<abstract xmlns="http://www.w3.org/1999/xhtml">The metamagnetic properties of the manganese magnesium ferrites having the general formula Mn0.7Mg0.3Fe2O4 prepared by the standard ceramic technique have been studied. It is proposed that when a change of temperature at adequate magnetic field is applied in a Mn0.7Mg0.3Fe2O4 a magnetic phase transition will be generated, giving rise to an antiferromagnetic (AFM) state from ferrimagnetic (FM) phase. The critical transition field <italic>H</italic>ac = 300 A/m was estimated for critical magnetization curve of transition from the metamagnetic behavior to FM behavior of sample. The FM to AFM transition in these ferrites is accompanied by a Néel type to Yafet-Kittel type transition and gradual spin ordering changes of the unit cell volume. The application of an external magnetic field to the low-temperatures AFM state causes the sample to reset to the original FM state.</abstract>

The metamagnetic properties of the manganese magnesium ferrites having the general formula Mn0.7Mg0.3Fe2O4 prepared by the standard ceramic technique have been studied. It is proposed that when a change of temperature at adequate magnetic field is applied in a Mn0.7Mg0.3Fe2O4 a magnetic phase transition will be generated, giving rise to an antiferromagnetic (AFM) state from ferrimagnetic (FM) phase. The critical transition field Hac = 300 A/m was estimated for critical magnetization curve of transition from the metamagnetic behavior to FM behavior of sample. The FM to AFM transition in these ferrites is accompanied by a Néel type to Yafet-Kittel type transition and gradual spin ordering changes of the unit cell volume. The application of an external magnetic field to the low-temperatures AFM state causes the sample to reset to the original FM state.

Metamagnetism in manganate magnesium ferrite

Institute of Electrical Engineering, Faculty of Electrical Engineering and Information Technology

Slovak University of Technology in Bratislava

Institute of Material Science, Faculty of Material Science and Technology in Trnava

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Metamagnetism in manganate magnesium ferrite"}

The metamagnetic properties of the manganese magnesium ferrites having the general formula Mn0.7Mg0.3Fe2O4 prepared by the standard ceramic technique have been...

Metamagnetism in manganate magnesium ferrite

Published Online: Mar 02, 2019

Page range: 78 - 81

Received: Feb 13, 2018

DOI: https://doi.org/10.2478/jee-2019-0012

Keywords
metamagnetism, MnMg ferrite, magnetic cloak

© 2019 Jozef Sláma et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Metamagnetism in manganate magnesium ferrite

Published Online: Mar 02, 2019

Page range: 78 - 81

Received: Feb 13, 2018

DOI: https://doi.org/10.2478/jee-2019-0012

Keywordsmetamagnetism, MnMg ferrite, magnetic cloak

© 2019 Jozef Sláma et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
metamagnetism, MnMg ferrite, magnetic cloak