Microwave combustion synthesis of zinc substituted nanocrystalline spinel cobalt ferrite: Structural and magnetic studies

M. Sundararajan; L. John Kennedy; Udaya Aruldoss; Sk Khadeer Pasha; J. Judith Vijaya; Steve Dunn

doi:10.1016/j.mssp.2015.06.002

Microwave combustion synthesis of zinc substituted nanocrystalline spinel cobalt ferrite: Structural and magnetic studies

M. Sundararajan, L. John Kennedy, Udaya Aruldoss, Sk Khadeer Pasha, J. Judith Vijaya, Steve Dunn

Research output: Contribution to journal › Article › peer-review

67 Citations (Scopus)

Abstract

Zinc doped cobalt ferrite spinel nanoparticles were prepared by the microwave combustion method. All the samples were characterized by using X-ray diffraction technique (XRD), Scanning Electron Microscopy, energy dispersive X-ray analysis, UV-visible diffuse reflectance spectroscopy, Fourier transformed infrared (FT-IR) spectroscopy and vibrating sample magnetometry. The XRD patterns confirmed the formation of single phase CoFe₂O₄ inverse spinel structure without impurities. The lattice parameter increased from 8.380 to 8.396 Å with increasing Zn²⁺ fraction. The average crystallite sizes obtained by a Scherrer method varied between 46.22 nm and 30.79 nm. The estimated band gap energy values increases with an increasing zinc fraction (1.88-2.10 eV). The elemental composition of Zn, Co, and Fe was qualitatively obtained from energy dispersive X-ray (EDX) analysis.

Original language	English
Pages (from-to)	1-10
Number of pages	10
Journal	Materials Science in Semiconductor Processing
Volume	40
DOIs	https://doi.org/10.1016/j.mssp.2015.06.002
Publication status	Published - 2 Jul 2015
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2015 Elsevier Ltd.

Keywords

Ferrite nanoparticles
Magnetic property
Microwave processing
Optical property
Stretching frequencies

Access to Document

10.1016/j.mssp.2015.06.002

Cite this

@article{e2175ce3156c4595b5b152a06910ca2a,

title = "Microwave combustion synthesis of zinc substituted nanocrystalline spinel cobalt ferrite: Structural and magnetic studies",

abstract = "Zinc doped cobalt ferrite spinel nanoparticles were prepared by the microwave combustion method. All the samples were characterized by using X-ray diffraction technique (XRD), Scanning Electron Microscopy, energy dispersive X-ray analysis, UV-visible diffuse reflectance spectroscopy, Fourier transformed infrared (FT-IR) spectroscopy and vibrating sample magnetometry. The XRD patterns confirmed the formation of single phase CoFe2O4 inverse spinel structure without impurities. The lattice parameter increased from 8.380 to 8.396 {\AA} with increasing Zn2+ fraction. The average crystallite sizes obtained by a Scherrer method varied between 46.22 nm and 30.79 nm. The estimated band gap energy values increases with an increasing zinc fraction (1.88-2.10 eV). The elemental composition of Zn, Co, and Fe was qualitatively obtained from energy dispersive X-ray (EDX) analysis.",

keywords = "Ferrite nanoparticles, Magnetic property, Microwave processing, Optical property, Stretching frequencies",

author = "M. Sundararajan and Kennedy, {L. John} and Udaya Aruldoss and Pasha, {Sk Khadeer} and Vijaya, {J. Judith} and Steve Dunn",

note = "Publisher Copyright: {\textcopyright} 2015 Elsevier Ltd.",

year = "2015",

month = jul,

day = "2",

doi = "10.1016/j.mssp.2015.06.002",

language = "English",

volume = "40",

pages = "1--10",

}

TY - JOUR

T1 - Microwave combustion synthesis of zinc substituted nanocrystalline spinel cobalt ferrite

T2 - Structural and magnetic studies

AU - Sundararajan, M.

AU - Kennedy, L. John

AU - Aruldoss, Udaya

AU - Pasha, Sk Khadeer

AU - Vijaya, J. Judith

AU - Dunn, Steve

PY - 2015/7/2

Y1 - 2015/7/2

N2 - Zinc doped cobalt ferrite spinel nanoparticles were prepared by the microwave combustion method. All the samples were characterized by using X-ray diffraction technique (XRD), Scanning Electron Microscopy, energy dispersive X-ray analysis, UV-visible diffuse reflectance spectroscopy, Fourier transformed infrared (FT-IR) spectroscopy and vibrating sample magnetometry. The XRD patterns confirmed the formation of single phase CoFe2O4 inverse spinel structure without impurities. The lattice parameter increased from 8.380 to 8.396 Å with increasing Zn2+ fraction. The average crystallite sizes obtained by a Scherrer method varied between 46.22 nm and 30.79 nm. The estimated band gap energy values increases with an increasing zinc fraction (1.88-2.10 eV). The elemental composition of Zn, Co, and Fe was qualitatively obtained from energy dispersive X-ray (EDX) analysis.

AB - Zinc doped cobalt ferrite spinel nanoparticles were prepared by the microwave combustion method. All the samples were characterized by using X-ray diffraction technique (XRD), Scanning Electron Microscopy, energy dispersive X-ray analysis, UV-visible diffuse reflectance spectroscopy, Fourier transformed infrared (FT-IR) spectroscopy and vibrating sample magnetometry. The XRD patterns confirmed the formation of single phase CoFe2O4 inverse spinel structure without impurities. The lattice parameter increased from 8.380 to 8.396 Å with increasing Zn2+ fraction. The average crystallite sizes obtained by a Scherrer method varied between 46.22 nm and 30.79 nm. The estimated band gap energy values increases with an increasing zinc fraction (1.88-2.10 eV). The elemental composition of Zn, Co, and Fe was qualitatively obtained from energy dispersive X-ray (EDX) analysis.

KW - Ferrite nanoparticles

KW - Magnetic property

KW - Microwave processing

KW - Optical property

KW - Stretching frequencies

U2 - 10.1016/j.mssp.2015.06.002

DO - 10.1016/j.mssp.2015.06.002

M3 - Article

AN - SCOPUS:84934276026

SN - 1369-8001

VL - 40

SP - 1

EP - 10

JO - Materials Science in Semiconductor Processing

JF - Materials Science in Semiconductor Processing

ER -