郭尔佳

简介


2012年于中国科学院物理研究所获博士学位。曾获得获得教育部国家奖学金、中国科学院朱李月华优秀博士生奖、美国橡树岭国家实验室突出贡献奖(连续三年)等。2012年至2018年先后在德国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,现任特聘研究员,博士生导师。2019年获得北京市科技新星计划,中国物理学会中子散射专业委员会优秀青年奖等。

主要研究方向


低维氧(氮)化物界面的精准构筑、量子调控与器件设计

过去的主要工作及获得的成果


主要研究内容是复杂氧化物界面的精准构筑、新奇物性的多场调控以及新型功能器件设计。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 Adv.(1)、Phys. Rev. Lett.(3)、Phys. Rev. X(1)、Nat. Commun.(4)、Adv. Mater.(4)、Nano Lett.(4)等期刊上发表论文80余篇。发表文章总引用1200余次,H因子21。申请国家发明专利4项。曾受邀担任美国陶瓷学会电子材料大会的分会主席,多次在美国物理学会三月会议(APS March Meeting 2018 & 2020)、美国材料学会春季会议(MRS Spring Meeting 2017 & 2020),美国陶瓷学会(ACrS EAM 2017 & 2018)等重要国际会议上作特邀报告。担任Scientific Reports编委,同时为Phys. Rev. Lett.、Nat. Commun.、Adv. Mater.、Phys. Rev. Series、Appl. Phys. Lett. 等杂志的审稿人。

代表性论文及专利


2020

S. Li,† Q. Zhang,† S. Lin,† X. Sang, R. F. Need, M. A. Roldan, W. Cui, Z. Hu, Q. Jin, S. Chen, J. Zhao, J. -O. Wang, J. Wang, M. He, C. Ge, C. Wang, H. -B. Lu, Z. Wu, H. Guo, X. Tong, T. Zhu, B. Kirby, L. Gu, K. J. Jin,* and E. J. Guo,* Strong Ferromagnetism Achieved via Breathing Lattices in Atomically Thin Cobaltites, Advanced Materials, in press (2020).

D. Lee, X. Gao, L. Sun, Y. Jee, J. Poplawsky, T. O. Farmer, L. Fan, E. J. Guo, Q. Lu, W. T. Heller, D. Haskel, M. R. Fitzsimmons, M. F. Chisholm, K. Huang, B. Yildiz, and H. N. Lee, Colossal oxygen vacancy formation at a fluorite-bixbyite interface, Nat. Comuni. 11, 1371 (2020).

F. Jin, M.Gu, E. J. Guo, J. Zhu, K. Zhang, Z. Zhang, L. Qu, L. Xu, D. Lan, Z. Guo, B. Chen, G. Gao, F. Chen, M. Tian, J. M. Rondinelli, C. Ma, and W. Wu, Engineering ground states via tunable uniaxial strain in manganite films on orthorhombic substrates, Nano Lett. 20, 1131-1140 (2020).

S. Lin, Q. Zhang, M.A. Roldan, S. Das, T. Charlton, M. Fitzsimmons, Q. Jin, S. Li, Z. Wu, S. Chen, H. Guo, X. Tong, M. He, C. Ge, C. Wang, L. Gu, K. Jin,* and E. J. Guo,* Switching magnetic anisotropy of SrRuO3 by interfacial symmetry engineering, Phys. Rev. Appl. 13,034033 (2020).

L. Wang, P. Yao, F. Wang,* S. Li, Y. Chen, T. Xia, E. J. Guo, K. Wang,* B. Zou, and H. Guo, Pressure-Induced Structural Evolution and Bandgap Optimization of Lead-Free Halide Double Perovskite (NH4)2SeBr6, Advanced Science 1902900 (2020).

L. Fan, X. Gao, T. O. Farmer, D. Lee, E. J. Guo, S. Mu,  K. Wang, M. R. Fitzsimmons, M. F. Chisholm, T. Z. Ward, G. Eres, and H. N. Lee*, Vertically Aligned Single-Crystalline CoFe2O4 Nanobrush Architectures with High Magnetization and Tailored Magnetic Anisotropy, Nanomaterials 10, 472 (2020).

2019

E. J. Guo* and T. Zhu,* Investigation of magnetic materials by neutron scattering, Wuli 48, 708-714 (2019). (《物理》中文综述)

S. Li, J. Wang, Q. Zhang, M. A. Roldan, S. Lin, Q. Jin, S. Chen, Z. Wu, C. Wang, C. Ge, M. He, H. Guo, L. Gu, K.-j. Jin and E. J. Guo*, Maximization of ferromagnetism in LaCoO3 films by competing symmetry, Phys. Rev. Mater. 3, 114409 (2019).

A. Herklotz, S.F. Rus, C. Sohn, S. KC, V. R. Cooper, E. J. Guo, T. Z. Ward, Optical response of BiFeO3 films subjected to uniaxial strain, Phys. Rev. Mater. 3, 094410 (2019).

T. O. Farmer,* E. J. Guo, T. Wang, R. D. Desautels, A. Chen, Q. Jia, J. Borchers, D. A. Gilbert, B. Holladay, S. K. Sinha, and M. R. Fitzsimmons, Nano-scale magnetization inhomogeneity within single phase nanopillars, Phys. Rev. Mater. 3, 081401(R) (2019).(Editor's suggestion & Rapid Communications)

E. J. Guo,* R. Desautels, D. Lee, M. Roldan, Z. Liao, T. Charlton, H. Ambaye, J. Molaison, R. Boehler, D. Keavney,  A. Herklotz, T. Z. Ward, H. N. Lee, and M. R. Fitzsimmons,* Exploiting symmetry-mismatch to control magnetism in a ferroelastic heterostructure, Phys. Rev. Lett. 122, 187202 (2019).

S. Li, H. Chen, Y. Zhao, Z. Chen, E. J. Guo, Z. Wu, Y. Zhang, W. Tang, and J. Hao, Biaxial strain-induced strong enhancement of the upconversion photoluminescence in lanthanide-doped ferroelectric thin films, J. Phys. D: Appl. Phys., 52, 234002 (2019).

A. Herklotz, S. F. Rus, N. Balke Wisinger, C. Rouleau, E. J. Guo, Amanda Huon, S. KC, R. Roth, X. Yang, C. Vaswani, J. Wang, P. P. Orth, M. S. Scheurer and T. Z. Ward*, “Controlling morphotropic phases by strain doping”, Nano Lett., 19 (2), 1033–1038 (2019).

E. J. Guo,* R. Desautels, D. Keavney, M. A. Roldan, B. J. Kirby, D. Lee, Z. Liao, T. Charlton, A. Herklotz, T. Z. Ward, M. R. Fitzsimmons, and H. N. Lee,* “Nanoscale ferroelastic twins formed in strained LaCoO3 films”, Science Advances, 5, eaav5050 (2019).

E. J. Guo,* R. D. Desautels, D. Keavney, A. Herklotz, T. Zac Ward, M. R. Fitzsimmons, and H. N. Lee, “Switchable orbital polarization and magnetization in strained LaCoO3 films”, Phys. Rev. Mater. 3, 014407 (2019).

Z. Liao, E. Skoropata, J. W. Freeland, E. J. Guo, R. Desautels, X. Gao, C. Sohn, T. Zou, T. Chalton, T. Zac Ward, M. R. Fitzsimmons, and H. N. Lee,* “Large orbital polarization in nickelate-cuprate heterostructures by dimensional control of oxygen coordination”, Nat. Commun., 10, 598 (2019).

E. J. Guo,* M. A. Roldan, X. Sang, S. Okamoto, T. Charlton, H. Ambaye, H. N. Lee, and M. R. Fitzsimmons, “Influence of chemical composition and crystallographic orientation on the interfacial magnetism in BiFeO3/La1-xSrxMnO3 superlattices”, Phys. Rev. Mater. 2, 114404 (2018).

S. Thota, V. Thake, K. Roychowdhury, S. Ganguli, E. J. Guo,* and S. Das, “Structural and Magnetic Properties of La0.7Sr0.3MnO3/LaCoO3 Heterostructures”, Appl. Phys. Lett. 113, 122405 (2018).

-----2018.10 回到物理所以前------

E. J. Guo,* M. Roldan, T. Charlton, Z. Liao, Q. Zheng, H. Ambaye, A. Herklotz, Z. Gai, T. Zac Ward, H. N. Lee, and M. R. Fitzsimmons, "Removal of Magnetic Dead Layer by Geometric Design", Adv. Funct. Mater. 28, 1800922 (2018).

E. J. Guo,* Y. Liu, C. Sohn, R. D. Desautels, A. Herklotz, Z. Liao, J. Nichols, J. W. Freeland, M. R. Fitzsimmons, and H. N. Lee,* "
Oxygen Diode Formed in Nickelate Heterostructures by Chemical Potential Mismatch", Adv. Mater. 30, 1705904 (2018).

(Topical review) A. Herklotz, D. Lee, E. J. Guo, T. L. Meyer, J. R. Petrie, H. N. Lee,* "
Uncovering Correlations between Strain and Oxygen Non-stoichiometry", J. Phys. Cond. Matt. 29 (49), 493001 (2017). 

E. J. Guo,* J. Petrie, M. Roldan, Q. Li, R. R. Desautals, T. Chalton, A. Herklotz, J. Nichols, J. van Lierop, J. W. Freeland, S. V. Kalinin, H. N. Lee, and M. R. Fitzsimmons, "Spatially resolved large magnetization in ultrathin BiFeO3", Adv. Mater. 29, 1700790 (2017).

J. Cramer, E. J. Guo, S. Geprägs, A. Kehlberger, M. Kläui, und S. T. B. Goennenwein,* "
Magnon mode selective spin transport in compensated ferrimagnets", Nano Lett. 17 (6), 3334–3340 (2017).

A. Herklotz, E. J. Guo, A. T. Wong, T. Meyer, S. Dai, H. N. Lee, T. Zac Ward, and M. R. Fitzsimmons,* "
Reversible control of interfacial magnetism through ion liquid assisted polarization switching",  Nano Lett. 17 (3) 1665 (2017).

L. Fan, X. Gao, D. Lee, E.  J. Guo, S. Lee, P. C. Snijders, T. Z. Ward, G. Eres, M. F. Chisholm, H. N. Lee,* "Kinetically Controlled Fabrication of Single-Crystalline TiO2 Nanobrush Architectures", Advanced Science, 1700045 (2017).

J. Nichols, X. Gao, S. Lee, T. L. Meyer, J. W. Freeland, V. Lauter, D. Yi, J. Liu, D. Haskel, J. R. Petrie, E. J. Guo, A. Herklotz, D. Lee, T. Z. Ward, G. Eres, M. R. Fitzsimmons, and H. N. Lee,* "Emerging magnetism and anomalous Hall effect in iridate-manganite heterostructures", Nat. Commun. 7, 12721, (2016).

E. J. Guo,* J. Cramer, A. Kehlberger, C. A. Ferguson, D. A. MacLaren, G. Jakob, and M. Klaeui,* "
Influence of thickness and interface on the spin Seebeck effect in YIG thin films", Phys. Rev. X 6(3), 031012 (2016).

S. Geprägs, A. Kehlberger, E. J. Guo, F. Della Coletta, Z. Qiu, T. Schulz, C. Mix, S. Meyer, A. Kamra, M. Althammer, H. Huebl, G. Jakob, Y. Ohnuma, H. Adachi, J. Barker, S. Maekawa, G. Bauer, E.Saitoh, R. Gross, S. Goennenwein, and M. Kläui,* "
Origin of the spin Seebeck effect in compensated ferrimagnets", Nat. Commun. 7, 10452 (2016).

E. J. Guo,* R. Roth, A. Herklotz, D. Hesse, and K. Dörr,* "Ferroelectric 180o domain wall motion controlled by biaxial strain", Adv. Mater. 27, 1615-1618 (2015).

A. Kehlberger,* U. Ritzmann, E. J. Guo,
D. Hinzke, G. Jakob, M. C. Onbasli, D. H. Kim, C. A. Ross, M. B. Junfleisch, B, Hillebrands, U. Nowak, and M. Klaeui, "Length scale of spin Seebeck effect", Phys. Rev. Lett. 115, 096602 (2015).
 

目前的研究课题及展望


低维过渡金属氧(氮)化物薄膜界面物理性质的表征、调控以及多功能器件设计。目前主持中国科学院物理所I类人才启动项目、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以及参与科技部重点研发计划项目等。

培养研究生情况


每年拟招收硕博连读研究生1-2名,欢迎具有物理或材料专业背景的考生联系报考。
拟招收博士后1名,薪酬按照物理所岗位博士后标准。
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。

其他联系方式


ejguo@iphy.ac.cn

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ejguo@iphy.ac.cn