Structural,Dielectric,and Magnetic Studies on Electrospun Magnesium Ferrite-Polyvinylidene Fluoride Core–Shell Composite Fibers
The sub-micron（of the order of 150 nm） thick core–shell composite fibers of magnesium ferrite-polyvinylidene fluoride are prepared by electrospinning.The loading of magnesium ferrite is varied from 1 to 10 wt%.The study results by X-ray diffraction,scanning electron microscope,and infra-red spectros...
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| Veröffentlicht in: | Acta metallurgica sinica : English letters 2014-08, Vol.27 (4), p.557-562 |
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| creator | Revathi, V. Dinesh Kumar, S. Chithra Lekha, P. Subramanian, V. Natarajan, T. S. Muthamizhchelvan, C. |
| description | The sub-micron（of the order of 150 nm） thick core–shell composite fibers of magnesium ferrite-polyvinylidene fluoride are prepared by electrospinning.The loading of magnesium ferrite is varied from 1 to 10 wt%.The study results by X-ray diffraction,scanning electron microscope,and infra-red spectroscopy indicate the formation of core–shell structure and an enhancement in the amount of b-phase compared to a-phase in the polyvinylidene fluoride.The particle size of the magnesium ferrite in the fiber is evaluated to be 30 nm.The low frequency dielectric studies indicate that the addition of the magnesium ferrite increases the polarization resulting in the increase in the dielectric constant but decreases the dielectric loss.The magnetization measurements indicate an increased value of coercivity compared to bulk due to the nano-size of the magnesium ferrite.The microwave absorption at the ferromagnetic resonance increases with the increase in the concentration of magnesium ferrite.The resonance field is found to vary with the loading of MFO. |
| doi_str_mv | 10.1007/s40195-014-0055-1 |
| format | Article |
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S. ; Muthamizhchelvan, C.</creatorcontrib><description>The sub-micron（of the order of 150 nm） thick core–shell composite fibers of magnesium ferrite-polyvinylidene fluoride are prepared by electrospinning.The loading of magnesium ferrite is varied from 1 to 10 wt%.The study results by X-ray diffraction,scanning electron microscope,and infra-red spectroscopy indicate the formation of core–shell structure and an enhancement in the amount of b-phase compared to a-phase in the polyvinylidene fluoride.The particle size of the magnesium ferrite in the fiber is evaluated to be 30 nm.The low frequency dielectric studies indicate that the addition of the magnesium ferrite increases the polarization resulting in the increase in the dielectric constant but decreases the dielectric loss.The magnetization measurements indicate an increased value of coercivity compared to bulk due to the nano-size of the magnesium ferrite.The microwave absorption at the ferromagnetic resonance increases with the increase in the concentration of magnesium ferrite.The resonance field is found to vary with the loading of MFO.</description><identifier>ISSN: 1006-7191</identifier><identifier>EISSN: 2194-1289</identifier><identifier>DOI: 10.1007/s40195-014-0055-1</identifier><language>eng</language><publisher>Heidelberg: The Chinese Society for Metals</publisher><subject>Aluminum ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Coercivity ; Core-shell structure ; Corrosion and Coatings ; Dielectric constant ; Dielectric loss ; Electric fields ; Electrospinning ; Ferromagnetic resonance ; Ferromagnetism ; Fibers ; Fluorides ; Fourier transforms ; Magnesium ; Magnesium ferrites ; Magnetic fields ; Materials Science ; Metallic Materials ; Microwave absorption ; Nanostructure ; Nanotechnology ; Organometallic Chemistry ; Particle size ; Polymers ; Polyvinylidene fluorides ; Scanning electron microscopy ; Spectroscopy/Spectrometry ; Spectrum analysis ; Tribology ; 复合纤维 ; 扫描电子显微镜 ; 电介质 ; 结构 ; 聚偏氟乙烯 ; 铁素体 ; 镁 ; 静电纺丝</subject><ispartof>Acta metallurgica sinica : English letters, 2014-08, Vol.27 (4), p.557-562</ispartof><rights>The Chinese Society for Metals and Springer-Verlag Berlin Heidelberg 2014</rights><rights>The Chinese Society for Metals and Springer-Verlag Berlin Heidelberg 2014.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c452t-9fd3cfb3c82234e5b9c98a99e4330a195d82bfcab54eae1940a9410ef402e99f3</citedby><cites>FETCH-LOGICAL-c452t-9fd3cfb3c82234e5b9c98a99e4330a195d82bfcab54eae1940a9410ef402e99f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/86672X/86672X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s40195-014-0055-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2933334003?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,780,784,21386,27922,27923,33742,33743,41486,42555,43803,51317,64383,64385,64387,72239</link.rule.ids></links><search><creatorcontrib>Revathi, V.</creatorcontrib><creatorcontrib>Dinesh Kumar, S.</creatorcontrib><creatorcontrib>Chithra Lekha, P.</creatorcontrib><creatorcontrib>Subramanian, V.</creatorcontrib><creatorcontrib>Natarajan, T. S.</creatorcontrib><creatorcontrib>Muthamizhchelvan, C.</creatorcontrib><title>Structural,Dielectric,and Magnetic Studies on Electrospun Magnesium Ferrite-Polyvinylidene Fluoride Core–Shell Composite Fibers</title><title>Acta metallurgica sinica : English letters</title><addtitle>Acta Metall. Sin. (Engl. Lett.)</addtitle><addtitle>Acta Metallurgica Sinica（English Letters）</addtitle><description>The sub-micron（of the order of 150 nm） thick core–shell composite fibers of magnesium ferrite-polyvinylidene fluoride are prepared by electrospinning.The loading of magnesium ferrite is varied from 1 to 10 wt%.The study results by X-ray diffraction,scanning electron microscope,and infra-red spectroscopy indicate the formation of core–shell structure and an enhancement in the amount of b-phase compared to a-phase in the polyvinylidene fluoride.The particle size of the magnesium ferrite in the fiber is evaluated to be 30 nm.The low frequency dielectric studies indicate that the addition of the magnesium ferrite increases the polarization resulting in the increase in the dielectric constant but decreases the dielectric loss.The magnetization measurements indicate an increased value of coercivity compared to bulk due to the nano-size of the magnesium ferrite.The microwave absorption at the ferromagnetic resonance increases with the increase in the concentration of magnesium ferrite.The resonance field is found to vary with the loading of MFO.</description><subject>Aluminum</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Coercivity</subject><subject>Core-shell structure</subject><subject>Corrosion and Coatings</subject><subject>Dielectric constant</subject><subject>Dielectric loss</subject><subject>Electric fields</subject><subject>Electrospinning</subject><subject>Ferromagnetic resonance</subject><subject>Ferromagnetism</subject><subject>Fibers</subject><subject>Fluorides</subject><subject>Fourier transforms</subject><subject>Magnesium</subject><subject>Magnesium ferrites</subject><subject>Magnetic fields</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Microwave absorption</subject><subject>Nanostructure</subject><subject>Nanotechnology</subject><subject>Organometallic Chemistry</subject><subject>Particle size</subject><subject>Polymers</subject><subject>Polyvinylidene fluorides</subject><subject>Scanning electron microscopy</subject><subject>Spectroscopy/Spectrometry</subject><subject>Spectrum analysis</subject><subject>Tribology</subject><subject>复合纤维</subject><subject>扫描电子显微镜</subject><subject>电介质</subject><subject>结构</subject><subject>聚偏氟乙烯</subject><subject>铁素体</subject><subject>镁</subject><subject>静电纺丝</subject><issn>1006-7191</issn><issn>2194-1289</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqNkc1u1DAUhS0EEkPhAdhFsGFRg69_kniJpp2CVATSwNpynJupq4w9tROk2cEz8IZ9ElxSgcQC4Y195e_c6-NDyHNgr4Gx5k2WDLSiDCRlTCkKD8iKg5YUeKsfklWBatqAhsfkSc7XpeJSNSvyfTul2U1zsuPpmccR3ZS8O7Whrz7YXcDJu2o7zb3HXMVQnf8CYj7MYbnPft5XG0zJT0g_xfH41Yfj6HsMWG3GOaZyrNYx4e23H9srHMdS7A8xF7za-A5TfkoeDXbM-Ox-PyFfNuef1-_o5ceL9-u3l9RJxSeqh164oROu5VxIVJ12urVaoxSC2eK9b3k3ONspiRaLc2a1BIaDZBy1HsQJebX0PaR4M2OezN5nV15kA8Y5G6ibRreKA_8PlGuhpABW0Jd_oddxTqEYMYUpSzImCgUL5crf5YSDOSS_t-logJm7_MySnyn5mbv8DBQNXzS5sGGH6U_nf4le3A-6imF3U3S_J9U1h7YGkOInwg2rQg</recordid><startdate>20140801</startdate><enddate>20140801</enddate><creator>Revathi, V.</creator><creator>Dinesh Kumar, S.</creator><creator>Chithra Lekha, P.</creator><creator>Subramanian, V.</creator><creator>Natarajan, T. 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S.</au><au>Muthamizhchelvan, C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structural,Dielectric,and Magnetic Studies on Electrospun Magnesium Ferrite-Polyvinylidene Fluoride Core–Shell Composite Fibers</atitle><jtitle>Acta metallurgica sinica : English letters</jtitle><stitle>Acta Metall. Sin. (Engl. Lett.)</stitle><addtitle>Acta Metallurgica Sinica（English Letters）</addtitle><date>2014-08-01</date><risdate>2014</risdate><volume>27</volume><issue>4</issue><spage>557</spage><epage>562</epage><pages>557-562</pages><issn>1006-7191</issn><eissn>2194-1289</eissn><abstract>The sub-micron（of the order of 150 nm） thick core–shell composite fibers of magnesium ferrite-polyvinylidene fluoride are prepared by electrospinning.The loading of magnesium ferrite is varied from 1 to 10 wt%.The study results by X-ray diffraction,scanning electron microscope,and infra-red spectroscopy indicate the formation of core–shell structure and an enhancement in the amount of b-phase compared to a-phase in the polyvinylidene fluoride.The particle size of the magnesium ferrite in the fiber is evaluated to be 30 nm.The low frequency dielectric studies indicate that the addition of the magnesium ferrite increases the polarization resulting in the increase in the dielectric constant but decreases the dielectric loss.The magnetization measurements indicate an increased value of coercivity compared to bulk due to the nano-size of the magnesium ferrite.The microwave absorption at the ferromagnetic resonance increases with the increase in the concentration of magnesium ferrite.The resonance field is found to vary with the loading of MFO.</abstract><cop>Heidelberg</cop><pub>The Chinese Society for Metals</pub><doi>10.1007/s40195-014-0055-1</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aluminum Characterization and Evaluation of Materials Chemistry and Materials Science Coercivity Core-shell structure Corrosion and Coatings Dielectric constant Dielectric loss Electric fields Electrospinning Ferromagnetic resonance Ferromagnetism Fibers Fluorides Fourier transforms Magnesium Magnesium ferrites Magnetic fields Materials Science Metallic Materials Microwave absorption Nanostructure Nanotechnology Organometallic Chemistry Particle size Polymers Polyvinylidene fluorides Scanning electron microscopy Spectroscopy/Spectrometry Spectrum analysis Tribology 复合纤维 扫描电子显微镜 电介质 结构 聚偏氟乙烯 铁素体 镁 静电纺丝 |
| title | Structural,Dielectric,and Magnetic Studies on Electrospun Magnesium Ferrite-Polyvinylidene Fluoride Core–Shell Composite Fibers |
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