陈沅沙
简介：
男，1981年生，湖南长沙人。现为中科院物理研究所副研究员，博士导师。
2000年-2004年 北京大学物理系，本科；
2004年-2009年 北京大学物理学院，凝聚态物理博士学位；
2009年-2011年 北京大学信息学院微电子系，博士后，新型存储器件的设计研发；
2011年6月-至今 中国科学院物理研究所磁性国家重点实验室，M03组。
主要研究方向：
1. 强关联氧化物体系量子序调控及其相关新效应研究
研究氧化物薄膜及异质结构中多自由度之间的耦合竞争相互作用及其导致的新奇物理效应和量子态；研究磁光电场调控下关联体系量子态的演变规律及其对宏观物性的影响；探索关联材料体系中人工结构、电子态、自旋态等的可控设计方案，开发新材料新原理型器件。
2. 低维材料体系磁性研究和性能调控
二维磁性材料及其异质结构的可控制备，研究此类体系中磁性产生、自旋扩散等机制；研究低温强磁场条件下，磁性二维异质结构的界面拓扑磁性结构和动力学行为，以及电-声相互作用，自旋-轨道耦合效应和电/光学特性；基于相关物理新效应构建新型自旋原型器件。
过去的主要工作及获得的成果：
多年来一直从事强关联氧化物材料，氧化物半导体材料和自旋电子学等方面的研究工作。主要成果包括：首次原位记录了氧化物材料阻变过程中导电通道形成演变的动态过程，展示出双极型阻变效应的清晰物理图像，为解决RRAM器件可靠性问题提供了依据；首次在纳米线器件中演示了记忆二极管效应，并提出了多维突触可塑性的概念，为高密度低功耗电子神经突触器件的开发提供了新途径；实现了钙钛矿/类钙钛矿氧化物异质界面电子自旋态的可控设计以及高效的电调控。相关研究结果已在Nat. Commun.，Adv. Mater., Adv. Funct. Mater., Nano Lett., ACS Nano， Phys. Rev. Appl.，Phys. Rev. B.等SCI期刊上发表文章90余篇, 发明专利10余项。已主持多项家自然科学基金面上项目，参与国家重点专项、国家重点研发计划、科学院前沿科学研究等项目的研究工作。
代表性论文及专利：
1) Wenxiao Shi, Jing Zhang, Xiaozhi Zhan, Jialiang Li, Zhe Li, Jie Zheng, Mengqin Wang, Jine Zhang, Hui Zhang, Tao Zhu, Yunzhong Chen, Fengxia Hu, Baogen Shen, Yuansha Chen*, Jirong Sun*, Emergent quasi two-dimensional ferromagnetic state with perpendicular magnetic anisotropy at La0.7Sr0.3MnO3/SrCuO2 interface, Appl. Phys. Rev. 11, 021403 (2024) (Featured Article)
2) Lei Liu, Qin Yu, Jing Xia, Wenxiao Shi, Dong Wang*, Juanxia Wu, Liming Xie, Yuansha Chen*, Liying Jiao*, Two-dimensional air-stable non-layered ferrimagnetic FeCr2S4 crystals synthesized via chemical vapor deposition, Adv. Mater. 36, 2401338 (2024)
3) Jie Zheng, Wenxiao Shi, Zhe Li, Jing Zhang*, Chao-Yao Yang, Zhaozhao Zhu, Mengqin Wang, Jine Zhang, Furong Han, Hui Zhang, Yunzhong Chen, Fengxia Hu, Baogen Shen, Yuansha Chen*, and Jirong Sun*, Charge-Transfer-Induced Interfacial Ferromagnetism in Ferromagnet-Free Oxide Heterostructures, ACS Nano 18, 9232 (2024)
4) Li Zhe, Shi Wenxiao, Zhang Jine, Zheng Jie, Wang Mengqin, Zhu ZhaoZhao, Han Furong, Zhang Hui, Xie Liming, Yunzhong Chen, Fengxia Hu, Baogen Shen, Yuansha Chen* and Jirong Sun*, Dimensional control of interface coupling-induced ferromagnetism in CaRuO3/SrCuO2 superlattices, NPG Asia Materials 16, 10 (2024)
5) Mengqin Wang, Tao Zhu, He Bai, Zhuo yin, HaoXu, Wenxiao Shi, Zhe Li, Jie Zheng, Yulin Gan, Yunzhong Chen, Baogen Shen, Yuansha Chen,* Qinghua Zhang*, Fengxia Hu* and Jirong Sun*, “Layered Ferromagnetic Structure Caused by Proximity Effect and Interlayer Charge Transfer for LaNiO3/LaMnO3 Superlattices”, Nano Lett. 24, 1122 (2024)
6) Wenxiao Shi, Jie Zheng, Zhe Li, Mengqin Wang, Zhaozhao Zhu, Jine Zhang, Hui Zhang, Yunzhong Chen, Fengxia Hu, Baogen Shen, Yuansha Chen* and Jirong Sun*, “Enhancing interfacial ferromagnetism and magnetic anisotropy of CaRuO3/SrTiO3 superlattices via substrate orientation” Small 19, 202308172 (2023)
7) Jine Zhang, Xiaobing Chen, Mengqin Wang, Qinghua Zhang, Wenxiao Shi, Xiaozhi Zhan,Meng Zhao, Zhe Li, Jie Zheng, Hui Zhang, Furong Han, Huaiwen Yang, Tao Zhu,Banggui Liu, Fengxia Hu, Baogen Shen, Yuansha Chen,* Yue Zhang,* Yunzhong Chen,*Weisheng Zhao,* and Jirong Sun*, Proximity-Induced Fully Ferromagnetic Order with Eightfold Magnetic Anisotropy in Heavy Transition Metal Oxide CaRuO3, Adv. Funct. Mater. 33, 2306434 (2023)
8) Jine Zhang*, Mengqin Wang, Zhizhong Zhang, Hailin Huang, Liang Zhu, Dan Liu, Hui Zhang, Furong Han, Huaiwen Yang, Jing Zhang, Zhe Li, Wenxiao Shi, Jie Zheng, Yunzhong Chen, Fengxia Hu, Hongxin Yang, Weisheng Zhao, Baogen Shen, Yue Zhang*, Yuansha Chen*, and Ji-Rong Sun*, Direct Observation of Magnetic Skyrmions and Their Current-Induced Dynamics in Epitaxial Single-Crystal Oxide Films, Nano Lett. 23, 4258 (2023)
9) Wenxiao Shi, Jine Zhang, Xiaobing Chen, Qinghua Zhang, Xiaozhi Zhan, Zhe Li, Jie Zheng, Mengqin Wang, Furong Han, Hui Zhang, Lin Gu, Tao Zhu, Banggui Liu, Yunzhong Chen, Fengxia Hu, Baogen Shen, Yuansha Chen* and Jirong Sun*, Symmetry-mismatch-induced ferromagnetism in the interfacial layers of CaRuO3/SrTiO3 superlattices, Adv. Funct. Mater., 2300338 (2023)
10) Sabir Hussain, Rui Zhou, You Li, Ziyue Qian, Zunaira Urooj, Misbah Younas, Zhaoyang Zhao, Qinghua Zhang, Wenlong Dong, Yueyang Wu, Xiaokai Zhu, Kangkang Wang, Yuansha Chen, Luqi Liu, Liming Xie，Liquid Phase Edge Epitaxy of Transition-Metal Dichalcogenide Monolayers, J. Am. Chem. Soc. 145, 11348 (2023)
11) Zhe Li, Xiaobing Chen, Yuansha Chen*, Qinghua Zhang, Hui Zhang, Jine Zhang, Wenxiao Shi, Bin He, Jinxing Zhang, Jinghua Song, Furong Han, Banggui Liu, Lin Gu, Fengxia Hu, Yunzhong Chen, Baogen Shen and Jirong Sun*, Infinite-layer/perovskite oxide heterostructure-induced high-spin states in SrCuO2/SrRuO3 bilayer films, Mater. Horiz., 8, 3468-3476 (2021).
12) Jinghua Song, Yuansha Chen*, Xiaobing Chen, Tahira Khan, Furong Han, Jine Zhang, Hailin Huang, Hui Zhang, Wenxiao Shi, Shaojin Qi, Fengxia Hu, Baogen Shen, and Jirong Sun*, Electric Tuning of Magnetic Anisotropy and Exchange Bias of La0.8Sr0.2CoO3/La0.67Sr0.33MnO3 Bilayer Films, Phys. Rev. Applied 14, 024062 (2020).
13) Haining Liu, Xinsheng Wang, Juanxia Wu, Yuansha Chen*, Jing Wan, Rui Wen, Jinbo Yang, Ying Liu, Zhigang Song*, and Liming Xie*, Vapor Deposition of Magnetic Van der Waals NiI2 Crystals, ACS Nano 14, 10544 (2020).
14) Jinghua Song, Yuansha Chen*, Xiaobing Chen, Huaixiang Wang, Tahira Khan, Furong Han, Jine Zhang, Hailin Huang, Jing Zhang, Hongrui Zhang, Hui Zhang, Xi Yan, Shaojin Qi, Fengxia Hu, Baogen Shen, Richeng Yu, and Jirong Sun*, Tuning the Magnetic Anisotropy of La2/3Sr1/3MnO3 by Controlling the Structure of SrCoOx in the Corresponding Bilayers Using Ionic-Liquid Gating, Phys. Rev. Applied 12, 054016 (2019).
15) Jinghua Song, Yuansha Chen*, Hongrui Zhang, Furong Han, Jing Zhang, Xiaobing Chen, Hailin Huang, Jine Zhang, Hui Zhang, Xi Yan, Tahira Khan, Shaojin Qi, Zhihuang Yang, Fengxia Hu, Baogen Shen, and Jirong Sun*, Strong anisotropy and its electric tuning for brownmillerite SrCoO2.5 films with different crystal orientations, Phys. Rev. Mater. 3, 045801 (2019).
16) Hongrui Zhang, Yang Ma, Hui Zhang, Xiaobing Chen, Shuanhu Wang, Gang Li, Yu Yun, Xi Yan, Yuansha Chen, Fengxia Hu, Jianwang Cai, Baogen Shen, Wei Han, and Jirong Sun*, Thermal Spin Injection and Inverse Edelstein Effect of the Two-Dimensional Electron Gas at EuO–KTaO3 Interfaces, Nano Lett. 19, 1605 (2019)
17) Hui Zhang, Xi Yan, Xuejing Zhang, Shuai Wang, Changmin Xiong, Hongrui Zhang, Shaojin Qi, Jine Zhang, Furong Han, Ning Wu, Banggui Liu, Yuansha Chen, Baogen Shen, and Jirong Sun*, Unusual Electric and Optical Tuning of KTaO3‑Based Two-Dimensional Electron Gases with 5d Orbitals, ACS Nano 13, 609 (2019)
18) D. S. Hong, Y. S. Chen*, J. R. Sun*, and B. G. Shen, Ternary Synaptic Plasticity Arising from Memdiode Behavior of TiOx Single Nanowires, Adv. Electron. Mater. 2, 1500359 (2016)
19) Y. Lei, Y. Li, Y. Z. Chen, Y. W. Xie, Y. S. Chen, S. H. Wang, J. Wang, B. G. Shen, N. Pryds, H. Hwuang, and J. R. Sun, Visible-light-enhanced gating effect at the LaAlO3/SrTiO3 interface, Nat. Comm. 5, 5554 (2014)
20) D. S. Hong, Y. S. Chen*, Ying Li, H. W. Yang, L. L. Wei, B. G. Shen, and J. R. Sun*, Evolution of conduction channel and its effect on resistance switching for Au-WO3-x–Au devices, Sci. Rep. 4, 4058 (2014)
目前的研究课题及展望：
承担和参与项目包括：
科技部国家重点研发计划专项“基于半金属和低维电子体系的量子原型器件构筑“；基金委重大项目”反铁磁及界面交换偏置的稳定性研究“；基金委面上项目“类钙钛矿氧化物异质结界面耦合效应和自旋结构调控研究”；基金委重点国际合作项目“氧化物异质界面二维电子液体的光电协同调控”；基金委重大项目“多主相混合稀土永磁材料的磁结构、磁畴结构和拓扑磁结构”；科技部国家重点研发计划专项“关联电子材料的自旋态限域调控与自旋电子器件应用”；科技部国家重点研发计划专项“低维异质结构的磁性和输运性质调控及其微纳器件” ；科学院前沿科学重点研究项目“拓扑相关自旋电子态的自主设计与高效调控”；科学院海西创新研究院自主部署项目“稀土基磁性纳米材料的制备及其高频性能的研究”
培养研究生情况：
已协助培养博士生6名，目前在读博士生4名，拟每年招收1~2名研究生。欢迎具有物理、材料和微电子等专业背景的考生报考！
其他联系方式：
物理所M楼433
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