郭尔佳

简介


特聘研究员,博士生导师,国科大岗位教授。2007年本科毕业于中央民族大学光学系,并保送到中科院物理所硕博连读研究生,于2012年获光学博士学位。2012年至2018年先后在德国马普微结构物理研究所/莱布尼茨固体材料研究所、美因茨大学和美国橡树岭国家实验室从事博士后研究。2018年9月加入中国科学院物理研究所。曾获得国家海外高层次人才引进青年项目、中国科学院引进国外人才计划项目(择优支持)、北京市科技新星计划、中国科学院朱李月华优秀博士生奖等。获得中国科学院优秀研究生导师奖(培养学生为中科院院长特别奖)。目前担任科技部国家重点研发计划(青年项目)首席科学家。


主要研究方向


新型低维量子薄膜与界面的精准构筑、表征和器件探索

极化中子反射技术表征低维磁性材料


过去的主要工作及获得的成果


低维量子材料的精准构筑、新奇物性的多场调控以及新原理器件设计。通过研究界面微结构、对称约束、电荷掺杂、轨道重构、应变等序参量对量子界面物性的调控,理解界面多种自由度之间相互作用的物理机理,设计界面物性调控的多功能器件原型并提出优化性能的方案,为后摩尔时代的新型运算和存储器件提供材料和物理基础。近年来在Science(1)、Science Adv.(3)、Phys. Rev. Lett./Phys. Rev X (5)、Adv. Mater./Adv. Funct. Mater.(9)、Nano Lett.(6)、Nat. Commun.(8)等期刊上发表论文100余篇。发表文章总引用2500余次,H因子27。


代表性论文及专利


S. R. Chen, Q. H. Zhang, X. J. Li et al., " Atomically engineered cobaltite layers for robust ferromagnetism," Science Advances in press (2022). (Corresponding author)



L. Liu, C. Zhou, T. Zhao, et al.,"Current-induced self-switching of perpendicular magnetization in CoPt single layer," Nature Communications 13, 3539 (2022).



G. Li, D. Xie, H. Zhong, et al.,"Photo-induced non-volatile VO2 phase transition for neuromorphic ultraviolet sensors," Nature Communications 13, 1729 (2022).



H. Zhong, M. Li, Q. Zhang, et al., " Large-scale Hf0.5Zr0.5O2 membranes with robust ferroelectricity," Advanced Materials 34, 2109889 (2022).



G. Li, D. Xie, Z. Zhang, et al., "Flexible VO2 films for in-sensor computing with ultraviolet light," Advanced Function Materials 32, 2203074 (2022).



H. Li, Y. Yang, S. Deng, et al., "Role of oxygen vacancies in colossal polarization in SmFeO3-δ thin films," Science Advances 8, eabm8550 (2022). 



Q. Jin, Z. Wang, Q. Zhang, et al., "Room-temperature ferromagnetism at an oxide/nitride interface," Physical Review Letters 128, 017202 (2022). (Corresponding author)



S. Lin, Z. Wang, Q. Zhang, et al., "Exchange coupling in synthetic anion-engineered chromia heterostructures," Advanced Functional Materials 32, 2109828 (2022). (Corresponding author)



Z. Dong, H. Chen, et al., "Enhanced Upconversion Photoluminescence Assisted by Flexoelectric Field in Oxide Nanomembranes," Laser & Photonics Review 16, 2100454 (2022). 



Q. Zhang, F. Meng, A. Gao, et al., "Dynamics of anisotropic oxygen-ion migration in strained cobaltites," Nano Letters 21, 10507-10515 (2021). (Corresponding author)



H. Pan, S. Lan, S. Xu, et al., "Ultrahigh energy storage in superparaelectric relaxor ferroelectrics," Science 374, 100-104 (2021). 



L. Wang, P. Adiga, J. Zhao, et al., "Understanding the Electronic Structure Evolution of Epitaxial LaNi1–xFexO3 Thin Films for Water Oxidation," Nano Letters 21, 19, 8324–8331 (2021). (Corresponding author)



S. Lin, Q. Zhang, X. Sang, et al., "Dimensional control of octahedral tilt in SrRuO3 via infinite-layered oxides," Nano Letters 21, 3146-3154 (2021). (Corresponding author)



Q. Zhang, A. Gao, F. Meng, et al., "Near-room temperature feromagnetic insulating state in highly distorted LaCoO2.5 with CoO5 square pyramids," Nature Communications 12, 1853 (2021). (Corresponding author)



Q. Jin, H. Cheng, Z. Wang, et al., "Strain-mediated high conductivity in ultrathin antiferromagnetic metallic nitrides," Advanced Materials 33, 2005920 (2021). (Corresponding author)



S. Li, Q. Zhang, S. Lin, et al., "Strong Ferromagnetism Achieved via Breathing Lattices in Atomically Thin Cobaltites," Advanced Materials, 33, 2001324 (2021). (Corresponding author)



D. Lee, X. Gao, L. Sun, et al., "Colossal oxygen vacancy formation at a fluorite-bixbyite interface," Nature Communications 11, 1371 (2020).



F. Jin, M.Gu, E. J. Guo, et al., "Engineering ground states via tunable uniaxial strain in manganite films on orthorhombic substrates," Nano Letters 20, 1131-1140 (2020).



E. J. Guo, R. Desautels, D. Lee, et al., "Exploiting symmetry-mismatch to control magnetism in a ferroelastic heterostructure," Physical Review Letters 122, 187202 (2019). (Corresponding author)



E. J. Guo, R. Desautels, D. Keavney, et al., “Nanoscale ferroelastic twins formed in strained LaCoO3 films”, Science Advances, 5, eaav5050 (2019). (Corresponding author)



A. Herklotz, S. F. Rus, N. Balke Wisinger, et al., “Controlling morphotropic phases by strain doping,” Nano Letters 19 (2), 1033–1038 (2019).



Z. Liao, E. Skoropata, J. W. Freeland, et al., “Large orbital polarization in nickelate-cuprate heterostructures by dimensional control of oxygen coordination”, Nature Communications 10, 598 (2019).



-----2018.10 回到物理所以前------



E. J. Guo, M. Roldan, T. Charlton, et al., "Removal of Magnetic Dead Layer by Geometric Design,Advanced Functional Materials 28, 1800922 (2018).



E. J. Guo, Y. Liu, C. Sohn, et al., "
Oxygen Diode Formed in Nickelate Heterostructures by Chemical Potential Mismatch,Advanced Materials 30, 1705904 (2018).



E. J. Guo, J. Petrie, M. Roldan, et al., "Spatially resolved large magnetization in ultrathin BiFeO3,Advanced Materials 29, 1700790 (2017).



J. Cramer, E. J. Guo, S. Geprägs, et al., "
Magnon mode selective spin transport in compensated ferrimagnets,Nano Letters 17 (6), 3334–3340 (2017).



A. Herklotz, E. J. Guo, A. T. Wong, et al., "
Reversible control of interfacial magnetism through ion liquid assisted polarization switching,Nano Letters 17 (3) 1665 (2017).



J. Nichols, X. Gao, S. Lee, et al., "Emerging magnetism and anomalous Hall effect in iridate-manganite heterostructures,Nature Communications 7, 12721, (2016).



E. J. Guo, J. Cramer, A. Kehlberger, et al., 
"Influence of thickness and interface on the spin Seebeck effect in YIG thin films,Physical Review X 6(3), 031012 (2016).



S. Geprägs, A. Kehlberger, E. J. Guo, et al., "
Origin of the spin Seebeck effect in compensated ferrimagnets,Nature Communications 7, 10452 (2016).



E. J. Guo, R. Roth, A. Herklotz, et al., "Ferroelectric 180o domain wall motion controlled by biaxial strain,Advanced Materials 27, 1615-1618 (2015).



A. Kehlberger, U. Ritzmann, E. J. Guo, et al., 
"Length scale of spin Seebeck effect,Physical Review Letters 115, 096602 (2015).


目前的研究课题及展望


主持科技部重点研发计划(青年项目)、中组部海外高层次人才引进青年项目、中国科学院百人计划项目、中国科学院依托大科学装置开展建制化科研项目(课题负责人)、国家自然科学基金面上项目、北京市自然科学基金面上项目、北京市科技新星计划项目、广东省粤港澳大湾区重点项目以及中科院物理所I类人才启动经费等。


培养研究生情况


一名研究生获中国科学院院长奖特别奖(全院仅80人)、两名研究生获得中科院物理所特优奖(每年仅2%);一名研究生获得北京市优秀毕业生;一名研究生获得中科院物理所所长优秀奖;



每年拟招收硕博连读研究生仅1名或空缺不招,欢迎具有物理,材料或者电子专业背景的考生联系报考;



多年来,与国外多所著名科研机构和学校建立了良好的关系,在读学生将有机会出国学习交流和访问。



已有一名博士毕业生去美国橡树林国家实验室做博士后研究。


其他联系方式


ejguo@iphy.ac.cn



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ejguo@iphy.ac.cn