Please use this identifier to cite or link to this item: https://doi.org/10.1038/srep24188
Title: Oxygen vacancies controlled multiple magnetic phases in epitaxial single crystal Co0.5 (Mg0.55 Zn0.45)0.5 O 1-v thin films
Authors: Zhu, D 
Cao, Q
Qiao, R
Zhu, S
Yang, W
Xia, W
Tian, Y
Liu, G
Yan, S
Issue Date: 2016
Publisher: Nature Publishing Group
Citation: Zhu, D, Cao, Q, Qiao, R, Zhu, S, Yang, W, Xia, W, Tian, Y, Liu, G, Yan, S (2016). Oxygen vacancies controlled multiple magnetic phases in epitaxial single crystal Co0.5 (Mg0.55 Zn0.45)0.5 O 1-v thin films. Scientific Reports 6 : 24188. ScholarBank@NUS Repository. https://doi.org/10.1038/srep24188
Rights: Attribution 4.0 International
Abstract: High quality single-crystal fcc-Cox (Mgy Zn1-y)1-x O1-v epitaxial thin films with high Co concentration up to x = 0.5 have been fabricated by molecular beam epitaxy. Systematic magnetic property characterization and soft X-ray absorption spectroscopy analysis indicate that the coexistence of ferromagnetic regions, superparamagnetic clusters, and non-magnetic boundaries in the as-prepared Co x (Mgy Zn1-y)1-x O1-v films is a consequence of the intrinsic inhomogeneous distribution of oxygen vacancies. Furthermore, the relative strength of multiple phases could be modulated by controlling the oxygen partial pressure during sample preparation. Armed with both controllable magnetic properties and tunable band-gap, Cox (Mgy Zn1-y)1-x O1-v films may have promising applications in future spintronics.
Source Title: Scientific Reports
URI: https://scholarbank.nus.edu.sg/handle/10635/182484
ISSN: 2045-2322
DOI: 10.1038/srep24188
Rights: Attribution 4.0 International
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