曹彦伟研究员带领的异质结构量子材料与先进谱学研究组
课题组主页：https://ywcao.nimte.ac.cn
曹彦伟研究组致力于为“未来芯片”提供重要材料和物理基础，主要方向为新型异质结构量子材料研究，包括新型量子界面的设计，利用先进物理气相沉积技术（off-axis sputter，laser-MBE）实现异质结的原子级构筑，利用依托同步辐射等大科学装置的先进X-射线谱学技术（XAS/XLD/XMCD，RIXS，IXS等）实现晶格-电荷-轨道-自旋的多自由度表征，进而推动原型量子器件的发展。
Publications
Yanwei Cao*, Z. Wang, S. Park, Y. Yuan, X. Liu, S. Nikitin, H. Akamatsu, M. Kareev, S. Middey, D. Meyers, P. Thompson, P.J. Ryan, P. Shafer, A. N’Diaye, E. Arenholz, V. Gopalan, Y. Zhu, K. Rabe, and J. Chakhalian, "Artificial two-dimensional polar metal at room temperature", Nature Communications 9, 1547 (2018). Editors' Highlights.
S. Middey, D. Meyers, M. Kareev, Yanwei Cao, X. Liu, P. Shafer, J.W. Freeland, J.-W. Kim, P. J. Ryan, and J. Chakhalian, “Disentangled Cooperative Orderings in Artificial Rare-Earth Nickelates”, Phys. Rev. Lett. 120, 156801 (2018).
S. Middey, D. Meyers, S. Ojha, M. Kareev, X. Liu, Yanwei Cao, J. W. Freeland, and J. Chakhalian, “Epitaxial strain modulated electronic properties of interface controlled nickelate superlattices”, Phys. Rev. B 98, 045115 (2018).
F. Wen*, Yanwei Cao*, X. Liu, B. Pal, S. Middey, M. Kareev, and J. Chakhalian, “Evolution of ferromagnetism in two-dimensional electron gas of LaTiO3/SrTiO3”, Appl. Phys. Lett. 112, 122405 (2018).
M. Hu, Q. Zhang, L. Gu, Q. Guo, Yanwei Cao, M. Kareev, J. Chakhalian, and J. Guo, “Reconstruction-stabilized epitaxy of LaCoO3/SrTiO3(111) heterostructures by pulsed laser deposition”, Appl. Phys. Lett. 112, 031603 (2018).
H. Padmanabhan, Y. Park, D. Puggioni, Y. Yuan, Yanwei Cao, L. Gasparov, Y. Shi, J. Chakhalian, J. Rondinelli, and V. Gopalan, “Linear and nonlinear optical probe of the ferroelectric-like phase transition in a polar metal, LiOsO3”, Appl. Phys. Lett. 113, 122906 (2018).
S. Zhang, J. Guan, Y. Wang, T. Berlijn, S. Johnston, X. Jia, B. Liu, Q. Zhu, Q. An, S. Xue, Yanwei Cao, F. Yang, W. Wang, J. Zhang, E. W. Plummer, X. Zhu, and J. Guo, “Lattice dynamics of ultrathin FeSe films on SrTiO3”, Phys. Rev. B 97, 035408 (2018).
X. Liu, Yanwei Cao, B. Pal, S. Middey, M. Kareev, Y. Choi, P. Shafer, D. Haskel, E. Arenholz, and J. Chakhalian, “Synthesis and electronic properties of Ruddlesden-Popper strontium iridate epitaxial thin films stabilized by control of growth kinetics”, Phys. Rev. Mater. 1, 075004 (2017).
Yanwei Cao*, X. Liu, M. Kareev, D. Choudhury, S. Middey, D. Meyers, J.-W. Kim, P. J. Ryan, J.W. Freeland, and J. Chakhalian, “Engineered Mott ground state in a LaTiO3+δ/LaNiO3”, Nature Communications 7, 10418 (2016).
Yanwei Cao*, Z. Yang, M. Kareev, X. Liu, D. Meyers, S. Middey, D. Choudhury, P. Shafer, J. Guo, J. W. Freeland, E. Arenholz, L. Gu, and J. Chakhalian, “Magnetic interactions at the nanoscale in trilayer titanates”, Physical Review Letters 116, 076802 (2016).
Yanwei Cao*, X. Liu, P. Shafer, S. Middey, D. Meyers, M. Kareev, Z. Zhong, J. Kim, P. Ryan, E. Arenholz, J. Chakhalian, “Anomalous orbital structure in a spinel-perovskite interface”, npj Quantum Materials 1, 16009 (2016).
Yanwei Cao*, S. Park, X. Liu, D. Choudhury, S. Middey, D. Meyers, M. Kareev, P. Shafer, E. Arenholz, and J. Chakhalian, “Orbital configuration in CaTiO3 films on NdGaO3”, Applied Physics Letters 109, 152905 (2016).
X. Liu, S. Middey, Yanwei Cao, M. Kareev, J. Chakhalian, “Geometrical lattice engineering of complex oxide heterostructures: a designer approach to emergent quantum states”, MRS Communications 6, 133-144 (2016).
S. Middey, D. Meyers, D. Doennig, M. Kareev, X. Liu, Yanwei Cao, Zhenzhong Yang, Jinan Shi, Lin Gu, P. J. Ryan, R. Pentcheva, J. W. Freeland, and J. Chakhalian, “Mott Electrons in an Artificial Graphenelike Crystal of Rare-Earth Nickelate”, Physical Review Letters 116, 056801 (2016).