The influence of Mn doping level on magnetostriction coefficient of cobalt ferrite

Ovidiu Caltun; G. S.N. Rao; K. H. Rao; B. Parvatheeswara Rao; Ioan Dumitru; Chong Oh Kim; Cheol Gi Kim

doi:10.1016/j.jmmm.2007.03.045

The influence of Mn doping level on magnetostriction coefficient of cobalt ferrite

Ovidiu Caltun
, G. S.N. Rao
, K. H. Rao
, B. Parvatheeswara Rao
, Ioan Dumitru
, Chong Oh Kim
, Cheol Gi Kim

Department of Physics and Chemistry

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

93 Scopus citations

Abstract

Cobalt ferrite materials with different concentrations of manganese additions have been prepared by conventional ceramic technique. The samples were sintered for 5 h in air at 1180 °C followed by natural cooling. Microstructures of the materials reveal that cobalt additions influence the average grain size and the pore distribution. The X-ray analysis proves the existence of the spinel structure. The doping level decreases the Curie temperature and increases the magnetostriction coefficient. By adjusting manganese content and the sintering process parameters the material properties should be optimized for use in magnetomechanical stress sensors.

Original language	English
Pages (from-to)	e618-e620
Journal	Journal of Magnetism and Magnetic Materials
Volume	316
Issue number	2 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.jmmm.2007.03.045
State	Published - Sep 2007

Bibliographical note

Funding Information:
This work was supported by Romanian MATNANTECH Program under CEEX MASTRICH and CEEX MAGSAT projects. BPR acknowledges the support from Korean Brain Pool Program during the course of investigations.

Keywords

Magnetomechanical properties
Manganese doped cobalt ferrites
Microstructure

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10.1016/j.jmmm.2007.03.045

Cite this

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title = "The influence of Mn doping level on magnetostriction coefficient of cobalt ferrite",

abstract = "Cobalt ferrite materials with different concentrations of manganese additions have been prepared by conventional ceramic technique. The samples were sintered for 5 h in air at 1180 °C followed by natural cooling. Microstructures of the materials reveal that cobalt additions influence the average grain size and the pore distribution. The X-ray analysis proves the existence of the spinel structure. The doping level decreases the Curie temperature and increases the magnetostriction coefficient. By adjusting manganese content and the sintering process parameters the material properties should be optimized for use in magnetomechanical stress sensors.",

keywords = "Magnetomechanical properties, Manganese doped cobalt ferrites, Microstructure",

author = "Ovidiu Caltun and Rao, \{G. S.N.\} and Rao, \{K. H.\} and \{Parvatheeswara Rao\}, B. and Ioan Dumitru and Kim, \{Chong Oh\} and Kim, \{Cheol Gi\}",

note = "Funding Information: This work was supported by Romanian MATNANTECH Program under CEEX MASTRICH and CEEX MAGSAT projects. BPR acknowledges the support from Korean Brain Pool Program during the course of investigations.",

year = "2007",

month = sep,

doi = "10.1016/j.jmmm.2007.03.045",

language = "English",

volume = "316",

pages = "e618--e620",

journal = "Journal of Magnetism and Magnetic Materials",

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T1 - The influence of Mn doping level on magnetostriction coefficient of cobalt ferrite

AU - Caltun, Ovidiu

AU - Rao, G. S.N.

AU - Rao, K. H.

AU - Parvatheeswara Rao, B.

AU - Dumitru, Ioan

AU - Kim, Chong Oh

AU - Kim, Cheol Gi

N1 - Funding Information: This work was supported by Romanian MATNANTECH Program under CEEX MASTRICH and CEEX MAGSAT projects. BPR acknowledges the support from Korean Brain Pool Program during the course of investigations.

PY - 2007/9

Y1 - 2007/9

N2 - Cobalt ferrite materials with different concentrations of manganese additions have been prepared by conventional ceramic technique. The samples were sintered for 5 h in air at 1180 °C followed by natural cooling. Microstructures of the materials reveal that cobalt additions influence the average grain size and the pore distribution. The X-ray analysis proves the existence of the spinel structure. The doping level decreases the Curie temperature and increases the magnetostriction coefficient. By adjusting manganese content and the sintering process parameters the material properties should be optimized for use in magnetomechanical stress sensors.

AB - Cobalt ferrite materials with different concentrations of manganese additions have been prepared by conventional ceramic technique. The samples were sintered for 5 h in air at 1180 °C followed by natural cooling. Microstructures of the materials reveal that cobalt additions influence the average grain size and the pore distribution. The X-ray analysis proves the existence of the spinel structure. The doping level decreases the Curie temperature and increases the magnetostriction coefficient. By adjusting manganese content and the sintering process parameters the material properties should be optimized for use in magnetomechanical stress sensors.

KW - Magnetomechanical properties

KW - Manganese doped cobalt ferrites

KW - Microstructure

UR - https://www.scopus.com/pages/publications/34250325024

U2 - 10.1016/j.jmmm.2007.03.045

DO - 10.1016/j.jmmm.2007.03.045

M3 - Article

AN - SCOPUS:34250325024

SN - 0304-8853

VL - 316

SP - e618-e620

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

IS - 2 SPEC. ISS.

ER -

The influence of Mn doping level on magnetostriction coefficient of cobalt ferrite

Abstract

Bibliographical note

Keywords

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