Gigantic Magneto–Optical Effects in Multilayer Assemblies of Two‐Dimensional Titania Nanosheets
作者： M. Osada , Y. Ebina , K. Takada , T. Sasaki
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摘要: A two‐dimensional titania nanosheet is proven to be useful as a host for spinelectronic materials. Magneto–optical measurements demonstrate that Co‐substituted titania nanosheets (Ti 0.8 Co 0.2 O 2) act as nanoscale ferromagnetic layers at room temperature, and their multilayer assemblies exhibit robust magnetic circular dichroism (MCD) in the ultraviolet–visible region. The availability of ferromagnetic nanostructures allows the rational design of high‐efficiency magneto–optical devices.
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