Studies on structural, magnetic, and DC electrical resistivity properties of Co0.5M0.37Cu0.13Fe2O4 (M = Ni, Zn and Mg) ferrite nanoparticle systems

Ramakrishna, A.; Murali, N.; Margarette, S.J.; Mammo, Tulu Wegayehu; Joythi, N. Krishna; Sailaja, B. B. V.; Kumari, Ch.C. Sailaja; Samatha, K.; Veeraiah, V.

doi:10.1016/j.apt.2018.07.005

Cited by 45 publications

(3 citation statements)

References 17 publications

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“…[5][6][7][8] The different rare earth ions such as Sm 3+ , Nd 3+ , and Ho 3+ doped-cobalt ferrite have been synthesized and have interesting electrical and magnetic properties. [9][10][11][12] Again, Ce 3+ doped-cobalt ferrite has been investigated by Hashim et al, 13 Hongxia et al 14 (supercapacitors), Nabi et al 15 (neutron diffraction and Mössbauer spectroscopy studies), and Hashhash et al 16 Also, in the field of adding a conductive polymer to increase the conductive properties of the compound, a lot of research has been done on different polymers such as polyaniline, which has easy synthesis and good stability, and its emeraldine salt type (green color) also has high electrical conductivity. These properties have caused the selection of this polymer as a conductive polymer.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of new Ce doped‐semiconductor nanocomposite with high specific capacitance

Hashemibagha,

Alemi,

Tadjarodi

2024

Applied Organom Chemis

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In this study, we introduce an effective strategy to prepare electrodes containing new nanocomposites with high specific capacity. This research led to the preparation of CoFe2‐xCexO4/rGO‐Pani nanocomposite with an extraordinary specific capacitance of 3257.83 F·g−1 (at 10 mV·s−1), a power density of 349.951 W/kg, and an energy density of 3.52 Wh/kg. Also, electrical conductivity studies for new nanocomposite showed good electrical conductivity and better semiconducting properties compared with its similar compounds. Also, the synthesized compounds were characterized and identified by other analyses. FT‐IR analysis for reduced graphene oxide showed that graphene oxide was well reduced. It also confirmed the presence of Ce‐O for both CoFe2‐xCexO4/rGO‐Pani and CoFe2O4‐CeO2/rGO‐Pani magnetic nanocomposites. XRD analysis confirmed the crystal structure for rGO, CoFe2‐xCexO4/rGO‐Pani, and CoFe2O4‐CeO2/rGO‐Pani. VSM analysis was done to check the magnetic properties of the nanocomposite, and the magnetic values were measured as expected. In the following, morphological studies and the uniformity of distribution of elements in magnetic nanocomposite were carried out with FE‐SEM and Map, respectively.

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Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of new Ce doped‐semiconductor nanocomposite with high specific capacitance

Hashemibagha,

Alemi,

Tadjarodi

2024

Applied Organom Chemis

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“…Dalal et al [7] also synthesized Ni0.4Zn0.4Co0.2Fe2O4 NPs by co-precipitation method and obtained crystallites with a size of about 34.7 nm and high magnetization (84 emu/g) at room temperature. Ramakrishna et al [8] synthesized Co0.5Zn0.37Cu0.13Fe2O4 NPs with crystallite diameters 82.41 nm via sol-gel method. They reported Ms, Hc, K and nB of the NPs equal to 50.35 emu/g, 198.9 Oe, 1.7 x 10 4 erg/Oe and 2.9 µB, respectively.…”

Section: Introductionmentioning

confidence: 99%

Role of Praseodymium Addition in the Microstructure and Magnetic Properties of ZnCo Ferrite Nanopowders: Positive or Negative?

Shahbahrami

Rabiee

Shidpoor

et al. 2022

IJE

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In order to investigate the effect of praseodymium (Pr) addition on the microstructure and magnetic properties of cobalt-zinc ferrite nanoparticles (NPs), different values of Pr element (x=0.2, 0.4 and 0.6) were added to the initial composition (Co0.6Zn0.4Fe2-xPrxO4) in the co-precipitation method, and the prepared precipitates calcined at 750 °C for 2 h. The synthesized powders were characterized by X-ray diffraction (XRD), field emission electron microscopy (FESEM), Fourier transform infrared spectroscopy (FTIR), and vibrating sample magnetometer (VSM). XRD pattern revealed the formation of a secondary phase of Pr-Fe oxide in addition to the ZnCo ferrite phase in the samples. FESEM images showed changes in the morphology and size of the particles by adding Pr to the composition. For specimen with x=0.2, the homogeneous spherical like particles with the size about less than 60 nm was formed. Whereas, for composition containing x=0.6 of Pr, a non-uniform powder with plate like particles was obtained and NPs had a thickness of approximately less than 30 nm. VSM analysis indicated that by increasing the element Pr to the cobalt-zinc ferrite composition, especially for values higher than x=0.2, the powder become a completely non-magnetic material.

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“…Существуют различные технологии синтеза ферритовых материалов: твердофазный синтез [4], соосаждения [5], золь-гель [6,7], самовоспламенения [8,9] и др. Наиболее перспективным с точки зрения количественного выхода феррита является твердофазный синтез (керамическая технология).…”

Section: Introductionunclassified

Synthesis, Structure and Properties of Zn0.3Ni0.7–xCoxFe2O4 (x = 0–0.6) Ferrite.

Sherstyuk¹,

Starikov²,

Живулин³

et al. 2020

Chem

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For many years, Ni-Zn ferrites with the spinel structure have actively been used as various components for RF devices. An analysis of modern scientific literature has been carried out, as a result of which an alloying element has been determined that will change the complex of physicochemical properties of the initial matrix of Ni-Zn ferrite. The article presents the results of a study of the Zn0.3Ni0.7–xCoxFe2O4 ferrite, where x takes the value 0–0.6 in increments of 0.2. In addition to the alloying element, the properties of the samples under study are affected by selection of the method of obtaining the material, as well as the temperature-time mode of synthesis. The samples have been obtained by the solid-phase synthesis in a tube furnace with silicon carbide heaters at a temperature of 1150 °C for 5 hours of isothermal exposure. The objective of the present study is to obtain new compositions of nickel-zinc ferrite doped by cobalt according to the already known technology for a wider concentration range, as well as investigate their properties. The chemical composition has been analyzed on a Jeol JSM 7001F scanning electron microscope equipped with an Oxford INCA X-max 80 X-ray dispersion spectrometer to determine the actual gross formula of sintered samples, the results of which are in good agreement with the theoretical given formulas. As a result of X-ray phase analysis (RigakuUltima IV), it has been found that all the samples under study are monophasic and have the spinel structure with an Fd-3m space group. Unit cell parameters monotonically increase with increasing cobalt concentration x (Co) (from 8.3643 (4) Å to 8.3983 (4) Å). As a result of the study of DSC curves (Netzsch, STA 449 F1 Jupiter), it has been found that partial replacement of Ni and Zn ions by cobalt ions leads to a decrease in the Curie temperature (from 341 °C to 419 °C). Since ferrite parts are used at various temperature conditions, such alloying makes it possible to effectively control the range of working temperatures of the material.

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Studies on structural, magnetic, and DC electrical resistivity properties of Co0.5M0.37Cu0.13Fe2O4 (M = Ni, Zn and Mg) ferrite nanoparticle systems

Cited by 45 publications

References 17 publications

Synthesis and characterization of new Ce doped‐semiconductor nanocomposite with high specific capacitance

Synthesis and characterization of new Ce doped‐semiconductor nanocomposite with high specific capacitance

Role of Praseodymium Addition in the Microstructure and Magnetic Properties of ZnCo Ferrite Nanopowders: Positive or Negative?

Synthesis, Structure and Properties of Zn0.3Ni0.7–xCoxFe2O4 (x = 0–0.6) Ferrite.

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Studies on structural, magnetic, and DC electrical resistivity properties of Co0.5M0.37Cu0.13Fe2O4 (M = Ni, Zn and Mg) ferrite nanoparticle systems

Cited by 45 publications

References 17 publications

Synthesis and characterization of new Ce doped‐semiconductor nanocomposite with high specific capacitance

Synthesis and characterization of new Ce doped‐semiconductor nanocomposite with high specific capacitance

Role of Praseodymium Addition in the Microstructure and Magnetic Properties of ZnCo Ferrite Nanopowders: Positive or Negative?

Synthesis, Structure and Properties of Zn0.3Ni0.7–xCoxFe2O4 (x = 0–0.6) Ferrite.

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Studies on structural, magnetic, and DC electrical resistivity properties of Co0.5M0.37Cu0.13Fe2O4 (M = Ni, Zn and Mg) ferrite nanoparticle systems