Xiaofang Zhai


Xiaofang Zhai Group


Group Leader

Dr. Xiaofang Zhai,Associate Professor
Address:SPST, #4-116


1997-2002 University of Science and Technology,B.S. in Physics

2002-2008 University of Illinois at Urbana-Champaign, Ph. D. in Physics

2008-2009 University of California at Berkeley, Postdoc in MSE

2010-2019 Univeristy of Science and Technology, Associate Professor

2020-current ShanghaiTech Univeristy, Associate Professor


Research Interest

The study of new magnetic materials is very important, not only being the basis for the development of spintronics devices, but also the key to break through bottlenecks of the existing materials. We mainly use laser molecular beam epitaxy to manipulate the stacked "lego" structure of single atomic layers, develop new correlated eletron materials on the basis of a single atomic layer, and study physical structures and mechanisms, including (1) strong spin-orbit coupling; (2) two-dimensional monoatomic layer; (3) charge and spin order, etc. The goal is to explore new magnetic materials and devices to fill future needs in ultra-small size and ultra-fast response spintronic applications.

The group has open positions for post-doctoral fellows, PhD and Master students with excellent working environment. Students and scholars who are interested in conducting cutting-edge research in the fields of condensed matter physics and material physics are welcome to join! Please email Zhai Xiaofang directly.


Select Publications

  1.       Z. Cui, A. Grutter, H. Zhou, H. Cao, Y. Dong, D. Gilbert, J. Wang, Y.-S. Liu, J. Ma, Z. Hu, J. Guo, J. Xia, B. Kirby, P. Shafer, E. Arenholz, H. Chen*, X. Zhai*, L. Lu. Correlation-Driven Eightfold Magnetic Anisotropy in a Two-Dimensional Oxide Monolayer, Sci. Adv. 6,eaay0114 (2020)

  2.        D. Meng#, H. Guo#, Z. Cui, C. Ma, J. Zhao, J. Lu, H. Xu, Z. Wang, X. Hu, Z. Fu, R. Peng, J. Guo, X. Zhai*, G. Brown, R, Knize, Y, Lu,* “Strain-induced high-temperature perovskite ferromagnetic insulator”, Proc. Natl. Acad. Sci. USA 115(12), 2873-2877 (2018).

  3.  X. Zhai*, L. Cheng, Y. Liu*, C. M. Schlepu?tz, S. Dong*, H. Li, X. Zhang, S. Chu, Li. Zheng, J. Zhang, A. Zhao, H. Hong, A. Bhattacharya, J. N. Eckstein, C. Zeng, “Correlating interfacial octahedral rotations with magnetism in (LaMnO3+δ)N/(SrTiO3)N superlattices”, Nat. Commun. 5, 4283 (2014).

  4.  X. Zhai, C. Mohapatra, A. B. Shah, J.G. Wen, A. Bhattacharya, J. M. Zuo, and J. N. Eckstein, “New optical absorption bands in atomic layer superlattices”, Adv. Mater. 22, 1136 (2010)

  5.  X. Zhai, A. J. Grutter, Y. Yun, Z. Cui, and Y. Lu, “Weak magnetism of Aurivillius-type multiferroic thin films probed by polarized neutron reflectivity”, Phys. Rev. Mater. 2, 044405 (2018).

  6.  J. Deng#, B. Xia#, X. Ma#, H. Chen, H. Shan, X. Zhai, B. Li, A. Zhao*, Y. Xu*, W. Duan, S. Zhang, B. Wang*, J. G. Hou, "Epitaxial growth of ultraflat stanene with topological band inversion", Nat. Mater. 17, 1081 (2018).

  7.  H. Xu, A. J. Grutter, Z. Cui, Z. Wang, X. Zhai*, Y. Lu*. The charge carrier transport with low temperature anomalies in engineered 4d/5d oxide superlattices of (Sr2IrO4)4/(Sr3Ru2O7)N. Phys. Rev. B 101, 155151 (2020).

  8.  Q. Feng#, D. Meng#, H. Zhou, G. Liang, Z. Cui, H. Huang, J. Wang, J. Guo, C. Ma, X. Zhai*, Q. Lu*, and Y. Lu*, “Direct imaging revealing halved ferromagnetism in tensile-strained LaCoO3 thin films”, Phys. Rev. Mater. 3, 074406 (2019).

  9.  H. Xu, X. Zhai*, Z. Wang, Z. Cui, Z. Fu, Y. Lu*, “An epitaxial synaptic device made by a band-offset BaTiO3/Sr2IrO4 bilayer with high endurance and long retention”, Appl. Phys. Lett. 114, 102904 (2019).

  10.  C. Liu, F. An, P. Gharavi, et al. Large-scale multiferroic complex oxide epitaxy with magnetically switched polarization enabled by solution processing, Nat. Sci. Rev. 7, 84-91 (2020).

  11.  S. Zhu, D. Meng, G. Liang, G. Shi, P. Zhao, P. Cheng, Y. Li, X. Zhai, Y. Lu, L.Chen* and  K. Wu*, "Proximity-induced magnetism and an anomalous Hall effect in Bi2Se3/LaCoO3: a topological insulator/ferromagnetic insulator thin film heterostructure", Nanoscale 10, 10041-10049 (2018).

  12.  Z. Cui, X. Zhai, Yi-De Chuang, H. Xu, H. Huang, J. Wang, Z. Fu, R. Peng, J. Guo, and Y. Lu, “Resonant inelastic x-ray scattering study of Bi6Fe2Ti3O18, Bi6FeCoTi3O18, and LaBi5FeCoTi3O18 Aurivillius-phase oxides”, Phys. Rev. B 95, 205102 (2017).

  13.  D. Meng, X. Zhai*, C. Ma, H. Huang, Y. Yun, Y. Huang, Z. Fu, R. Peng, X. Mao, X. Chen, G. Brown, Y. Lu, “Self-modulated nanostructures in super-large-period Bi11(Fe5CoTi3)10/9O33 epitaxial thin films”, Appl. Phys. Lett. 106, 212906 (2015).

  14.  Y. Yun, C. Ma. X. Zhai*, H. Huang, D. Meng, J. Wang, Z. Fu, R. Peng, G. J. Brown, and Y. Lu*, “Interface engineering in epitaxial growth of layered oxides via a conducting layer insertion” Appl. Phys. Lett. 107, 011602 (2015).

  15.  L. Li, H. Li, X. Zhai*, C. Zeng*, “Fabrication and Magnetic Properties of Single-Crystalline La0.33Pr0.34Ca0.33MnO3/MgO nanowires”, Appl. Phys. Lett. 103, 113101( 2013)  (Sep.9th issue cover).

  16.  Y. Yun, X. Zhai*, C. Ma, H. Huang, D. Meng, Z. Cui, J. Wang, Z. Fu, R. Peng, Gail J. Brown and Y. Lu*, “Growth of single-crystalline Bi6FeCoTi3O18 thin films and their magnetic–ferroelectric properties”, Appl. Phys. Express 8, 054001 (2015).

  17.  X. Zhai*, C. Mohapatra, A. B. Shah, J.-M. Zuo, J. N. Eckstein, “Magnetic properties of atomic layer superlattices of (SrTiO3)N/(LaMnO3)N”, J. Appl. Phys. 113, 173913 (2013).

  18.  Z. Wang, X. Zhai*,Z. Fu, and Y. Lu, “Tuning LaAlO3 lattice structure by growth rate at the picometer scale in LaAlO3/SrTiO3 heterostructures”, J. Appl. Phys. 124, 125305 (2018).

  19.  X. Zhai*, Y. Yun, D. Meng, Z. Cui, H. Huang, J. Wang, Y. Lu,* “Research progress of multiferroicity in Bi-layered oxide single-crystalline thin films”, Acta. Phys. Sin. 67, 157702 (2018).

  20.  H. Cao, Y. Liu, G. Liang, A. Zhao, X. Zhai*, “Unraveling interfacial strain and interfacial lattice reconstruction mechanism of ultrathin LaMnO3+δ layers in LaMnO3+δ/SrTiO3 superlattices”, J. Appl. Phys. 122, 085309 (2017).

  21.  J. N. Eckstein, M. Zheng, X. Zhai, B. Davidson, M. Warusawithana, S. Oh, “Atomic layer-by-layer molecular beam epitaxy of complex oxide films and heterostructures”, Chap. 21, Molecular beam epitaxy : from research to mass production, edited by Mohamed Henini, Elsevier (2013)  

  22.        C. He, A. Grutter, M. Gu, N. D. Browning, Y. Takamura, B. J. Kirby, J. A. Borchers, J. W. Kim, M. R. Fitzsimmons,X. Zhai, V. V. Mehta, F. J. Wong, and Y. Suzuki, “Interfacial ferromagnetism and exchange bias in CaRuO3/CaMnO3 superlattices”,Phys. Rev. Lett.109, 197202 (2012).

  23.       H. Zhang, J.-H. Choi, Y. Xu, X. Wang, X. Zhai, B. Wang, C. Zeng, J.-H. Cho, Z. Zhang, and J. G. Hou, “Atomic structure, energetics, and dynamics of topological solitons in Indium chains on Si(111) surfaces”, Phys. Rev. Lett. 106, 026801 (2011).

  24.        Z. Li, P. Wu, C. Wang, X. Fan, W. Zhang,X. Zhai, C. Zeng, Z. Li, J. Yang, and J. G. Hou, “Low-temperature growth of graphene by chemical vapor deposition using solid and liquid carbon sources”, ACS Nano 5, 3385 (2011)

  25.        A. Shah, Q. Ramasse, X. Zhai, J. G. Wen, S. J. May, I.Petrov, A. Bhattacharya, P. Abbamonte, J. N. Eckstein, J.-M. Zuo, “Probing interfacial electronic structures in atomic layer LaMnO3 and SrTiO3 superlattices”, Adv. Mater.22, 1156 (2010).

  26.        S. J. May, P. J. Ryan, J. L. Robertson, J.-W. Kim, T. S. Santos, E. Karapetrova, J. L. Zarestky, X. Zhai, S. G. E. te Velthuis, J. N. Eckstein, S. D. Bader, A. Bhattacharya, “Enhanced ordering temperatures in antiferromagnetic manganite superlattices”, Nat. Mater. 8, 892 (2009).

  27.        A. Bhattacharya, S. May, S. Velthuis, M. Warusawithana, X. Zhai, B. Jiang, J. M. Zuo, M. Fitzimmons, S. D. Bader, and J. N. Eckstein, “Metal-insulator transition and its relation to magnetic structure in (LaMnO3)2n/(SrMnO3)n superlattices”, Phys. Rev. Lett. 100, 257203 (2008).

  28.        H. B. Zhao, K. J. Smith, Y. Fan, G. Lupke, A. Bhattacharya, S. D. Bader, M.Warusawithana, X. Zhai, J. N. Eckstein, “Viscous spin exchange torque on precessional magnetization in (LaMnO3)2n/(SrMnO3)n superlattices”, Phys. Rev. Lett. 100, 117208 (2008).

  29.        S. Smadici, P. Abbamonte, A. Bhattacharya, X. Zhai, B. Jiang, A. Rusydi, J. N. Eckstein, S. D. Bader, and J. M. Zuo, “Electronic reconstruction at SrMnO3-LaMnO3 superlattice interfaces”, Phys. Rev. Lett. 99, 196404 (2007).


Group Members

Dr. Long Cheng, Research Assistant

Email: chenglong1@shanghaitech.edu.cn

Jia Liu

Mingrui Bao

Qing Wang


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