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Anti-site mixing and magnetic properties of Fe3Co3Nb2
Fe3Co3Nb is a newly discovered alloy that potentially exhibit high magnetic anisotropy and high saturation magnetization, which is appealing for application as a permanent magnet. Using neutron powder diffraction, we have found strong Co/Fe anti-site mixing, which explains the difference between the measured and predicted magnetic anisotropy and hints a route toward how to enhance it. See more details: Journal of Physics D: Applied Physics 50, 025002 (2017).
Room temperature ferroelectricity in continuous croconic acid thin films
Croconic acid is an organic ferroelectric material above room temperature. However, the fabrication of thin films has been difficult. Using physical vapor deposition at high vacuum, we demonstrated the growth of continuous croconic acid films of nm thickness, which retain room temperature ferroelectricity at the same time. See more details: Applied Physics Letters 109, 102902 (2016).
Kinetics and intermediate phases in epitaxial growth of Fe3O4 films from deposition and thermal reduction
Fe3O4 is arguably the oldest magnetic material known to the human beings. Yet new functionalities are being exploited constantly. Using the thermal reduction method, we have successfully grown Fe3O4 thin films of flat surface (atomic terrace). See more details: Journal of Applied Physics 120, 085313 (2016).