2011
DOI: 10.1007/s10973-011-1289-z
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Synthesis and characterization of Ni0.6Zn0.4Fe2O4 nano-particles obtained by auto catalytic thermal decomposition of carboxylato-hydrazinate complex

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Cited by 23 publications
(6 citation statements)
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“…The obtained Curie temperature value, T C , of the samples are lower than that of polycrystalline NiFe 2 O 4 (T C ¼ 883 K) 32 and NiFe 2 O 4 nanoparticles (T C > 800 K) 69 as well as Ni 0.6 Zn 0.4 Fe 2 O 4 nanoparticles (T C ¼ 663 K) reported by Gawas et al 70 The difference can be due to the replacement of magnetic Fe 3+ ions by nonmagnetic Al 3+ ions. The substitution of nonmagnetic ions reduces active magnetic linkages for magnetic ion per formula unit as a result Curie temperature decreases.…”
Section: Magnetic Propertiescontrasting
confidence: 55%
“…The obtained Curie temperature value, T C , of the samples are lower than that of polycrystalline NiFe 2 O 4 (T C ¼ 883 K) 32 and NiFe 2 O 4 nanoparticles (T C > 800 K) 69 as well as Ni 0.6 Zn 0.4 Fe 2 O 4 nanoparticles (T C ¼ 663 K) reported by Gawas et al 70 The difference can be due to the replacement of magnetic Fe 3+ ions by nonmagnetic Al 3+ ions. The substitution of nonmagnetic ions reduces active magnetic linkages for magnetic ion per formula unit as a result Curie temperature decreases.…”
Section: Magnetic Propertiescontrasting
confidence: 55%
“…The structural and electrical properties of spinel ferrites are closely related. In some previous reports the structural, electrical and magnetic properties of Ni-Zn ferrites, prepared by different techniques, have been investigated [11][12][13][14][15][16][17][18][19][20].…”
Section: Introductionmentioning
confidence: 99%
“…Here in the Ni–Zn–Co ferrite sample, the replacement of Fe 3+ ions by Gd 3+ ions may reduce active magnetic connections for magnetic ion per formula unit resulting in a decrease of T C . 63–65 In addition, the exchange interaction J for A–B sublattice is proportional to T C , which can be expressed by 66 where, K B is the Boltzmann constant, z = 8 and s = 1/2. Therefore, J is directly proportional to T C in thermo-magnetization and shown in Fig.…”
Section: Resultsmentioning
confidence: 99%