首页|Magnetic proximity effect in the two-dimensional ε-Fe2O3/NbSe2 heterojunction

Magnetic proximity effect in the two-dimensional ε-Fe2O3/NbSe2 heterojunction

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Two-dimensional(2D)magnet/superconductor heterostructures can promote the design of artificial materials for ex-ploring 2D physics and device applications by exotic proximity effects.However,plagued by the low Curie temperature and instability in air,it is hard to realize practical applications for the reported layered magnetic materials at present.In this pa-per,we developed a space-confined chemical vapor deposition method to synthesize ultrathin air-stable ε-Fe2O3 nanosheets with Curie temperature above 350 K.The ε-Fe2O3/NbSe2 heterojunction was constructed to study the magnetic proximity effect on the superconductivity of the NbSe2 multilayer.The electrical transport results show that the subtle proximity effect can modulate the interfacial spin-orbit interaction while undegrading the superconducting critical parameters.Our work paves the way to construct 2D heterojunctions with ultrathin nonlayered materials and layered van der Waals(vdW)materials for exploring new physical phenomena.

two-dimensional heterojunctionsmagnetic proximity effectnon-layered magnetic nanosheetspin-orbit interaction

车冰玉、胡国静、朱超、郭辉、吕森浩、刘轩冶、吴康、赵振、潘禄禄、祝轲、齐琦、韩烨超、林晓、李子安、申承民、鲍丽宏、刘政、周家东、杨海涛、高鸿钧

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Beijing National Center for Condensed Matter Physics and Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China

School of Physical Sciences,University of Chinese Academy of Sciences,Beijing 100190,China

School of Materials Science and Engineering,Nanyang Technological University,Singapore

School of Physical Science and Technology,Guangxi University,Guangxi 530004,China

School of Physics,Beijing Institute of Technology,Beijing 100081,China

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National Key Research and Development Program of ChinaNational Natural Science Foundation of ChinaChinese Academy of SciencesChinese Academy of Sciences

2022YFA120410461888102ZDBS-SSW-WHC001XDB33030100

2024

10.1088/1674-1056/ad09d2

中国物理B(英文版)
中国物理学会和中国科学院物理研究所

中国物理B(英文版)

CSTPCDEI
影响因子：0.995
ISSN：1674-1056
年,卷(期)：2024.33(2)
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