4}$N/Fe nanocomposite were larger compared to the sizes for the initial Fe$_{3}$O$_{4}$ NPs. The magnetization curve obtained using vibrating sample magnetometer (VSM) measurements showed that the magnetization had been significantly increased in the synthesized Fe$_{4}$N/Fe nanocomposite compared to that in the freshly-prepared Fe$_{3}$O$_{4}$ magnetic NPs.
Starting Page	1649
Ending Page	1652
Page Count	4
File Format	PDF
ISSN	03744884
Journal	Journal of the Korean Physical Society
Volume Number	65
Issue Number	10
e-ISSN	19768524
Language	English
Publisher	The Korean Physical Society
Publisher Date	2014-12-06
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	High magnetization Sono-thermal approach Theoretical, Mathematical and Computational Physics Thermal annealing Physics Particle and Nuclear Physics Sono-chemical
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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