PUBLICATIONS
Preprints and Peer-reviewed (selected)
● Y. Gao, X. Y. Zeng, X. B. Wang, Y. G. Shi, L. Cheng, and J. Qi, "Terahertz manipulation of nonlinear optical response in topological material PtBi2"
Optics Letters 49, 3862 (2024)
● S. R. Yang, Y. H. Pei, B. Wang, K. Hu, Q. Y. Chen, and J. Qi, "Unveiling the Hybridization Process in a Weakly Hybridized Ferromagnet by Ultrafast Optical Spectroscopy"
Phys. Rev. B 110, L020304 (2024)
● Y. H. Pei, Y. Wu, K. Hu, Z. X. Wei, Yi-feng Yang, Y. Liu and J. Qi. "Hybridization-mediated Quasiparticle and Phonon Dynamics in Single Crystal Cerium Films"
Science China - Phys. Mech. &Astron. 67, 247412 (2024)
● L. Cheng, T. Xiang and J. Qi. "Magnetic-order-mediated carrier and phonon dynamics in MnBi2Te4"
Phys. Rev. Research 6, 023073 (2024).
● Surui Yang, L. Cheng, and J. Qi. "Terahertz Emission in Quantum Materials "
Ultrafast Science 3, 0047 (2023) (Review Article)
● Kai Hu, Yujie Qin, L. Cheng, Youguo Shi and J. Qi. "Giant Nonlinear Optical Response in Topological Semimetal Molybdenum Phosphide"
Chinese Phys. Lett. 40, 114202 (2023)(Editors' Suggestion)
● P. Huang, Y. Zhang, K. Hu, J. Qi, D. Zhang, and L. Cheng. "Ultrafast carrier dynamics in GeSn thin film based on time-resolved terahertz spectroscopy"
Chinese Phys. B, 33, 017201 (2023)
● L. Cheng, Y. Xiong, L. Kang, Y. Gao, Q. Chang, M. Chen, J. Qi, H. Yang, Z. Liu, J. C. W. Song, and E. E. M. Chia, "Giant photon momentum locked THz emission in a centrosymmetric Dirac semimetal"
● C. Li, Y. Liu, Q. Zheng, Z. Yan, J. Qi, Y. Liu, J. Zhu. "Tuning of Optical Behavior in Monolayer and Bilayer Molybdenum Disulfide Using Hydrostatic Pressure"
J. Phys. Chem. Lett. 13, 161(2022)
● L. Cheng, F. C. Fei, H. Hu, Y. M. Dai, F. Q. Song, J. Qi. "Ultrafast carrier and lattice dynamics in the Dirac semimetal NiTe2"
Phys. Rev. B 106,104308(2022)(Editors' Suggestion)
● Y. Gao, Y. H. Pei, T. Xiang, L. Cheng, J. Qi. "Terahertz wave emission from the trigonal layered PtBi2"
● T. S. Seifert, L. Cheng, Z. X. Wei, T. Kampfrath, J. Qi. "Spintronic Sources of Ultrashort Terahertz Electromagnetic Pulses"
Appl. Phys. Lett. 120, 180401 (2022) (Editorial)
● Z. X. Wei, S. Zhang, Y. L. Su, L. Cheng, H. D. Zhou, Z. Jiang, H. Weng, J. Qi. "Extremely low-energy collective modes in a quasi-one-dimensional topological system"
Science China – Phys. Mech. & Astro. 65, 257012 (2022)
● Y. H. Pei, Y. J. Zhang, Z. X. Wei, Y. X. Chen, K. Hu, Y.-F Yang, H. Q. Yuan, J. Qi. "Unveiling the Hybridization Process in a Quantum Critical Ferromagnet by Ultrafast Optical Spectroscopy"
Phys. Rev. B 103, L180409 (2021)
● J. Qi."Ultrafast optical spectroscopy of superconducting materials "
Science Sinica: Phys Mech & Astro. 51, 047404 (2021) (Review Article)
● C.Q. Liu, W.-T. Lu, Z.X. Wei, Y.F. Miao, P. Wang, H. Xia, Y. Liu, F.L. Zeng, J.R. Zhang, C. Zhou, H.B. Zhao, Y.Z. Wu, Z. Yuan, J. Qi. "Strain-induced Anisotropic Terahertz Emission From a Fe(211)/Pt(110) Bilayer"
Phys. Rev. Applied, 15, 044022 (2021)
● Y. P. Liu, Y. J. Zhang, J. Dong, H. Lee, Z. Wei, W. Zhang, C. Y. Chen, H. Q. Yuan, Y.-F. Yang, J. Qi. "Hybridization dynamics in CeCoIn5 revealed by ultrafast optical spectroscopy"
Phys. Rev. Lett. 124, 057404 (2020)
● Y. Gao, S. Kaushik, E. J. Philip, Z. Li, Y. Qin,Y. P. Liu, Y. L. Su, X. Chen, W. L. Zhang, H. Weng, D. E. Kharzeev, M. K. Liu, J. Qi. "Chiral terahertz wave emission from the Weyl semimetal TaAs"
● C. Zhou, Y. P. Liu, Z. Wang, S. Ma, M. Jia, R. Q. Wu, L. Zhou, W. Zhang, M. K. Liu, Y. Z. Wu, J. Qi, "Broadband terahertz generation via the interface inverse Rashba-Edelstein effect"
Phys. Rev. Lett. 121, 086801 (2018)
● M. C. Wang, H. S. Yu, J. Xiong, Y.-F. Yang, S. N. Luo, K. Jin,J. Qi."Bosonic excitations and electron pairing in an electron-doped cuprate superconductor"
Phys. Rev. B 97, 155157 (2018)
● P. Bowlan, J. Bowlan, S. A. Trugman, R. Valdes Aguilar, J. Qi, X. Liu, J. Furdyna, M. Dobrowolska, A. J. Taylor, D. A.Yarotski, R. P. Prasankumar."Probing and controlling terahertz-driven structural dynamics with surface sensitivity"
● D. W. Yang, J. H. Liang, C. Zhou, L. Sun, R. Zheng, S. N. Luo, Y. Z. Wu, J. Qi. "Powerful and Tunable THz Emitters based on the Fe/Pt Magnetic Heterostructure"
Adv. Optical Mater. 4, 1944 (2016)
● M. C. Wang, S. Qiao, Z. Jiang, S. N. Luo, J. Qi. "Unraveling Photoinduced Spin Dynamics in the Topological Insulator Bi2Se3"
Phys. Rev. Lett. 116, 036601 (2016)
● R. Valdés Aguilar, J. Qi, M. Brahlek, N. Bansal, A. Azad, J. Bowlan, S. Oh, A. J. Taylor, R. P. Prasankumar, D. A. Yarotski. "Time-resolved terahertz dynamics in thin films of the topological insulator Bi2Se3"
Appl. Phys. Lett. 106, 011901 (2015)
● Y. M. Sheu, S. A. Trugman, L. Yan,J. Qi,Q. X. Jia,A. J. Taylor,R. P. Prasankumar."Polaronic Transport Induced by Competing Interfacial Magnetic Order in a La0.7Ca0.3MnO3/BiFeO3Heterostructure"
● J. Qi, T. Durakiewicz, S. A. Trugman, J.-X. Zhu, P. S. Riseborough, R. Baumbach, E. D. Bauer, K. Gofryk, J.-Q. Meng, J. J. Joyce, A. J. Taylor, and R. P. Prasankumar."Measurement of Two Low-Temperature Energy Gaps in the Electronic Structure of Antiferromagnetic USb2 Using Ultrafast Optical Spectroscopy"
Phys. Rev. Lett. 111, 057402(2013)
● J. Qi, L. Yan, H. D. Zhou, J.-X. Zhu, S. A. Trugman, A. J. Taylor, Q. X. Jia, R. P. Prasankumar. "Coexistence of coupled magnetic phases in epitaxial TbMnO3 films revealed by ultrafast optical spectroscopy"
Appl. Phys. Lett. 101, 122904 (2012)
● S. X. Zhang, L. Yan, J. Qi, M. Zhuo, Y.-Q. Wang, R. P. Prasankumar, Q. X. Jia, S. T. Picraux. "Epitaxial thin films of topological insulator Bi2Te3 with two-dimensional weak anti-localization effect grown by pulsed laser deposition"
Thin Solid Films 520, 6459–6462(2012)
● L.-C. Tung, P. Cadden-Zimansky, J. Qi, Z. Jiang, D. Smirnov. "Measurement of graphite tight-binding parameters using high-field magnetoreflectance"
Phys. Rev. B 84, 153405(2011)
● J. Qi, X. Chen, W. Yu, P. Cadden-Zimansky, D. Smirnov, N. H. Tolk, I. Miotkowski, H. Cao, Y. P. Chen, Y. Wu, S. Qiao, Z. Jiang. "Ultrafast carrier and phonon dynamics in Bi2Se3 crystals"
Appl. Phys. Lett. 97, 182102 (2010)
● J. Qi .J. A. Yan.H. Park, A. Steigerwald, Y. Xu , S. N. Gilbert, X. Liu, J. K. Furdyna, S. T. Pantelides, N. Tolk. "Mechanical and electronic properties of ferromagnetic Ga1-xMnxAs using ultrafast coherent acoustic phonons"
Phys. Rev. B 81, 115208(2010)
● H. Park, J. Qi, Y. Xu, K. Varga, S. M. Weiss, B. R. Rogers, G. Lüpke, N. Tolk. "Characterization of boron charge traps at the interface of Si/SiO2 using second harmonic generation"
Appl. Phys. Lett. 95, 062102 (2009)
● A. Steigerwald, Y. Xu, J. Qi, J. Gregory, X. Liu, J. K. Furdyna, K. Varga, A. B. Hmelo, G. Lüpke, L. C. Feldman, N. Tolk."Semiconductor point defect concentration profiles measured using coherent acoustic phonon waves"
Appl. Phys. Lett. 94, 111910 (2009)
● J. Qi, Y. Xu, A. Steigerwald, X. Liu, J. K. Furdyna, I. E. Perakis, and N. H. Tolk. "Ultrafast laser-induced coherent spin dynamics in ferromagnetic Ga1-xMnxAs/GaAs structures"
● J. Qi, Y. Xu, N. H. Tolk ."Coherent magnetization precession in GaMnAs induced by ultrafast optical excitation"
Appl. Phys. Lett. 91, 112506 (2007)
● J. K. Miller, J. Qi, Y. Xu, Y.-J. Cho, X. Liu, J. K. Furdyna, I. Perakis, T. V. Shahbazyan,N. Tolk."Near-bandgap wavelength dependence of long-lived traveling coherent longitudinal acoustic phonons in GaSb-GaAs heterostructures"