Structural, magnetic and dielectric properties of spinel $ MgFe_{2} %$ O_{4} $ by sol–gel route

Abstract Importance of spinel ferrites arises due to their technological and industrial applications in electronic and spintronic devices. Among magnetic ferrites with formula $ XFe_{2} %$ O_{4} $ (where X = Co, Ni, etc.), magnesium ferrite, with unique magnetic properties along with n-type conducti...
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Autor*in:	Azam, M. [verfasserIn] Riaz, S. [verfasserIn] Akbar, A. [verfasserIn] Naseem, S. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2014

Schlagwörter:	Sol–gel Spinel Ferrites Magnesium iron oxide Phase pure

Übergeordnetes Werk:	Enthalten in: Journal of sol gel science and technology - Dordrecht [u.a.] : Springer Science + Business Media B.V, 1993, 74(2014), 2 vom: 15. Okt., Seite 340-351
Übergeordnetes Werk:	volume:74 ; year:2014 ; number:2 ; day:15 ; month:10 ; pages:340-351

Links:	Volltext

DOI / URN:	10.1007/s10971-014-3529-8

Katalog-ID:	SPR015258912

Internformat


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520			\|a Abstract Importance of spinel ferrites arises due to their technological and industrial applications in electronic and spintronic devices. Among magnetic ferrites with formula $ XFe_{2} %$ O_{4} $ (where X = Co, Ni, etc.), magnesium ferrite, with unique magnetic properties along with n-type conductivity, has significant advantage over other spinel ferrites. In this work $ MgFe_{2} %$ O_{4} $ sols and thin films are prepared using sol–gel and spin coating method. Mg/Fe ratio is varied as 0.4, 0.45, 0.5, 0.55, 0.6. Magnetic properties of sols indicate presence of single magnetic phase with Mg/Fe ratio of 0.55. Variation in Mg/Fe ratio during sol synthesis not only affects the magnetic properties but also affects phase purity of magnesium iron oxide thin films. Presence of diffraction peaks corresponding to (220), (222), (400), (331) and (620) planes confirm the formation of $ MgFe_{2} %$ O_{4} $ at low annealing temperature of 300 °C with Mg/Fe ratio of 0.55. This is the lowest temperature that has ever been reported for the formation of phase pure $ MgFe_{2} %$ O_{4} $ thin films. Phase purity at Mg/Fe ratio of 0.55 also results in high dielectric constant and low dielectric loss. Arrhenius plot for conductivity shows semiconducting behavior due to electron hopping between $ Fe^{2+} $ and $ Fe^{3+} $ cations. Moreover, strong magnetic behavior with high saturation magnetization of 163 emu/$ cm^{3} $ is obtained with Mg/Fe ratio of 0.55. Saturation magnetization decrease with Mg/Fe 0.4, 0.45, 0.5 and 0.6.
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700	1		\|a Riaz, S. \|e verfasserin \|4 aut
700	1		\|a Akbar, A. \|e verfasserin \|4 aut
700	1		\|a Naseem, S. \|e verfasserin \|4 aut
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912			\|a GBV_ILN_230
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936	b	k	\|a 35.18 \|q ASE
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Indexfelder

author_variant	m a ma s r sr a a aa s n sn
matchkey_str	article:15734846:2014----::tutrlantcndeetipoeteosiem
hierarchy_sort_str	2014
bklnumber	35.18 51.60
publishDate	2014
allfields	10.1007/s10971-014-3529-8 doi (DE-627)SPR015258912 (SPR)s10971-014-3529-8-e DE-627 ger DE-627 rakwb eng 600 670 ASE 35.18 bkl 51.60 bkl Azam, M. verfasserin aut Structural, magnetic and dielectric properties of spinel $ MgFe_{2} %$ O_{4} $ by sol–gel route 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Importance of spinel ferrites arises due to their technological and industrial applications in electronic and spintronic devices. Among magnetic ferrites with formula $ XFe_{2} %$ O_{4} $ (where X = Co, Ni, etc.), magnesium ferrite, with unique magnetic properties along with n-type conductivity, has significant advantage over other spinel ferrites. In this work $ MgFe_{2} %$ O_{4} $ sols and thin films are prepared using sol–gel and spin coating method. Mg/Fe ratio is varied as 0.4, 0.45, 0.5, 0.55, 0.6. Magnetic properties of sols indicate presence of single magnetic phase with Mg/Fe ratio of 0.55. Variation in Mg/Fe ratio during sol synthesis not only affects the magnetic properties but also affects phase purity of magnesium iron oxide thin films. Presence of diffraction peaks corresponding to (220), (222), (400), (331) and (620) planes confirm the formation of $ MgFe_{2} %$ O_{4} $ at low annealing temperature of 300 °C with Mg/Fe ratio of 0.55. This is the lowest temperature that has ever been reported for the formation of phase pure $ MgFe_{2} %$ O_{4} $ thin films. Phase purity at Mg/Fe ratio of 0.55 also results in high dielectric constant and low dielectric loss. Arrhenius plot for conductivity shows semiconducting behavior due to electron hopping between $ Fe^{2+} $ and $ Fe^{3+} $ cations. Moreover, strong magnetic behavior with high saturation magnetization of 163 emu/$ cm^{3} $ is obtained with Mg/Fe ratio of 0.55. Saturation magnetization decrease with Mg/Fe 0.4, 0.45, 0.5 and 0.6. Sol–gel (dpeaa)DE-He213 Spinel (dpeaa)DE-He213 Ferrites (dpeaa)DE-He213 Magnesium iron oxide (dpeaa)DE-He213 Phase pure (dpeaa)DE-He213 Riaz, S. verfasserin aut Akbar, A. verfasserin aut Naseem, S. verfasserin aut Enthalten in Journal of sol gel science and technology Dordrecht [u.a.] : Springer Science + Business Media B.V, 1993 74(2014), 2 vom: 15. Okt., Seite 340-351 (DE-627)268757607 (DE-600)1472726-2 1573-4846 nnns volume:74 year:2014 number:2 day:15 month:10 pages:340-351 https://dx.doi.org/10.1007/s10971-014-3529-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 ASE 51.60 ASE AR 74 2014 2 15 10 340-351
spelling	10.1007/s10971-014-3529-8 doi (DE-627)SPR015258912 (SPR)s10971-014-3529-8-e DE-627 ger DE-627 rakwb eng 600 670 ASE 35.18 bkl 51.60 bkl Azam, M. verfasserin aut Structural, magnetic and dielectric properties of spinel $ MgFe_{2} %$ O_{4} $ by sol–gel route 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Importance of spinel ferrites arises due to their technological and industrial applications in electronic and spintronic devices. Among magnetic ferrites with formula $ XFe_{2} %$ O_{4} $ (where X = Co, Ni, etc.), magnesium ferrite, with unique magnetic properties along with n-type conductivity, has significant advantage over other spinel ferrites. In this work $ MgFe_{2} %$ O_{4} $ sols and thin films are prepared using sol–gel and spin coating method. Mg/Fe ratio is varied as 0.4, 0.45, 0.5, 0.55, 0.6. Magnetic properties of sols indicate presence of single magnetic phase with Mg/Fe ratio of 0.55. Variation in Mg/Fe ratio during sol synthesis not only affects the magnetic properties but also affects phase purity of magnesium iron oxide thin films. Presence of diffraction peaks corresponding to (220), (222), (400), (331) and (620) planes confirm the formation of $ MgFe_{2} %$ O_{4} $ at low annealing temperature of 300 °C with Mg/Fe ratio of 0.55. This is the lowest temperature that has ever been reported for the formation of phase pure $ MgFe_{2} %$ O_{4} $ thin films. Phase purity at Mg/Fe ratio of 0.55 also results in high dielectric constant and low dielectric loss. Arrhenius plot for conductivity shows semiconducting behavior due to electron hopping between $ Fe^{2+} $ and $ Fe^{3+} $ cations. Moreover, strong magnetic behavior with high saturation magnetization of 163 emu/$ cm^{3} $ is obtained with Mg/Fe ratio of 0.55. Saturation magnetization decrease with Mg/Fe 0.4, 0.45, 0.5 and 0.6. Sol–gel (dpeaa)DE-He213 Spinel (dpeaa)DE-He213 Ferrites (dpeaa)DE-He213 Magnesium iron oxide (dpeaa)DE-He213 Phase pure (dpeaa)DE-He213 Riaz, S. verfasserin aut Akbar, A. verfasserin aut Naseem, S. verfasserin aut Enthalten in Journal of sol gel science and technology Dordrecht [u.a.] : Springer Science + Business Media B.V, 1993 74(2014), 2 vom: 15. Okt., Seite 340-351 (DE-627)268757607 (DE-600)1472726-2 1573-4846 nnns volume:74 year:2014 number:2 day:15 month:10 pages:340-351 https://dx.doi.org/10.1007/s10971-014-3529-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 ASE 51.60 ASE AR 74 2014 2 15 10 340-351
allfields_unstemmed	10.1007/s10971-014-3529-8 doi (DE-627)SPR015258912 (SPR)s10971-014-3529-8-e DE-627 ger DE-627 rakwb eng 600 670 ASE 35.18 bkl 51.60 bkl Azam, M. verfasserin aut Structural, magnetic and dielectric properties of spinel $ MgFe_{2} %$ O_{4} $ by sol–gel route 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Importance of spinel ferrites arises due to their technological and industrial applications in electronic and spintronic devices. Among magnetic ferrites with formula $ XFe_{2} %$ O_{4} $ (where X = Co, Ni, etc.), magnesium ferrite, with unique magnetic properties along with n-type conductivity, has significant advantage over other spinel ferrites. In this work $ MgFe_{2} %$ O_{4} $ sols and thin films are prepared using sol–gel and spin coating method. Mg/Fe ratio is varied as 0.4, 0.45, 0.5, 0.55, 0.6. Magnetic properties of sols indicate presence of single magnetic phase with Mg/Fe ratio of 0.55. Variation in Mg/Fe ratio during sol synthesis not only affects the magnetic properties but also affects phase purity of magnesium iron oxide thin films. Presence of diffraction peaks corresponding to (220), (222), (400), (331) and (620) planes confirm the formation of $ MgFe_{2} %$ O_{4} $ at low annealing temperature of 300 °C with Mg/Fe ratio of 0.55. This is the lowest temperature that has ever been reported for the formation of phase pure $ MgFe_{2} %$ O_{4} $ thin films. Phase purity at Mg/Fe ratio of 0.55 also results in high dielectric constant and low dielectric loss. Arrhenius plot for conductivity shows semiconducting behavior due to electron hopping between $ Fe^{2+} $ and $ Fe^{3+} $ cations. Moreover, strong magnetic behavior with high saturation magnetization of 163 emu/$ cm^{3} $ is obtained with Mg/Fe ratio of 0.55. Saturation magnetization decrease with Mg/Fe 0.4, 0.45, 0.5 and 0.6. Sol–gel (dpeaa)DE-He213 Spinel (dpeaa)DE-He213 Ferrites (dpeaa)DE-He213 Magnesium iron oxide (dpeaa)DE-He213 Phase pure (dpeaa)DE-He213 Riaz, S. verfasserin aut Akbar, A. verfasserin aut Naseem, S. verfasserin aut Enthalten in Journal of sol gel science and technology Dordrecht [u.a.] : Springer Science + Business Media B.V, 1993 74(2014), 2 vom: 15. Okt., Seite 340-351 (DE-627)268757607 (DE-600)1472726-2 1573-4846 nnns volume:74 year:2014 number:2 day:15 month:10 pages:340-351 https://dx.doi.org/10.1007/s10971-014-3529-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 ASE 51.60 ASE AR 74 2014 2 15 10 340-351
allfieldsGer	10.1007/s10971-014-3529-8 doi (DE-627)SPR015258912 (SPR)s10971-014-3529-8-e DE-627 ger DE-627 rakwb eng 600 670 ASE 35.18 bkl 51.60 bkl Azam, M. verfasserin aut Structural, magnetic and dielectric properties of spinel $ MgFe_{2} %$ O_{4} $ by sol–gel route 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Importance of spinel ferrites arises due to their technological and industrial applications in electronic and spintronic devices. Among magnetic ferrites with formula $ XFe_{2} %$ O_{4} $ (where X = Co, Ni, etc.), magnesium ferrite, with unique magnetic properties along with n-type conductivity, has significant advantage over other spinel ferrites. In this work $ MgFe_{2} %$ O_{4} $ sols and thin films are prepared using sol–gel and spin coating method. Mg/Fe ratio is varied as 0.4, 0.45, 0.5, 0.55, 0.6. Magnetic properties of sols indicate presence of single magnetic phase with Mg/Fe ratio of 0.55. Variation in Mg/Fe ratio during sol synthesis not only affects the magnetic properties but also affects phase purity of magnesium iron oxide thin films. Presence of diffraction peaks corresponding to (220), (222), (400), (331) and (620) planes confirm the formation of $ MgFe_{2} %$ O_{4} $ at low annealing temperature of 300 °C with Mg/Fe ratio of 0.55. This is the lowest temperature that has ever been reported for the formation of phase pure $ MgFe_{2} %$ O_{4} $ thin films. Phase purity at Mg/Fe ratio of 0.55 also results in high dielectric constant and low dielectric loss. Arrhenius plot for conductivity shows semiconducting behavior due to electron hopping between $ Fe^{2+} $ and $ Fe^{3+} $ cations. Moreover, strong magnetic behavior with high saturation magnetization of 163 emu/$ cm^{3} $ is obtained with Mg/Fe ratio of 0.55. Saturation magnetization decrease with Mg/Fe 0.4, 0.45, 0.5 and 0.6. Sol–gel (dpeaa)DE-He213 Spinel (dpeaa)DE-He213 Ferrites (dpeaa)DE-He213 Magnesium iron oxide (dpeaa)DE-He213 Phase pure (dpeaa)DE-He213 Riaz, S. verfasserin aut Akbar, A. verfasserin aut Naseem, S. verfasserin aut Enthalten in Journal of sol gel science and technology Dordrecht [u.a.] : Springer Science + Business Media B.V, 1993 74(2014), 2 vom: 15. Okt., Seite 340-351 (DE-627)268757607 (DE-600)1472726-2 1573-4846 nnns volume:74 year:2014 number:2 day:15 month:10 pages:340-351 https://dx.doi.org/10.1007/s10971-014-3529-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 ASE 51.60 ASE AR 74 2014 2 15 10 340-351
allfieldsSound	10.1007/s10971-014-3529-8 doi (DE-627)SPR015258912 (SPR)s10971-014-3529-8-e DE-627 ger DE-627 rakwb eng 600 670 ASE 35.18 bkl 51.60 bkl Azam, M. verfasserin aut Structural, magnetic and dielectric properties of spinel $ MgFe_{2} %$ O_{4} $ by sol–gel route 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Importance of spinel ferrites arises due to their technological and industrial applications in electronic and spintronic devices. Among magnetic ferrites with formula $ XFe_{2} %$ O_{4} $ (where X = Co, Ni, etc.), magnesium ferrite, with unique magnetic properties along with n-type conductivity, has significant advantage over other spinel ferrites. In this work $ MgFe_{2} %$ O_{4} $ sols and thin films are prepared using sol–gel and spin coating method. Mg/Fe ratio is varied as 0.4, 0.45, 0.5, 0.55, 0.6. Magnetic properties of sols indicate presence of single magnetic phase with Mg/Fe ratio of 0.55. Variation in Mg/Fe ratio during sol synthesis not only affects the magnetic properties but also affects phase purity of magnesium iron oxide thin films. Presence of diffraction peaks corresponding to (220), (222), (400), (331) and (620) planes confirm the formation of $ MgFe_{2} %$ O_{4} $ at low annealing temperature of 300 °C with Mg/Fe ratio of 0.55. This is the lowest temperature that has ever been reported for the formation of phase pure $ MgFe_{2} %$ O_{4} $ thin films. Phase purity at Mg/Fe ratio of 0.55 also results in high dielectric constant and low dielectric loss. Arrhenius plot for conductivity shows semiconducting behavior due to electron hopping between $ Fe^{2+} $ and $ Fe^{3+} $ cations. Moreover, strong magnetic behavior with high saturation magnetization of 163 emu/$ cm^{3} $ is obtained with Mg/Fe ratio of 0.55. Saturation magnetization decrease with Mg/Fe 0.4, 0.45, 0.5 and 0.6. Sol–gel (dpeaa)DE-He213 Spinel (dpeaa)DE-He213 Ferrites (dpeaa)DE-He213 Magnesium iron oxide (dpeaa)DE-He213 Phase pure (dpeaa)DE-He213 Riaz, S. verfasserin aut Akbar, A. verfasserin aut Naseem, S. verfasserin aut Enthalten in Journal of sol gel science and technology Dordrecht [u.a.] : Springer Science + Business Media B.V, 1993 74(2014), 2 vom: 15. Okt., Seite 340-351 (DE-627)268757607 (DE-600)1472726-2 1573-4846 nnns volume:74 year:2014 number:2 day:15 month:10 pages:340-351 https://dx.doi.org/10.1007/s10971-014-3529-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 ASE 51.60 ASE AR 74 2014 2 15 10 340-351
language	English
source	Enthalten in Journal of sol gel science and technology 74(2014), 2 vom: 15. Okt., Seite 340-351 volume:74 year:2014 number:2 day:15 month:10 pages:340-351
sourceStr	Enthalten in Journal of sol gel science and technology 74(2014), 2 vom: 15. Okt., Seite 340-351 volume:74 year:2014 number:2 day:15 month:10 pages:340-351
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Sol–gel Spinel Ferrites Magnesium iron oxide Phase pure
dewey-raw	600
isfreeaccess_bool	false
container_title	Journal of sol gel science and technology
authorswithroles_txt_mv	Azam, M. @@aut@@ Riaz, S. @@aut@@ Akbar, A. @@aut@@ Naseem, S. @@aut@@
publishDateDaySort_date	2014-10-15T00:00:00Z
hierarchy_top_id	268757607
dewey-sort	3600
id	SPR015258912
language_de	englisch
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author	Azam, M.
spellingShingle	Azam, M. ddc 600 bkl 35.18 bkl 51.60 misc Sol–gel misc Spinel misc Ferrites misc Magnesium iron oxide misc Phase pure Structural, magnetic and dielectric properties of spinel $ MgFe_{2} %$ O_{4} $ by sol–gel route
authorStr	Azam, M.
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topic_title	600 670 ASE 35.18 bkl 51.60 bkl Structural, magnetic and dielectric properties of spinel $ MgFe_{2} %$ O_{4} $ by sol–gel route Sol–gel (dpeaa)DE-He213 Spinel (dpeaa)DE-He213 Ferrites (dpeaa)DE-He213 Magnesium iron oxide (dpeaa)DE-He213 Phase pure (dpeaa)DE-He213
topic	ddc 600 bkl 35.18 bkl 51.60 misc Sol–gel misc Spinel misc Ferrites misc Magnesium iron oxide misc Phase pure
topic_unstemmed	ddc 600 bkl 35.18 bkl 51.60 misc Sol–gel misc Spinel misc Ferrites misc Magnesium iron oxide misc Phase pure
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title	Structural, magnetic and dielectric properties of spinel $ MgFe_{2} %$ O_{4} $ by sol–gel route
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title_full	Structural, magnetic and dielectric properties of spinel $ MgFe_{2} %$ O_{4} $ by sol–gel route
author_sort	Azam, M.
journal	Journal of sol gel science and technology
journalStr	Journal of sol gel science and technology
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author_browse	Azam, M. Riaz, S. Akbar, A. Naseem, S.
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author-letter	Azam, M.
doi_str_mv	10.1007/s10971-014-3529-8
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title_sort	structural, magnetic and dielectric properties of spinel $ mgfe_{2} %$ o_{4} $ by sol–gel route
title_auth	Structural, magnetic and dielectric properties of spinel $ MgFe_{2} %$ O_{4} $ by sol–gel route
abstract	Abstract Importance of spinel ferrites arises due to their technological and industrial applications in electronic and spintronic devices. Among magnetic ferrites with formula $ XFe_{2} %$ O_{4} $ (where X = Co, Ni, etc.), magnesium ferrite, with unique magnetic properties along with n-type conductivity, has significant advantage over other spinel ferrites. In this work $ MgFe_{2} %$ O_{4} $ sols and thin films are prepared using sol–gel and spin coating method. Mg/Fe ratio is varied as 0.4, 0.45, 0.5, 0.55, 0.6. Magnetic properties of sols indicate presence of single magnetic phase with Mg/Fe ratio of 0.55. Variation in Mg/Fe ratio during sol synthesis not only affects the magnetic properties but also affects phase purity of magnesium iron oxide thin films. Presence of diffraction peaks corresponding to (220), (222), (400), (331) and (620) planes confirm the formation of $ MgFe_{2} %$ O_{4} $ at low annealing temperature of 300 °C with Mg/Fe ratio of 0.55. This is the lowest temperature that has ever been reported for the formation of phase pure $ MgFe_{2} %$ O_{4} $ thin films. Phase purity at Mg/Fe ratio of 0.55 also results in high dielectric constant and low dielectric loss. Arrhenius plot for conductivity shows semiconducting behavior due to electron hopping between $ Fe^{2+} $ and $ Fe^{3+} $ cations. Moreover, strong magnetic behavior with high saturation magnetization of 163 emu/$ cm^{3} $ is obtained with Mg/Fe ratio of 0.55. Saturation magnetization decrease with Mg/Fe 0.4, 0.45, 0.5 and 0.6.
abstractGer	Abstract Importance of spinel ferrites arises due to their technological and industrial applications in electronic and spintronic devices. Among magnetic ferrites with formula $ XFe_{2} %$ O_{4} $ (where X = Co, Ni, etc.), magnesium ferrite, with unique magnetic properties along with n-type conductivity, has significant advantage over other spinel ferrites. In this work $ MgFe_{2} %$ O_{4} $ sols and thin films are prepared using sol–gel and spin coating method. Mg/Fe ratio is varied as 0.4, 0.45, 0.5, 0.55, 0.6. Magnetic properties of sols indicate presence of single magnetic phase with Mg/Fe ratio of 0.55. Variation in Mg/Fe ratio during sol synthesis not only affects the magnetic properties but also affects phase purity of magnesium iron oxide thin films. Presence of diffraction peaks corresponding to (220), (222), (400), (331) and (620) planes confirm the formation of $ MgFe_{2} %$ O_{4} $ at low annealing temperature of 300 °C with Mg/Fe ratio of 0.55. This is the lowest temperature that has ever been reported for the formation of phase pure $ MgFe_{2} %$ O_{4} $ thin films. Phase purity at Mg/Fe ratio of 0.55 also results in high dielectric constant and low dielectric loss. Arrhenius plot for conductivity shows semiconducting behavior due to electron hopping between $ Fe^{2+} $ and $ Fe^{3+} $ cations. Moreover, strong magnetic behavior with high saturation magnetization of 163 emu/$ cm^{3} $ is obtained with Mg/Fe ratio of 0.55. Saturation magnetization decrease with Mg/Fe 0.4, 0.45, 0.5 and 0.6.
abstract_unstemmed	Abstract Importance of spinel ferrites arises due to their technological and industrial applications in electronic and spintronic devices. Among magnetic ferrites with formula $ XFe_{2} %$ O_{4} $ (where X = Co, Ni, etc.), magnesium ferrite, with unique magnetic properties along with n-type conductivity, has significant advantage over other spinel ferrites. In this work $ MgFe_{2} %$ O_{4} $ sols and thin films are prepared using sol–gel and spin coating method. Mg/Fe ratio is varied as 0.4, 0.45, 0.5, 0.55, 0.6. Magnetic properties of sols indicate presence of single magnetic phase with Mg/Fe ratio of 0.55. Variation in Mg/Fe ratio during sol synthesis not only affects the magnetic properties but also affects phase purity of magnesium iron oxide thin films. Presence of diffraction peaks corresponding to (220), (222), (400), (331) and (620) planes confirm the formation of $ MgFe_{2} %$ O_{4} $ at low annealing temperature of 300 °C with Mg/Fe ratio of 0.55. This is the lowest temperature that has ever been reported for the formation of phase pure $ MgFe_{2} %$ O_{4} $ thin films. Phase purity at Mg/Fe ratio of 0.55 also results in high dielectric constant and low dielectric loss. Arrhenius plot for conductivity shows semiconducting behavior due to electron hopping between $ Fe^{2+} $ and $ Fe^{3+} $ cations. Moreover, strong magnetic behavior with high saturation magnetization of 163 emu/$ cm^{3} $ is obtained with Mg/Fe ratio of 0.55. Saturation magnetization decrease with Mg/Fe 0.4, 0.45, 0.5 and 0.6.
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title_short	Structural, magnetic and dielectric properties of spinel $ MgFe_{2} %$ O_{4} $ by sol–gel route
url	https://dx.doi.org/10.1007/s10971-014-3529-8
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author2	Riaz, S. Akbar, A. Naseem, S.
author2Str	Riaz, S. Akbar, A. Naseem, S.
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doi_str	10.1007/s10971-014-3529-8
up_date	2024-07-03T15:01:06.245Z
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Among magnetic ferrites with formula $ XFe_{2} %$ O_{4} $ (where X = Co, Ni, etc.), magnesium ferrite, with unique magnetic properties along with n-type conductivity, has significant advantage over other spinel ferrites. In this work $ MgFe_{2} %$ O_{4} $ sols and thin films are prepared using sol–gel and spin coating method. Mg/Fe ratio is varied as 0.4, 0.45, 0.5, 0.55, 0.6. Magnetic properties of sols indicate presence of single magnetic phase with Mg/Fe ratio of 0.55. Variation in Mg/Fe ratio during sol synthesis not only affects the magnetic properties but also affects phase purity of magnesium iron oxide thin films. Presence of diffraction peaks corresponding to (220), (222), (400), (331) and (620) planes confirm the formation of $ MgFe_{2} %$ O_{4} $ at low annealing temperature of 300 °C with Mg/Fe ratio of 0.55. This is the lowest temperature that has ever been reported for the formation of phase pure $ MgFe_{2} %$ O_{4} $ thin films. 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Structural, magnetic and dielectric properties of spinel $ MgFe_{2} %$ O_{4} $ by sol–gel route

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