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Imaging antiferromagnetic domains in nickel oxide thin films by optical birefringence effect

文献类型：期刊论文

作者Xu, Jia2,3; Zhou, Chao2,3; Jia, Mengwen2,3; Shi, Dong2,3; Liu, Changqing2,3; Chen, Haoran2,3; Chen, Gong4; Zhang, Guanhua5; Liang, Yu5; Li, Junqin6
刊名PHYSICAL REVIEW B
出版日期2019-10-10
卷号100期号:13页码:8
ISSN号2469-9950
DOI10.1103/PhysRevB.100.134413
通讯作者Zhang, Wei(weizhang@oakland.edu)
英文摘要Recent demonstrations of electrical detection and manipulation of antiferromagnets (AFMs) have opened new opportunities toward robust and ultrafast spintronics devices. However, it is difficult to establish the connection between the spin-transport behavior and the microscopic AFM domain states in thin films due to the lack of a real-time imaging technique under the electric field. Here we report a large magneto-optical birefringence effect with polarization rotation up to 60 millidegrees in thin NiO(001) films at room temperature. Such large optical polarization rotation allows us to directly observe AFM domains in thin-film NiO by utilizing a wide-field optical microscope. Complementary x-ray magnetic linear dichroism-photoemission electron microscopy measurement further confirms that the optical contrast is related to the NiO AFM domain. We examine the domain pattern evolution at a wide range of temperatures and with the application of external magnetic field. Comparing to large-scale-facility techniques such as x-ray photoemission electron microscopy, using a wide-field, tabletop optical imaging method in reflection geometry enables straightforward access to domain configurations of single-layer AFMs.
WOS关键词SURFACE ; MAGNETIZATION ; TEMPERATURE ; MEMORY ; TORQUE
资助项目National Key Basic Research Program of China[2015CB921401] ; National Key Research and Development Program of China[2016YFA0300703] ; National Natural Science Foundation of China[11474066] ; National Natural Science Foundation of China[11734006] ; National Natural Science Foundation of China[11434003] ; Program of Shanghai Academic Research Leader[17XD1400400] ; US National Science Foundation[DMR-1808892] ; UC Office of the President Multi-campus Research Programs and Initiatives[MRP-17-454963] ; NSF[DMR-1610060]
WOS研究方向Materials Science ; Physics
语种英语
出版者AMER PHYSICAL SOC
WOS记录号WOS:000489561700002
资助机构National Key Basic Research Program of China ; National Key Basic Research Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Program of Shanghai Academic Research Leader ; Program of Shanghai Academic Research Leader ; US National Science Foundation ; US National Science Foundation ; UC Office of the President Multi-campus Research Programs and Initiatives ; UC Office of the President Multi-campus Research Programs and Initiatives ; NSF ; NSF ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Program of Shanghai Academic Research Leader ; Program of Shanghai Academic Research Leader ; US National Science Foundation ; US National Science Foundation ; UC Office of the President Multi-campus Research Programs and Initiatives ; UC Office of the President Multi-campus Research Programs and Initiatives ; NSF ; NSF ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Program of Shanghai Academic Research Leader ; Program of Shanghai Academic Research Leader ; US National Science Foundation ; US National Science Foundation ; UC Office of the President Multi-campus Research Programs and Initiatives ; UC Office of the President Multi-campus Research Programs and Initiatives ; NSF ; NSF ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Program of Shanghai Academic Research Leader ; Program of Shanghai Academic Research Leader ; US National Science Foundation ; US National Science Foundation ; UC Office of the President Multi-campus Research Programs and Initiatives ; UC Office of the President Multi-campus Research Programs and Initiatives ; NSF ; NSF
源URL[http://cas-ir.dicp.ac.cn/handle/321008/172371]  
专题大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者Zhang, Wei
作者单位1.Oakland Univ, Dept Phys, Rochester, MI 48309 USA
2.Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
3.Fudan Univ, State Key Lab Surface Phys, Shanghai 200433, Peoples R China
4.Univ Calif Davis, Dept Phys, Davis, CA 95616 USA
5.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Liaoning, Peoples R China
6.Chinese Acad Sci, Zhangjiang Lab, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China
7.Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China
推荐引用方式
GB/T 7714		 Xu, Jia,Zhou, Chao,Jia, Mengwen,et al. Imaging antiferromagnetic domains in nickel oxide thin films by optical birefringence effect[J]. PHYSICAL REVIEW B,2019,100(13):8.
APA Xu, Jia.,Zhou, Chao.,Jia, Mengwen.,Shi, Dong.,Liu, Changqing.,...&Wu, Yizheng.(2019).Imaging antiferromagnetic domains in nickel oxide thin films by optical birefringence effect.PHYSICAL REVIEW B,100(13),8.
MLA Xu, Jia,et al."Imaging antiferromagnetic domains in nickel oxide thin films by optical birefringence effect".PHYSICAL REVIEW B 100.13(2019):8.

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来源：大连化学物理研究所

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