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Fe2O3 nanoparticles for magnetic hyperthermia applications

Published online by Cambridge University Press:  15 July 2015

O M Lemine ,
Karim Omri ,
L El Mir ,
V Velasco ,
Patricia Crespo ,
Patricia de la Presa ,
Hoicine Bouzid ,
Ali Youssif  and
Ali Hajry
O M Lemine
Affiliation:
Physics Department, College of Sciences, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia.
Karim Omri
Affiliation:
Laboratory of Physics of Materials and Nanomaterials Applied at Environment (LaPhyMNE), Faculty of Sciences in Gabes, Gabes, Tunisia.
L El Mir
Affiliation:
Physics Department, College of Sciences, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia. Laboratory of Physics of Materials and Nanomaterials Applied at Environment (LaPhyMNE), Faculty of Sciences in Gabes, Gabes, Tunisia.
V Velasco
Affiliation:
Instituto de Magnetismo Aplicado, UCM-ADIF-CSIC, Spain
Patricia Crespo
Affiliation:
Instituto de Magnetismo Aplicado, UCM-ADIF-CSIC, Spain Dpto. Física de Materiales, Universidad Complutense de Madrid, Spain
Patricia de la Presa
Affiliation:
Instituto de Magnetismo Aplicado, UCM-ADIF-CSIC, Spain Dpto. Física de Materiales, Universidad Complutense de Madrid, Spain
Hoicine Bouzid
Affiliation:
Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, P.O. Box 1988, Najran-11001, Saudi Arabia
Ali Youssif
Affiliation:
Department of Physics, College of Science, Sultan Qaboos University, P.O. Box 36, Code 123, Al Khoud, Oman
Ali Hajry
Affiliation:
Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, P.O. Box 1988, Najran-11001, Saudi Arabia
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Abstract

Synthesis, structural, magnetic properties and heating efficiency of γ-Fe2O3 nanoparticles have been investigated. X-ray diffraction (XRD) and Mössbauer spectroscopy show that the obtained nanoparticles are mainly composed of maghemite phase (γ-Fe2O3). Williamson-Hall method shows that the crystallite is around 14nm.The specific absorption rate (SAR) under an alternating magnetic field is investigated as a function of frequency. A highest SAR value of 12W/g for frequency 523 kHz was obtained.

Keywords

Mössbauer effectnanostructuremagnetic properties
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1779: Symposium M – Nanoscale Heat Transport―From Fundamentals to Devices , 2015 , pp. 7 - 13
Copyright
Copyright © Materials Research Society 2015 

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References

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