Influence of pH and fuels on the combustion synthesis, structural, morphological, electrical and magnetic properties of CoFe{sub 2}O{sub 4} nanoparticles
Nanocrystalline spinel cobalt ferrite particles are synthesized by simple combustion method using aspartic acid and glycine as fuels. The single phase cubic structure of CoFe{sub 2}O{sub 4} is revealed through X-ray diffraction analysis (XRD). Further the Rietveld refinement confirms the formation o...
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| Veröffentlicht in: | Materials research bulletin 2015-11, Vol.71 |
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| creator | Shanmugavani, A. Selvan, R.Kalai Layek, Samar Vasylechko, Leonid Sanjeeviraja, C. |
| description | Nanocrystalline spinel cobalt ferrite particles are synthesized by simple combustion method using aspartic acid and glycine as fuels. The single phase cubic structure of CoFe{sub 2}O{sub 4} is revealed through X-ray diffraction analysis (XRD). Further the Rietveld refinement confirms the formation of inverse spinel structure of CoFe{sub 2}O{sub 4}. The characteristic functional groups of Co–O and Fe–O are identified from Fourier Transform Infrared (FT-IR) analysis. Uniform distribution of of nearly spherical particles with the size range of 40–80 nm is identified through field emission scanning electron microscope (FESEM) images. The calculated DC conductivity is 1.469 × 10{sup −7} and 2.214 × 10{sup −8} S cm{sup −1}, for CoFe{sub 2}O{sub 4} synthesized using aspartic acid and glycine, respectively. The dielectric behavior obeys the Maxwell–Wagner interfacial polarization. The ferromagnetic behavior of CoFe{sub 2}O{sub 4} is identified using VSM analysis and the calculated coercivity is 27 Oe and saturation magnetization is 68 emu/g. |
| doi_str_mv | 10.1016/J.MATERRESBULL.2015.04.008 |
| format | Article |
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The single phase cubic structure of CoFe{sub 2}O{sub 4} is revealed through X-ray diffraction analysis (XRD). Further the Rietveld refinement confirms the formation of inverse spinel structure of CoFe{sub 2}O{sub 4}. The characteristic functional groups of Co–O and Fe–O are identified from Fourier Transform Infrared (FT-IR) analysis. Uniform distribution of of nearly spherical particles with the size range of 40–80 nm is identified through field emission scanning electron microscope (FESEM) images. The calculated DC conductivity is 1.469 × 10{sup −7} and 2.214 × 10{sup −8} S cm{sup −1}, for CoFe{sub 2}O{sub 4} synthesized using aspartic acid and glycine, respectively. The dielectric behavior obeys the Maxwell–Wagner interfacial polarization. The ferromagnetic behavior of CoFe{sub 2}O{sub 4} is identified using VSM analysis and the calculated coercivity is 27 Oe and saturation magnetization is 68 emu/g.</description><identifier>ISSN: 0025-5408</identifier><identifier>EISSN: 1873-4227</identifier><identifier>DOI: 10.1016/J.MATERRESBULL.2015.04.008</identifier><language>eng</language><publisher>United States</publisher><subject>COBALT COMPOUNDS ; CRYSTAL STRUCTURE ; CRYSTALS ; DIELECTRIC MATERIALS ; DISTRIBUTION ; FERRITES ; FOURIER TRANSFORMATION ; GRAIN BOUNDARIES ; INFRARED SPECTRA ; MAGNETIC PROPERTIES ; MAGNETIZATION ; NANOPARTICLES ; NANOSCIENCE AND NANOTECHNOLOGY ; NANOSTRUCTURES ; PH VALUE ; SATURATION ; SCANNING ELECTRON MICROSCOPY ; SPINELS ; SYNTHESIS ; VIBRATING SAMPLE MAGNETOMETERS ; X-RAY DIFFRACTION</subject><ispartof>Materials research bulletin, 2015-11, Vol.71</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22475998$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Shanmugavani, A.</creatorcontrib><creatorcontrib>Selvan, R.Kalai</creatorcontrib><creatorcontrib>Layek, Samar</creatorcontrib><creatorcontrib>Vasylechko, Leonid</creatorcontrib><creatorcontrib>Sanjeeviraja, C.</creatorcontrib><title>Influence of pH and fuels on the combustion synthesis, structural, morphological, electrical and magnetic properties of CoFe{sub 2}O{sub 4} nanoparticles</title><title>Materials research bulletin</title><description>Nanocrystalline spinel cobalt ferrite particles are synthesized by simple combustion method using aspartic acid and glycine as fuels. The single phase cubic structure of CoFe{sub 2}O{sub 4} is revealed through X-ray diffraction analysis (XRD). Further the Rietveld refinement confirms the formation of inverse spinel structure of CoFe{sub 2}O{sub 4}. The characteristic functional groups of Co–O and Fe–O are identified from Fourier Transform Infrared (FT-IR) analysis. Uniform distribution of of nearly spherical particles with the size range of 40–80 nm is identified through field emission scanning electron microscope (FESEM) images. The calculated DC conductivity is 1.469 × 10{sup −7} and 2.214 × 10{sup −8} S cm{sup −1}, for CoFe{sub 2}O{sub 4} synthesized using aspartic acid and glycine, respectively. The dielectric behavior obeys the Maxwell–Wagner interfacial polarization. The ferromagnetic behavior of CoFe{sub 2}O{sub 4} is identified using VSM analysis and the calculated coercivity is 27 Oe and saturation magnetization is 68 emu/g.</description><subject>COBALT COMPOUNDS</subject><subject>CRYSTAL STRUCTURE</subject><subject>CRYSTALS</subject><subject>DIELECTRIC MATERIALS</subject><subject>DISTRIBUTION</subject><subject>FERRITES</subject><subject>FOURIER TRANSFORMATION</subject><subject>GRAIN BOUNDARIES</subject><subject>INFRARED SPECTRA</subject><subject>MAGNETIC PROPERTIES</subject><subject>MAGNETIZATION</subject><subject>NANOPARTICLES</subject><subject>NANOSCIENCE AND NANOTECHNOLOGY</subject><subject>NANOSTRUCTURES</subject><subject>PH VALUE</subject><subject>SATURATION</subject><subject>SCANNING ELECTRON MICROSCOPY</subject><subject>SPINELS</subject><subject>SYNTHESIS</subject><subject>VIBRATING SAMPLE MAGNETOMETERS</subject><subject>X-RAY DIFFRACTION</subject><issn>0025-5408</issn><issn>1873-4227</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqNTt1KwzAYDaJg_XmHoLdrTbPUdpc6OqZMhDmvRxa_rpE0KfmSC5E9iG9rO3wAr84Ph3MOITc5y3KW3989Zy8Pm3q9rt8e31erjLO8yJjIGKtOSJJX5TQVnJenJGGMF2khWHVOLhA_GWOiKsuE_DzZxkSwCqhraL-k0n7QJoJB6iwNLVDlul3EoAeJX3ZwUOOEYvBRheilmdDO-b51xu21GiUYUMGP_FjWyb2FoBXtvevBBw04Ts3dAr4x7ig_vB5RHKiV1vVyiCgDeEXOGmkQrv_wktwu6s18mbrhzBaVDqBa5awd1raci7KYzarp_1K_WvJkYg</recordid><startdate>20151115</startdate><enddate>20151115</enddate><creator>Shanmugavani, A.</creator><creator>Selvan, R.Kalai</creator><creator>Layek, Samar</creator><creator>Vasylechko, Leonid</creator><creator>Sanjeeviraja, C.</creator><scope>OTOTI</scope></search><sort><creationdate>20151115</creationdate><title>Influence of pH and fuels on the combustion synthesis, structural, morphological, electrical and magnetic properties of CoFe{sub 2}O{sub 4} nanoparticles</title><author>Shanmugavani, A. ; Selvan, R.Kalai ; Layek, Samar ; Vasylechko, Leonid ; Sanjeeviraja, C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-osti_scitechconnect_224759983</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>COBALT COMPOUNDS</topic><topic>CRYSTAL STRUCTURE</topic><topic>CRYSTALS</topic><topic>DIELECTRIC MATERIALS</topic><topic>DISTRIBUTION</topic><topic>FERRITES</topic><topic>FOURIER TRANSFORMATION</topic><topic>GRAIN BOUNDARIES</topic><topic>INFRARED SPECTRA</topic><topic>MAGNETIC PROPERTIES</topic><topic>MAGNETIZATION</topic><topic>NANOPARTICLES</topic><topic>NANOSCIENCE AND NANOTECHNOLOGY</topic><topic>NANOSTRUCTURES</topic><topic>PH VALUE</topic><topic>SATURATION</topic><topic>SCANNING ELECTRON MICROSCOPY</topic><topic>SPINELS</topic><topic>SYNTHESIS</topic><topic>VIBRATING SAMPLE MAGNETOMETERS</topic><topic>X-RAY DIFFRACTION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shanmugavani, A.</creatorcontrib><creatorcontrib>Selvan, R.Kalai</creatorcontrib><creatorcontrib>Layek, Samar</creatorcontrib><creatorcontrib>Vasylechko, Leonid</creatorcontrib><creatorcontrib>Sanjeeviraja, C.</creatorcontrib><collection>OSTI.GOV</collection><jtitle>Materials research bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shanmugavani, A.</au><au>Selvan, R.Kalai</au><au>Layek, Samar</au><au>Vasylechko, Leonid</au><au>Sanjeeviraja, C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of pH and fuels on the combustion synthesis, structural, morphological, electrical and magnetic properties of CoFe{sub 2}O{sub 4} nanoparticles</atitle><jtitle>Materials research bulletin</jtitle><date>2015-11-15</date><risdate>2015</risdate><volume>71</volume><issn>0025-5408</issn><eissn>1873-4227</eissn><abstract>Nanocrystalline spinel cobalt ferrite particles are synthesized by simple combustion method using aspartic acid and glycine as fuels. The single phase cubic structure of CoFe{sub 2}O{sub 4} is revealed through X-ray diffraction analysis (XRD). Further the Rietveld refinement confirms the formation of inverse spinel structure of CoFe{sub 2}O{sub 4}. The characteristic functional groups of Co–O and Fe–O are identified from Fourier Transform Infrared (FT-IR) analysis. Uniform distribution of of nearly spherical particles with the size range of 40–80 nm is identified through field emission scanning electron microscope (FESEM) images. The calculated DC conductivity is 1.469 × 10{sup −7} and 2.214 × 10{sup −8} S cm{sup −1}, for CoFe{sub 2}O{sub 4} synthesized using aspartic acid and glycine, respectively. The dielectric behavior obeys the Maxwell–Wagner interfacial polarization. The ferromagnetic behavior of CoFe{sub 2}O{sub 4} is identified using VSM analysis and the calculated coercivity is 27 Oe and saturation magnetization is 68 emu/g.</abstract><cop>United States</cop><doi>10.1016/J.MATERRESBULL.2015.04.008</doi></addata></record> |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | COBALT COMPOUNDS CRYSTAL STRUCTURE CRYSTALS DIELECTRIC MATERIALS DISTRIBUTION FERRITES FOURIER TRANSFORMATION GRAIN BOUNDARIES INFRARED SPECTRA MAGNETIC PROPERTIES MAGNETIZATION NANOPARTICLES NANOSCIENCE AND NANOTECHNOLOGY NANOSTRUCTURES PH VALUE SATURATION SCANNING ELECTRON MICROSCOPY SPINELS SYNTHESIS VIBRATING SAMPLE MAGNETOMETERS X-RAY DIFFRACTION |
| title | Influence of pH and fuels on the combustion synthesis, structural, morphological, electrical and magnetic properties of CoFe{sub 2}O{sub 4} nanoparticles |
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