PUBLICATIONS
Preprints and Peer-reviewed (selected)
L. Cheng, K. Hu, S. Yang, Yan Liang, Jiandi Zhang, and J. Qi, "Competing Lattice and Defect Dynamics Govern Terahertz-Induced Ferroelectricity in Quantum Paraelectric SrTiO3 "
● K. Hu, X. H. Zhu, H. L. Wang, D. H. Wei and J. Qi, "Magnetic-mediated carrier, phonon and spin dynamics in the ferromagnetic semiconductor (In,Fe)Sb"
Chin. Phys. Lett. 40, 057502 (2025)
● Q. Wang, L. Zhang, Ze-Xu He, Q. Li, H. Hong, Ting Cui, Dongke Rong, S. Choi, Qiao Jin, C. Ge, C. Wang, Q. Zhang, L. Cheng, J. Qi, K.-J Jin, G.-Q Liu and E.-J Guo, "Advancing antiferromagnetic nitrides via metal alloy nitridation"
Commun. Materials 6, 168 (2025)
● 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)
X. B. Wang, H. Wang, J. Y. Yuan, X. Y. Zeng, L. Cheng, J. Qi, J. L. Luo, T. Dong, N. L. Wang, "Table-top laser-based terahertz high harmonic generation spectroscopy under magnetic fields and low temperatures"
Rev. Sci. Instrum. 95, 103007 (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"
Chin. 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"