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Domain wall motion and Barkhausen effect in magnetic nanoparticles for EOR applications

The domain wall motion in magnetic nanoparticles is a useful parameter of study. The subject of this research is to study of the phenomenon of discontinuous domain wall motion, or the Barkhausen Effect in magnetic nanoparticles. In this work hematite (Fe2O3) nanoparticles have been synthesized using...

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Main Authors: Baig, M.K., Soleimani, H., Yahya, N.
Format: Conference or Workshop Item
Published: American Institute of Physics Inc. 2016
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85006063977&doi=10.1063%2f1.4968113&partnerID=40&md5=7611b04d31e2f9274e6f6423e2e24be7
http://eprints.utp.edu.my/30588/
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spelling my.utp.eprints.305882022-03-25T07:11:51Z Domain wall motion and Barkhausen effect in magnetic nanoparticles for EOR applications Baig, M.K. Soleimani, H. Yahya, N. The domain wall motion in magnetic nanoparticles is a useful parameter of study. The subject of this research is to study of the phenomenon of discontinuous domain wall motion, or the Barkhausen Effect in magnetic nanoparticles. In this work hematite (Fe2O3) nanoparticles have been synthesized using sol-gel auto-combustion and characterized using X-ray diffraction, Field emission scanning electron microscopy (FESEM), Transmission electron microscope (TEM) and Vibrating sample magnetometer (VSM) for crystal structure, morphology, shape, size and magnetic properties respectively. The FESEM and TEM results show that the particles are spherical in nature and average size is 60nm that is suitable for domain walls and barkhuasen effect. The VSM results show high coercivity 175 Oe and low saturation magnetization due to domain wall pinning and barkhausen effect. The size and magnetic properties reveals the existence of domain walls in the synthesized sample. The magnetic properties confirm the energy losses due to domain wall pinning, discontinuous domain rotation or barkhausen effect during magnetization which is useful for oil-water interfacial tension reduction and viscosity of oil. The high surface charge of magnetic nanoparticles and adsorption at the rock surface is useful for wettability alteration of rocks. © 2016 Author(s). American Institute of Physics Inc. 2016 Conference or Workshop Item NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85006063977&doi=10.1063%2f1.4968113&partnerID=40&md5=7611b04d31e2f9274e6f6423e2e24be7 Baig, M.K. and Soleimani, H. and Yahya, N. (2016) Domain wall motion and Barkhausen effect in magnetic nanoparticles for EOR applications. In: UNSPECIFIED. http://eprints.utp.edu.my/30588/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description The domain wall motion in magnetic nanoparticles is a useful parameter of study. The subject of this research is to study of the phenomenon of discontinuous domain wall motion, or the Barkhausen Effect in magnetic nanoparticles. In this work hematite (Fe2O3) nanoparticles have been synthesized using sol-gel auto-combustion and characterized using X-ray diffraction, Field emission scanning electron microscopy (FESEM), Transmission electron microscope (TEM) and Vibrating sample magnetometer (VSM) for crystal structure, morphology, shape, size and magnetic properties respectively. The FESEM and TEM results show that the particles are spherical in nature and average size is 60nm that is suitable for domain walls and barkhuasen effect. The VSM results show high coercivity 175 Oe and low saturation magnetization due to domain wall pinning and barkhausen effect. The size and magnetic properties reveals the existence of domain walls in the synthesized sample. The magnetic properties confirm the energy losses due to domain wall pinning, discontinuous domain rotation or barkhausen effect during magnetization which is useful for oil-water interfacial tension reduction and viscosity of oil. The high surface charge of magnetic nanoparticles and adsorption at the rock surface is useful for wettability alteration of rocks. © 2016 Author(s).
format Conference or Workshop Item
author Baig, M.K.
Soleimani, H.
Yahya, N.
spellingShingle Baig, M.K.
Soleimani, H.
Yahya, N.
Domain wall motion and Barkhausen effect in magnetic nanoparticles for EOR applications
author_facet Baig, M.K.
Soleimani, H.
Yahya, N.
author_sort Baig, M.K.
title Domain wall motion and Barkhausen effect in magnetic nanoparticles for EOR applications
title_short Domain wall motion and Barkhausen effect in magnetic nanoparticles for EOR applications
title_full Domain wall motion and Barkhausen effect in magnetic nanoparticles for EOR applications
title_fullStr Domain wall motion and Barkhausen effect in magnetic nanoparticles for EOR applications
title_full_unstemmed Domain wall motion and Barkhausen effect in magnetic nanoparticles for EOR applications
title_sort domain wall motion and barkhausen effect in magnetic nanoparticles for eor applications
publisher American Institute of Physics Inc.
publishDate 2016
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85006063977&doi=10.1063%2f1.4968113&partnerID=40&md5=7611b04d31e2f9274e6f6423e2e24be7
http://eprints.utp.edu.my/30588/
_version_ 1738657128734785536
score 13.211869

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