Issue 62, 2016

Magnetic domains in H-mediated Zn0.9Co0.1O microdisk arrays

Abstract

In this study, we have fabricated and studied magnetic domains in the periodic H-mediated Zn0.9Co0.1O (H-ZCO) microdisk structures at room temperature with the MFM technique. The results of MFM show that the z-component of the remanent magnetic moment is uniform even though the value is much smaller than that of the saturation magnetic moment. In the investigation of H-ZCO microdisk arrays in different volumes, the magnetic domains observed on different sizes of the H-ZCO microdisks exhibited the same magnetic domain characteristics, perpendicular magnetization, regardless of the volume. Also, we confirmed that the ferromagnetism in the H-ZnCoO system is mediated by hydrogens with the MFM results of ZnCoO hydrogen injected and dehydrogenated.

Graphical abstract: Magnetic domains in H-mediated Zn0.9Co0.1O microdisk arrays

Article information

Article type
Paper
Submitted
04 Mar 2016
Accepted
06 Jun 2016
First published
07 Jun 2016

RSC Adv., 2016,6, 57375-57379

Magnetic domains in H-mediated Zn0.9Co0.1O microdisk arrays

W. Kim, M. Cheon, S. Lee, T. Lee, J. J. Park, C. R. Cho, C. H. Park, I. Takeuchi and S. Jeong, RSC Adv., 2016, 6, 57375 DOI: 10.1039/C6RA05746B

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