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Magnetic skyrmions:Basic properties and potential applications

Interdisciplinary Materials 2023年第2期2卷 260-289页

作者： Sheng Li Xuewen Wang the. rasing State Key Laboratory of Advanced Technology for Materials Synthe.is and Processing International School of Materials Science and EngineeringWuhan University of TechnologyWuhanPeople's Republic of China Foshan Xianhu Laboratory of the.Advanced Energy Science and Technology Guangdong Laboratory FoshanPeople's Republic of China Institute for Molecules and Materials Radboud UniversityNijmegenThe Netherlands

Magnetic skyrmions are particle-like topological magnetic textures that are potential information carriers in future *** enormous body of research confirms the.r existence in a broad range of magnetic materials since the.r first discovery in *** date,magnetic skyrmions can not only be found in asymmetric systems but also in centrosymmetric ***,engineered magnetic multilayers are promising structures for skyrmion-based spintronics because the. can stabilize small-sized skyrmions at room temperature and facilitate the.r electric *** this overview,we introduce the.topological nature,the.r special properties,and nucleation methods of skyrmions,and show the.r potential for *** on skyrmionic devices and developments toward othe.,more three-dimensional particle-like magnetic nanostructures,are discussed at the.end.

关键词： antiferromagnetic skyrmions magnetic multilayers magnetic skyrmions skyrmion Hall effect spintronics ultrafast laser pulses

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Solvent induced enhancement of nonlinear optical response of graphdiyne

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Chinese Chemical Letters 2021年第1期32卷 525-528页

作者： Yuze Dong Sergey Semin Yaqing Feng Jialiang Xu the. rasing School of Chemical Engineering and Technology Tianjin UniversityTianjin 300350China Radboud University Institute for Molecules and Materials(IMM)Heyendaalseweg 1356525AJNijmegenthe Netherlands School of Materials Science and Engineering Nankai UniversityTianjin 300350China Collaborative Innovation Center of Chemical Science and Engineering(Tianjin) Tianjin UniversityTianjin 300072China

Flat and crystalline materials with exceptional nonlinear optical(NLO) properties are highly desirable for the.r potential applications in integrated NLO photonic ***(GD),a new twodimensional(2 D) carbon allotrope,has recently evoked burgeoning research attention by virtue of its tunable bandgap along with a high carrier mobility and extended π-conjugation compared with most conventional optical ***,we experimentally probe the.third-order nonlinear optical response of GD dispersed in several common solvents(alcohols) using a femtosecond Z-scan *** measured nonlinear optical refractive index is in the.order of ~10^(-8) cm^(2)/W,which is approximately one order of magnitude higher than that of most 2 D *** particular,we find that different NLO responses can be observed from GD when dispersed in different solvents,with the.strongest NLO response when dispersed in *** is proposed that some intrinsic properties of the.solvents,such as the.polarity and viscosity,could influence the.NLO response of GD *** experimental results confirm the.assumptions on the.NLO behavior in GD and demonstrate its great potential for future generations of Kerr-effect-based NLO materials and devices.

关键词： 2D materials Graphdiyne Nonlinear optics Kerr-effect Solvent effect

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Strong optical nonlinearities of self-assembled polymorphic microstructures of phenylethynyl functionalized fluorenones

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Chinese Chemical Letters 2018年第2期29卷 297-300页

作者： Xinyue Li Sergey Semin Leandro A. Estrada Chunqing Yuan Yulong Duan Jonathan Cremers Paul Tinnemans Paul Kouwer Alan E. Rowan the. rasing Jialiang Xu School of Chemical and Engineering Technology Tianjin University Tianjin 300350 China Institute for Molecules and Materials (IMM) Radboud University 6525 A J Nijrnegen The Netherlands Center for Photochemical Sciences Bowling Green State University Bowling Green OH 43403 USA Solvay Specialty Polymers Alpharetta CA 30005 USA Australian Institute for Bioengineering and Nanotechnology (AIBN) The University of Queensland Brisbane OLD 4072 Australia

Highly efficient nonlinear optical（NLO） materials with well-defined architectures in the.wavelength and subwavelength length scales are of particular importance for next generation of integrated photonic circuits. Fluorenone analogues have been demonstrated to be promising candidates as building blocks for assembly of organic NLO materials thanks to the.r synergistic supramolecular interactions and brilliant optical properties. Here we have studied the.polymorphs of a phenylethynyl functionalized fluorenone derivative, and the.r controlled self-assembly for microstructures with different morphologies. the.e polymorphic microcrystals exhibit very distinctive NLO properties, highly related to the.r supramolecular and electronic structures.

关键词： Nonlinear optics Second harmonic generation Two-photon excited fluorescence Transition dipole Fluorenone

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