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Ferroelectric control of single-molecule magnetism in 2D limit
Xinwei Wang1; Chengcheng Xiao1,2; Chao Yang1; Miaogen Chen3; Shengyuan A. Yang4; Jun Hu5; Zhaohui Ren1; Hui Pan6; Wenguang Zhu7; Zhu-An Xu8,9; Yunhao Lu8
Source PublicationScience Bulletin

The electric control of magnetic properties based on magnetoelectric effect is crucial for the development of future data storage devices. Here, based on first-principles calculations, a strong magnetoelectric effect is proposed to effectively switch on/off the magnetic states as well as alter the in-plane/perpendicular easy axes of metal-phthalocyanine molecules (MPc) by reversing the electric polarization of the underlying two-dimensional (2D) ferroelectric α-InSe substrate with the application of an external electric field. The mechanism originates from the different hybridization between the molecule and the ferroelectric substrate in which the different electronic states of surface Se layer play a dominant role. Moreover, the magnetic moments and magnetic anisotropy energies (MAE) of OsPc/InSe can be further largely enhanced by a functionalized atom atop the OsPc molecule. The I-OsPc/InSe system possesses large MAE up to 30 meV at both polarization directions, which is sufficient for room-temperature applications. These findings provide a feasible scheme to realize ferroelectric control of magnetic states in 2D limit, which have great potential for applications in nanoscale electronics and spintronics.

KeywordIn2se3 Magnetoelectric Effect Metal-phthalocyanine Molecules Single-molecular Magnets Two-dimensional Ferroelectric
URLView the original
Indexed BySCIE
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000563052800007
Scopus ID2-s2.0-85084229346
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Cited Times [WOS]:26   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorJun Hu; Wenguang Zhu; Yunhao Lu
Affiliation1.State Key Laboratory of Silicon Materials and School of Materials Science and Engineering,Zhejiang University,Hangzhou,310027,China
2.Departments of Materials and the Thomas Young Centre for Theory and Simulation of Materials,Imperial College London,London,SW7 2AZ,United Kingdom
3.Department of Physics,China Jiliang University,Hangzhou,310018,China
4.Research Laboratory for Quantum Materials,Singapore University of Technology and Design,Singapore,487372,Singapore
5.School of Physical Science and Technology,Soochow University,Suzhou,215006,China
6.Joint Key Laboratory of the Ministry of Education,Institute of Applied Physics and Materials Engineering,University of Macau,Macao,Macao
7.ICQD,Hefei National Laboratory for Physical Science at the Microscale,Key Laboratory of Strongly-Coupled Quantum Matter Physics,Chinese Academy of Sciences,Department of Physics,and Synergetic Innovation Center of Quantum Information and Quantum Physics,University of Science and Technology of China,Hefei,230026,China
8.Zhejiang Province Key Laboratory of Quantum Technology and Device,Department of Physics,Zhejiang University,Hangzhou,310027,China
9.Collaborative Innovation Centre of Advanced Microstructures,Nanjing University,Nanjing,210093,China
Recommended Citation
GB/T 7714
Xinwei Wang,Chengcheng Xiao,Chao Yang,et al. Ferroelectric control of single-molecule magnetism in 2D limit[J]. Science Bulletin,2020,65(15):1252-1259.
APA Xinwei Wang,Chengcheng Xiao,Chao Yang,Miaogen Chen,Shengyuan A. Yang,Jun Hu,Zhaohui Ren,Hui Pan,Wenguang Zhu,Zhu-An Xu,&Yunhao Lu.(2020).Ferroelectric control of single-molecule magnetism in 2D limit.Science Bulletin,65(15),1252-1259.
MLA Xinwei Wang,et al."Ferroelectric control of single-molecule magnetism in 2D limit".Science Bulletin 65.15(2020):1252-1259.
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