Microwave characterization of magnetically hard and soft ferrite nanoparticles in K-band
Nano-sized magnetic particles show great promise in improving the performance of microwave absorbers with respect to the corresponding bulk materials. In this paper, magnetically hard and soft ferrite nanoparticles (CoFe2O4 and Fe3O4) having an average size of 14 and 11 nm were prepared by co-precip...
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| Veröffentlicht in: | Journal of applied physics 2014-10, Vol.116 (15) |
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| container_title | Journal of applied physics |
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| creator | Della Pina, C. Falletta, E. Ferretti, A. M. Ponti, A. Gentili, G. G. Verri, V. Nesti, R. |
| description | Nano-sized magnetic particles show great promise in improving the performance of microwave absorbers with respect to the corresponding bulk materials. In this paper, magnetically hard and soft ferrite nanoparticles (CoFe2O4 and Fe3O4) having an average size of 14 and 11 nm were prepared by co-precipitation method and characterized in terms of morphology, structure, and magnetic properties. Their permeability and permittivity were measured by a waveguide technique, embedding each sample in a host medium. Their parameters at microwave frequencies were retrieved by comparing different effective medium equations. |
| doi_str_mv | 10.1063/1.4898138 |
| format | Article |
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M. ; Ponti, A. ; Gentili, G. G. ; Verri, V. ; Nesti, R.</creator><creatorcontrib>Della Pina, C. ; Falletta, E. ; Ferretti, A. M. ; Ponti, A. ; Gentili, G. G. ; Verri, V. ; Nesti, R.</creatorcontrib><description>Nano-sized magnetic particles show great promise in improving the performance of microwave absorbers with respect to the corresponding bulk materials. In this paper, magnetically hard and soft ferrite nanoparticles (CoFe2O4 and Fe3O4) having an average size of 14 and 11 nm were prepared by co-precipitation method and characterized in terms of morphology, structure, and magnetic properties. Their permeability and permittivity were measured by a waveguide technique, embedding each sample in a host medium. Their parameters at microwave frequencies were retrieved by comparing different effective medium equations.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.4898138</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Cobalt ferrites ; Iron oxides ; Magnetic permeability ; Magnetic properties ; Microwave absorbers ; Microwave frequencies ; Morphology ; Nanoparticles</subject><ispartof>Journal of applied physics, 2014-10, Vol.116 (15)</ispartof><rights>2014 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c292t-ab12d80f7e6a668b8046f14bf31b5e33719f4878ca7e11013522db8dde157bb23</citedby><cites>FETCH-LOGICAL-c292t-ab12d80f7e6a668b8046f14bf31b5e33719f4878ca7e11013522db8dde157bb23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Della Pina, C.</creatorcontrib><creatorcontrib>Falletta, E.</creatorcontrib><creatorcontrib>Ferretti, A. 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Their parameters at microwave frequencies were retrieved by comparing different effective medium equations.</description><subject>Applied physics</subject><subject>Cobalt ferrites</subject><subject>Iron oxides</subject><subject>Magnetic permeability</subject><subject>Magnetic properties</subject><subject>Microwave absorbers</subject><subject>Microwave frequencies</subject><subject>Morphology</subject><subject>Nanoparticles</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNotkE1LAzEYhIMoWKsH_0HAk4eteZPdfBylaBUrXhS8hWQ30ZTtpiapUn-9K-1pDvMwwwxCl0BmQDi7gVktlQQmj9AEiFSVaBpyjCaEUKikEuoUneW8IgRAMjVB78-hTfHHfDvcfppk2uJS-DUlxAFHj9fmY3AltKbvd3j0O2yGDufoC_YupVAcHswQNyaNUO8yDgN-quwInaMTb_rsLg46RW_3d6_zh2r5snic3y6rlipaKmOBdpJ44bjhXFpJau6htp6BbRxjApSvpZCtEQ6AAGso7azsOgeNsJayKbra525S_Nq6XPQqbtMwVmoKlDeUS0ZG6npPjWNzTs7rTQprk3YaiP4_ToM-HMf-AK_WX8s</recordid><startdate>20141021</startdate><enddate>20141021</enddate><creator>Della Pina, C.</creator><creator>Falletta, E.</creator><creator>Ferretti, A. 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G. ; Verri, V. ; Nesti, R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c292t-ab12d80f7e6a668b8046f14bf31b5e33719f4878ca7e11013522db8dde157bb23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Applied physics</topic><topic>Cobalt ferrites</topic><topic>Iron oxides</topic><topic>Magnetic permeability</topic><topic>Magnetic properties</topic><topic>Microwave absorbers</topic><topic>Microwave frequencies</topic><topic>Morphology</topic><topic>Nanoparticles</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Della Pina, C.</creatorcontrib><creatorcontrib>Falletta, E.</creatorcontrib><creatorcontrib>Ferretti, A. M.</creatorcontrib><creatorcontrib>Ponti, A.</creatorcontrib><creatorcontrib>Gentili, G. 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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Cobalt ferrites Iron oxides Magnetic permeability Magnetic properties Microwave absorbers Microwave frequencies Morphology Nanoparticles |
| title | Microwave characterization of magnetically hard and soft ferrite nanoparticles in K-band |
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