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Title: 2D magnetic mesocrystals for bit patterned media
Authors: Guo, Shanshan
Xu, Feng
Wang, Baomin
Wang, Ning
Yang, Huali
Dhanapal, Pravarthana
Xue, Fei
Wang, Junling
Li, Run-Wei
Keywords: Engineering::Materials
Issue Date: 2018
Source: Guo, S., Xu, F., Wang, B., Wang, N., Yang, H., Dhanapal, P., . . . Li, R.-W. (2018). 2D magnetic mesocrystals for bit patterned media. Advanced Materials Interfaces, 5(21), 1800997-. doi:10.1002/admi.201800997
Journal: Advanced Materials Interfaces
Abstract: Bit patterned media exhibits great potential in satisfying the increasing demand for higher information storage density, but the present media fabrication technique is complicated. Here, a 2D magnetic mesocrystal with monodisperse CoFe2O4 (CFO) nanocrystals is fabricated through a combination of nanoseeds layer growth and oxides self‐assembly method. The monodisperse CFO nanomagnets protrude from the substrate surface with perfect crystal facets, specific crystallographic orientation, and are fully relaxed. Systematic magnetic characterizations, such as dynamic cantilever magnetometry for single CFO nanocrystal, magnetic force microscopy, and superconducting quantum interference device magnetometry for large area, reveal the novel tilted magnetic anisotropy and the switchable single domain state. This work provides a new way to fabricate bit patterned media with controlled material structure simply by a nanoseeds‐mediated self‐assembly method.
ISSN: 2196-7350
DOI: 10.1002/admi.201800997
Rights: © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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