​

​2025

​​​​​​

124. Terahertz-Induced Tunnel Ionization Drives Coherent Raman-Active Phonon in Bismuth 

Bing Cheng, Patrick L. Kramer, Mariano Trigo, Mengkun Liu, Ctirad Uher, David A. Reis, Zhi-Xun Shen, Jonathan A. Sobota, and Matthias. C. Hoffmann, Phys. Rev. Lett. 135, 146901 (2025).

https://journals.aps.org/prl/abstract/10.1103/ttwf-qgz4

​

​123. Roadmap for Photonics with 2D Materials 
F. Javier García de Abajo, DN Basov, Frank HL Koppens et al. ACS photonics 12, 3961(2025).   

arXiv preprint arXiv:2504.04558

​

​122. Polaritonic Quantum Matter 
D.N. Basov, A. Asenjo-Garcia, P.J. Schuck, X.-Y. Zhu, A. Rubio, A. Cavalleri, M. Delor, M.M. Fogler, Mengkun Liu,  Nanophotonics (2025).  

arXiv:2505.05285

doi.org/10.1515/nanoph-2025-0001

​​

​121. Observation of Low-Loss Charge Transfer Plasmons in Graphene/α-RuCl3 Heterostructures Below 40 K

Boyi Zhou, Ran Jing, Wenjun Zheng, Xinzhong Chen, Jiacheng Sun, Zijian Zhou, Heng Wang, Lukas Wehmeier, Erdong Song, Bing Cheng, Yinan Dong, Matthew Cothrine, David Mandrus, G. L. Carr, Xu Du, Erik A Henriksen, D. N. Basov, Mengkun Liu*, ACS Photonics, 12, 3082 (2025).

​https://doi.org/10.1021/acsphotonics.5c00296​

​

​120. Plasmonic eigenmodes in quasi-2D vanadium dioxide films 

Makoto Tsuneto┼, Ran Jing┼, Jiawei Zhang, Xinzhong Chen, I-Cheng Tung, Salinporn Kittiwatanakul, William Zheng, Chiu Fan Bowen Lo, Michael D. Goldflam, Colin Roye, D. N. Basov, Haidan Wen, Alexander Swinton McLeod*, Mengkun Liu*, in submission.

​​119. Magnetically tunable polariton cavities in van der Waals heterostructures 

Rafael A. Mayer, Xinzhong Chen, Ran Jing, Makoto Tsuneto, Boyi Zhou, Zijian Zhou, Wenjun Zheng, Rui Pu, Suheng Xu, Tom Liu, Helen Yao, Lukas Wehmeier, Yinan Dong, Dihao Sun, Leo He, Alisson R. Cadore, Tony Heinz, Jonathan A. Fan, Cory R. Dean, D. N. Basov, Xu Du, Raul O. Freitas, Mengkun Liu, Nano Letters, 25, 13079 (2025).

​https://pubs.acs.org/doi/10.1021/acs.nanolett.5c02168

​

​118. Ultrabroadband Spacetime Nanoscopy of Terahertz Polaritons in a van der Waals Cavity 

Lukas Wehmeier, Suheng Xu, Xinzhong Chen, Shang-Jie Yu, Yuchen Lin, Zhenbing Dai, Heng Wang, Helen Yao, Yue Jiang, Jenny Hu, C.C. Homes, Eli Janzen, James H. Edgar, Xiaolin Zheng, Tony F. Heinz, Jonathan A. Fan, D.N. Basov, G.L. Carr, Mengkun Liu, Small, 2026 Jan 8:e05899. doi: 10.1002/smll.202505899. (2026).

​​

​117. Magnetic field driven emergent phenomena: Insights from magneto-optics and nanoscopy 

Zhenbing Dai*, Bing Cheng, Ran Jing, Lukas Wehmeier, Zhurun Ji, D. N. Basov, Guangxin Ni, Mengkun Liu*,
Progress in Quantum Electronics, 103, 100585 (2025).

https://doi.org/10.1016/j.pquantelec.2025.100585

​​​116. Bolometric Superconducting Optical Nanoscopy (BOSON)

Ran Jing┼, Boyi Zhou┼, Dingchen Kang, Wenjun Zheng, Zijian Zhou, Heng Wang, Xinzhong Chen, Juntao Yao, Bing Cheng, Ji-Hoon Park, Lukas Wehmeier, Zhenbing Dai, Shoujing Chen, Christopher D. Prainito, G. L. Carr, Ilya Charaev, Denis Bandurin, Genda Gu, Qiang Li, Karl K. Berggren, D. N. Basov*, Xu Du, Mengkun Liu*, PRX 15, 031027 (2025).

https://arxiv.org/abs/2504.14547

​DOI: https://doi.org/10.1103/f13d-dpdn​​

​

​115. Photocurrent Nanoscopy of Quantum Hall Bulk

Ran Jing*, Boyi Zhou, Jiacheng Sun, Shoujing Chen, Wenjun Zheng, Zijian Zhou, Heng Wang, Lukas Wehmeier, Bing Cheng, Michael Dapolito, Yinan Dong, Zengyi Du, G. L. Carr, Xu Du, D. N. Basov, Qiang Li, Mengkun Liu*  PRX 15, 021026 (2025).

​arXiv:2504.09442​

doi.org/10.1103/PhysRevX.15.021026

​

​114. Visible-to-THz near-field nanoscopy

R. Hillenbrand*, Y. Abate*, M.K. Liu*, X. Chen, D.N. Basov, Nature Review Materials, 10, 285–310 (2025). Link

doi.org/10.1038/s41578-024-00761-3

​

​​

2024

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113. Charge transfer plasmonics in bespoke graphene/α-RuCl3 cavities
Vitalone, Rocco; Sørensen Jessen, Bjarke; Jing, Ran; Rizzo, Daniel; Xu, Suheng; Hsieh, Valerie; Cothrine, Matthew; Mandrus, David; Wehmeier, Lukas; Carr, G. Lawrence; Bisogni, Valentina; Dean, Cory; Hone, James; Liu, Mengkun; Weinstein, Michael; Fogler, Michael; Basov, Dimitri, ACS photonics, 18, 29648 (2024) ​

​doi.org/10.1021/acsnano.4c08441

​

112. Tunable Phonon Polariton Hybridization in a van der Waals Hetero‐Bicrystal

Lukas Wehmeier*, Shang‐Jie Yu, Xinzhong Chen, Rafael A Mayer, Langlang Xiong, Helen Yao, Yue Jiang, Jenny Hu, Eli Janzen, James H Edgar, Xiaolin Zheng, Tony F Heinz, DN Basov, Christopher C Homes, Guangwei Hu, G Lawrence Carr, Mengkun Liu*, Jonathan A Fan* Advanced Materials,  2401349 (2024).

​doi.org/10.1002/adma.202401349

​

111. Nano-Imaging of Landau-Phonon Polaritons in Dirac Heterostructures

Lukas Wehmeier, Suheng Xu, Rafael A. Mayer, Brian Vermilyea, Makoto Tsuneto, Michael Dapolito, Rui Pu, Zengyi Du, Xinzhong Chen, Wenjun Zheng, Ran Jing, Zijian Zhou, Kenji Watanabe, Takashi Taniguchi, Adrian Gozar, Qiang Li, Alexey B. Kuzmenko, G. Lawrence Carr, Xu Du, Michael M. Fogler, D.N. Basov, Mengkun Liu, Science Advance, 10, 3487 (2024).

​DOI: 10.1126/sciadv.adp3487​

​

110. Electronic interactions in Dirac fluids visualized by nano-terahertz spacetime mapping

Suheng Xu, Yutao Li, Rocco A Vitalone, Ran Jing, Aaron J Sternbach, Shuai Zhang, Julian Ingham, Milan Delor, James McIver, Matthew Yankowitz, Raquel Queiroz, Andrew J Millis, Michael M Fogler, Cory R Dean, James Hone, Mengkun Liu, DN Basov, Science Advance, 10, eado5553 (2024). Arxiv link.

DOI: 10.1126/sciadv.ado5553

​

​​​109.  Inhomogeneous Photosusceptibility of VO2 Films at the Nanoscale
A. J. Sternbach, T. Slusar, F. L. Ruta, S. Moore, X. Chen, M. K. Liu, H. T. Kim, A. J. Millis, R. D. Averitt, and D. N. Basov
Phys. Rev. Lett. 132, 186903 (2024).

​​

​

2023

​​

108. Local microwave sensing of excitons and their electrical environment
Zhurun Ji*, Mark E. Barber, Ziyan Zhu, Carlos R. Kometter, Jiachen Yu, Kenji Watanabe, Takashi Taniguchi, Mengkun Liu, Thomas P. Devereaux, Benjamin E. Feldman, Zhixun Shen*, Nature Communications 16, 9236 (2025).
https://doi.org/10.1038/s41467-025-64280-7

​

107. Electronic structure, magnetic and transport properties of antiferromagnetic Weyl semimetal GdAlSi

Antu Laha, Asish K. Kundu, Niraj Aryal, et al. PRB 109, 035120 (2023)

​​​

106. Observation of anomalous thermal effect in ZrTe5 using photothermal measurements

Makoto Tsuneto, Ran Jing, Xinzhong Chen et al., Phys. Rev. Applied 21, 034001 (2024).

​​​

​105. Accelerated Nano-Optical Imaging Through Sparse Sampling
Fu, Matthew; Xu, Suheng; Zhang, Shuai; Ruta, Francesco; Pack, Jordan; Mayer, Rafael; Chen, Xinzhong; Moore, Samuel; Rizzo, Daniel; Jessen, Bjarke; Cothrine, Matthew; Mandrus, David; Watanabe, Kenji; Taniguchi, Takashi; Dean, Cory; Pasupathy, Abhay; Bisogni, Valentina; Schuck, P. James; Millis, Andrew; Liu, Mengkun; Basov, Dimitri, Nano Lett. 24, 2149 (2024).

DOI: 10.1021/acs.nanolett.3c03733

​

104. Ultrabroadband Terahertz Near-Field Nanospectroscopy with a HgCdTe Detector

Wehmeier, Lukas; Liu, Mengkun; Park, Suji; Jang, Houk; Homes, Christopher; Carr, G. Lawrence, ACS photonics, 10, 12, 4329–4339 (2023).

​DOI: 10.1021/acsphotonics.3c01148

​

103. Roadmap on Label‐Free Super‐Resolution Imaging

Vasily N Astratov et al.  Laser Photonics Rev. 2200029 (2023). Link

​

102. Visualizing moiré ferroelectricity via plasmons and nano-photocurrent in graphene/twisted-WSe2 structures.

Shuai Zhang, Yang Liu, Zhiyuan Sun, Xinzhong Chen, Baichang Li, S. L. Moore, Song Liu, Zhiying Wang, S. E. Rossi, Ran Jing, Jordan Fonseca, Birui Yang, Yinming Shao, Chun-Ying Huang, Taketo Handa, Lin, Xiong, Matthew Fu, Tsai-Chun Pan, Dorri Halbertal, Xinyi Xu, Wenjun Zheng, P.J. Schuck, A.N. Pasupathy, C.R. Dean, Xiaoyang Zhu, David H. Cobden, Xiaodong Xu, Mengkun Liu, M.M. Fogler, James C. Hone, D.N. Basov*, Nature Communications, 14, 6200 (2023).

 

101. Phase-resolved terahertz nanoimaging of WTe2 microcrystals.

Ran Jing, Rocco A Vitalone, Suheng Xu, Chiu Fan Bowen Lo, Zaiyao Fei, Elliott Runburg, Yinming Shao, Xinzhong Chen, Fabian Mooshammer, Alexander S Mcleod, Mengkun Liu, Michael M Fogler, David H Cobden, Xiaodong Xu, D.N. Basov, Phys. Rev. B 107, 155413 (2023)  Link

​

100. Infrared Nano-Imaging of Dirac Magnetoexcitons in Graphene. 

Michael Dapolito, Makoto Tsuneto, Wenjun Zheng, Lukas Wehmeier, Suheng Xu, Xinzhong Chen, Jiacheng Sun, Zengyi Du, Yinming Shao, Ran Jing, Shuai Zhang, Adrien Bercher, Yinan Dong, Dorri Halbertal, Vibhu Ravindran, Zijian Zhou, Adrian Gozar, GL Carr, Qiang Li, Alexey Kuzmenko, Michael Fogler, Dmitri Basov, Xu Du, Mengkun Liu. Nature Nanotechnology, 18, 1409–1415 (2023).  Link

​DOI: 10.1038/s41565-023-01488-y​

​

2022

​

99. Doping-driven topological polaritons in graphene/α-MoO3 heterostructures. 

Hai Hu, Na Chen, Hanchao Teng, Renwen Yu, Yunpeng Qu, Jianzhe Sun, Mengfei Xue, Debo Hu, Bin Wu, Chi Li, Jianing Chen, Mengkun Liu, Zhipei Sun, Yunqi Liu, Peining Li, Shanhui Fan, F. Javier García de Abajo & Qing Dai. Nature Nanotechnology (2022), in print.  Link

​

98. A Near-field Study of VO2/(100)TiO2 Film and its Crack Induced Strain Relief.

Xinzhong Chen*, Salinporn Kittiwatanakul, Yinke Cheng, Tetiana V. Slusar, Alexander S. Mcleod, Zhuoqi Li, Hyun-Tak Kim, D. N. Basov, Mengkun Liu*  Applied Physics Letters,  121, 021902 (2022).

​

97. Infrared Nano-Imaging of Electronic Phase across the Metal-Insulator Transition of NdNiO3 Films

Fanwei Liu, Sisi Huang, Sidan Chen, Xinzhong Chen, Mengkun Liu, Kuijuan Jin, and Xi Chen, Chinese Physics Letters, 39 076801 (2022). [pdf]

​

96. Tunable planar focusing based on hyperbolic phonon polaritons in α‐MoO3
Yunpeng Qu, Na Chen, Hanchao Teng, Hai Hu, Jianzhe Sun, Renwen Yu, Debo Hu, Mengfei Xue, Chi Li, Bin Wu, Jianing Chen, Zhipei Sun, Mengkun Liu, Yunqi Liu, F Javier García de Abajo, Qing Dai, Advanced Materials, 2105590 (2022). Link

​

95. Deep-Learning-Aided Extraction of Optical Constants in Scanning Near-Field Optical Microscopy
Y Zhao, X Chen, Z Yao, M Liu, MM Fogler,  Journal of Applied Physics 133, 133105 (2023).  arXiv:2202.02979. Link

 

94. Scattering-type Scanning Near-Field Optical Microscopy of Polymer-Coated Gold Nanoparticles

SG Stanciu, DE Tranca, G Zampini, R Hristu, GA Stanciu, X Chen, M Liu, Harald A Stenmark, Loredana Latterini. ACS omega 7 (13), 11353-11362. Link

​

93. Machine Learning for Optical Scanning Probe Nanoscopy

Xinzhong Chen, Suheng Xu, Sara Shabani, Yueqi Zhao, Matthew Fu, Andrew J Millis, Michael M Fogler, Abhay N Pasupathy, Mengkun Liu*, DN Basov*,  Advanced Materials 2109171 (2022) arXiv:2204.09820. Link

​

92. Few-layer hexagonal boron nitride as a shield of brittle materials for cryogenic s-SNOM exploration of phonon polaritons
D Hu, C Luo, L Kang, M Liu, Q Dai, Applied Physics Letters 120 (16), 161101 (2022). Link

​

91. Robust and tunable Weyl phases by coherent infrared phonons in ZrTe5  

Niraj Aryal, Xilian Jin, Qiang Li, Mengkun Liu,  Alexei Tsvelik, Weiguo Yin, npj communications, 8, Article number: 113 (2022). Link.

​

90. Broadband terahertz time-domain polarimetry based on air plasma filament emissions and spinning electro-optic sampling in GaP  

Kuangyi Xu,  Mengkun Liu, and  M. Hassan Arbab, Appl. Phys. Lett. 120, 181107 (2022) Link;

​

89. Rapid simulations of hyperspectral near-field images of three-dimensional heterogeneous surfaces – part II
Xinzhong Chen*, Ziheng Yao,  Zhiyuan Sun, Stefan G. Stanciu, D. N. Basov, Rainer Hillenbrand, and Mengkun Liu*, Optics Express 30 (7), 11228-11242 (2022). Link

https://doi.org/10.1364/OE.452949

​

88. Simulation of Scanning Near-Field Optical Microscopy Spectra of 1D Plasmonic Graphene Junctions

Vyacheslav Semenenko, Mengkun Liu, Vasili Perebeinos,  Optics Express 30, 9000-9007 (2022). Link

​

87. Scattering-type scanning near-field optical microscopy with Akiyama piezo-probes

Michael Dapolito, Xinzhong Chen, Chaoran Li, Makoto Tsuneto, Shuai Zhang, Xu Du, Mengkun Liu*, Adrian Gozar*, Applied Physics Letters  120, 013104 (2022). Link

​

86. Active control of micrometer plasmon propagation in suspended graphene

Hai Hu, Renwen Yu, Debo Hu, Xiaoxia Yang, A. S. McLeod, Pablo AlonsoGonzález, Xiangdong Guo, Hanchao Teng, Chi Li, Na Chen, Xinzhong Chen, Ziheng Yao, Yunpeng Qu,  Zhenjun Li, Jianing Chen, Zhipei Sun, Mengkun Liu, F. Javier García de Abajo,  Qing Dai, Nature Communications, 13, 1465 (2022). Link

​

85. Terahertz nano-imaging of metal-insulator transition in Cd2Os2O7

Ran Jing, Lin Xiong, Hishiro T. Hirose, Yinming Shao, Alex S. Mcleod, Xinzhong Chen, Mengkun Liu, Zenji Hiroi and D. N. Basov, EPL, 137, 56001 (2022). Link

​

84. Nano-spectroscopy of excitons in atomically thin transition metal dichalcogenides

Shuai Zhang, Baichang Li, Xinzhong Chen, Francesco L. Ruta, Yinming Shao, Aaron J. Sternbach, A. S. McLeod, Zhiyuan Sun, Lin Xiong, S. L. Moore, Xinyi Xu, Wenjing Wu, Sara Shabani, Lin Zhou, Zhiying Wang, Fabian Mooshammer, Essance Ray, Nathan Wilson, P.J Schuck, C. R. Dean, A. N. Pasupathy, Michal Lipson, Xiaodong Xu, Xiaoyang Zhu, A. J. Millis, Mengkun Liu, James C. Hone, D.N. Basov*, Nature Communications 13, 542 (2022). Link

​

2021

​

83. Laser-Induced Cooperative Transition in Molecular Electronic Crystal

Yong Hu, Dasharath Adhikari, Andrew Tan, Xi Dong, Taishan Zhu, Xiaoyu Wang, Yulong Huang, Travis Mitchell, Ziheng Yao, Nathan Dasenbrock-Gammon, Elliot Snider, Ranga P. Dias, Chuankun Huang, Richard Kim, Ian Neuhart, Ahmed H. Ali, Jiawei Zhang, Hans A. Bechtel, Michael C. Martin, Stephanie N. Gilbert Corder, Feng Hu, Zheng Li, Jason N. Armstrong, Jigang Wang, Mengkun Liu, Jason Benedict, Eva Zurek,Ganapathy Sambandamurthy, Jeffrey C. Grossman, Pengpeng Zhang, Shenqiang Ren, Advanced Materials 2103000 (2021).

​

82. Nanotextured Dynamics of a Light-Induced Phase Transition in VO2

Aaron J Sternbach, Francesco L Ruta, Yin Shi, Tetiana Slusar, Jacob Schalch, Guangwu Duan, Alexander S McLeod, Xin Zhang, Mengkun Liu, Andrew J Millis, Hyun-Tak Kim, Long-Qing Chen, Richard D Averitt, DN Basov, Nano Letters 21, 9052-9060 (2021).

​

81. Deep learning analysis of polaritonic waves images
Suheng Xu, Alexander McLeod, Xinzhong Chen, Daniel Rizzo, Bjarke Jessen, Ziheng Yao, Zhicai Wang , Zhiyuan  Sun, Sara Shabani, Abhay Pasupathy, Andrew Millis, Cory Dean, James Hone, Mengkun Liu, D. N. Basov*. ACS Nano 15, 11, 18182 (2021).

DOI: 10.1021/acsnano.1c07011

​

80. Rapid simulations of hyperspectral near-field images of three-dimensional heterogeneous surfaces 

Xinzhong Chen*, Ziheng Yao, Stefan G. Stanciu, D.N.Basov, Rainer Hillenbrand, and Mengkun Liu*, Optics Express, 29, 39648 (2021). Link

​https://doi.org/10.1364/OE.440821

​

79. Hybrid Machine Learning for the Scattering-Type Scanning Near-field Microscopy 
Xinzhong Chen*, Ziheng Yao, Suheng Xu, A. S. McLeod, Stephanie N. Gilbert Corder, Yueqi Zhao, Makoto Tsuneto, Hans A. Bechtel, Michael C. Martin, G. L. Carr, M. M. Fogler, Stefan G. Stanciu, D. N. Basov, Mengkun Liu*,  ACS Photonics 8, 2987 (2021). Arxiv   [pdf]

https://pubs.acs.org/doi/10.1021/acsphotonics.1c00915

78. Anomalous contrast in broadband THz near-field imaging of gold microstructures
Angela Pizzuto, Xinzhong Chen, Hai Hu, Qing Dai, Mengkun Liu, and Daniel M. Mittleman* 29, 15190 Optics Express (2021). Link  [pdf]

​

77. Probing subwavelength in-plane anisotropy with antenna-assisted infrared nano-spectroscopy

Ziheng Yao, Xinzhong Chen, Lukas Wehmeier, Yinming Shao, Zimeng Zeng, Fanwei Liu, Alexander S. Mcleod, Stephanie N. Gilbert Corder, Makoto Tsuneto, Suheng Xu, Wu Shi, Zihang Wang, Wenjun Zheng, Hans A. Bechtel, G. L. Carr, Michael C. Martin, Alex Zettl, D. N. Basov, Xi Chen, Lukas M. Eng, Susanne C. Kehr, Mengkun Liu* Nature Communications 12, 2649 (2021). Link 

[pdf]

DOI: 10.1038/s41467-021-22844-3

​

76. Terahertz response of monolayer and few-layer WTe2 at the nanoscale   

Ran Jing, Yinming Shao, Zaiyao Fei, Chiu Fan Bowen Lo, Francesco Ruta, John Staunton, Alexander McLeod, Zhiyuan Sun, Xinzhong Chen, Michael Fogler, Mengkun Liu, David Cobden, Xiaodong Xu, D. N. Basov* Nature Communications 12, 5594 (2021).  Link  [pdf]

​https://doi.org/10.1038/s41467-021-23933-z

​

75.Effect of sample anisotropy on scanning near-field optical microscope images, S. T. Chui, X. Chen, Z. Yao, H. A. Bechtel, M. C. Martin, G. L. Carr, M.K. Liu, Journal of Applied Physics 129, 083105 (2021) (editors-pick)  Link  [pdf]

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74. Partially metal-coated tips for near-field nanospectroscopy

Yujia Zhang, Xinzhong Chen, Derek Chen, Ziheng Yao, Suheng Xu, M. Mumtaz Qazilbash and Mengkun Liu*, Physical Review Applied 15, 014048 (2021). Link  [pdf]

​

2020

​

73. Joule heating in Boltzmann theory of metals Philip B. Allen* and Mengkun Liu*, Physical Review B 102, 165134 (2020).

Link  [pdf]

​

72. Moiré Engineering of Electronic Phenomena in Correlated Oxides
Xinzhong Chen, Xiaodong Fan, Lin Li*, Nan Zhang, Zhijing Niu, Tengfei Guo, Suheng Xu, Han Xu, Dongli Wang, Huayang Zhang, A. S. McLeod, Zhenlin Luo, Qingyou Lu, Andrew J. Millis, D. N. Basov*, Mengkun Liu*, Changgan Zeng*    arXiv:1907.11566, Nature Physics 16, 631–635 (2020). Link Link Link  [pdf]

71. A Rewritable Optical Storage Medium of Silk Proteins Using Near-field Nano-optics
Woonsoo Lee, † Zhitao Zhou,† Xinzhong Chen, Mengkun Liu,* Tiger H. Tao*, Wei Li*,  Nature Nanotechnology, 15, 941 (2020). Link  [pdf]

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70. Validity of Machine Learning in the Quantitative Analysis of Complex Scanning Near-Field Optical Microscopy Signals Using Simulated Data

Xinzhong Chen*, Richard Ren, and Mengkun Liu*, Physical Review Applied 15, 014001 (2020)  Link  [pdf]

​

69. High-efficiency scattering probe design for s-polarized near-field microscopy

Richard Ren, Xinzhong Chen, Mengkun Liu*, Applied Physics Express 14 022002. (2020) Link  [pdf]

​

68. Scattering of Quasistatic Plasmons by 1D Junctions of Graphene: Transfer-matrices, Fresnel Relations, and Non-Locality

Vyacheslav Semenenko, Mengkun Liu, and Vasili Perebeinos*, Phys. Rev. Applied 14, 024049 (2020). Link  [pdf]

67. THz near-field imaging of extreme subwavelength metal structures
Xinzhong Chen±, Xiao Liu±, Xiangdong Guo, Shu Chen, Hai Hu, Elizaveta Nikulina, Ziheng Yao, Hans A. Bechtel, Michael C. Martin, G. L. Carr, Qing Dai*, Songlin Zhuang, Qing Hu, Yiming Zhu*, Rainer Hillenbrand, Mengkun Liu*, Guanjun You*  ACS Photonics 7, 3, 687-694 (2020). Link  [pdf]

66. Chiral terahertz wave emission from the Weyl semimetal TaAs
Y. Gao, Y. Qin, Sahal Kaushik, Evan J. Philip, Y. P. Liu, Y. L. Su, X. Chen, Z. Li, H. Weng, Dmitri E. Kharzeev*, M. K. Liu*, J. Qi* 
arXiv:1901.00986v3   Nature Communications​ 11, 720 (2020). Link  [pdf]

​

65. Ultrafast photoexcitation dynamics of ZnTe crystals by femtosecond optical pump‐probe and terahertz emission spectroscopy

Jianrui Liu, Xinzhong Chen, Ziheng Yao, Xincheng Wu, Mengkun Liu, Alexey V. Balakin, Alexander P. Shkurinov, Guanjun You*, Yiming Zhu, Microwave and Optical Technology Letters (2020). Link  [pdf]

​

2019

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64. Ultrabroadband infrared near-field spectroscopy and imaging of local resonators in percolative gold films
Xinzhong Chen, Jiawei Zhang, Ziheng Yao, Hans Bechtel, Michael Martin, Larry Carr, and Mengkun Liu*, JOSA B 36 (12), 3315-3321 (2019). Link [pdf]

63. A Multibeam Interference Model for Analyzing Complex Near-Field Images of Polaritons in 2D van der Waals Microstructures
Baoxin Liao, Xiangdong Guo, Debo Hu, Feng Zhai, Hai Hu, Ke Chen, Chen Luo, Mengkun Liu, Xiaoxia Yang,* and Qing Dai*, Advanced Functional Materials, 1904662 (2019).   Link  [pdf]

62. Nanoimaging and Nanospectroscopy of Polaritons with Time Resolved s-SNOM
Ziheng Yao, Suheng Xu, Debo Hu, Xinzhong Chen, Qing Dai*, Mengkun Liu*, Advanced Optical Materials 1901042 (2019). Link  [pdf]

61. Simultaneous scanning near-field optical and X-ray diffraction microscopy for correlative nanoscale structure–property characterization
Qian Li, Samuel D. Marks, Sunil Bean, Michael Fisher, Donald A. Walko, Anthony D. DiChiara, Xinzhong Chen, Keiichiro Imura, Noriaki K. Sato, Mengkun Liu, Paul G. Evans and Haidan Wen, J. Synchrotron Rad. 26 (2019). Link   [pdf]

60. Structural, transport, and ultrafast dynamic properties of V1-xNbxO2 thin films
​Yuhan Wang, Jiawei Zhang, Yue Ni, Xinzhong Chen, Ryan Mescall, Tamara Isaacs-Smith, Ryan B. Comes, Salinporn Kittiwatanakul, Stuart A. Wolf, Jiwei Lu*, and Mengkun Liu*, Phys. Rev. B 99, 245129 (2019).  Link  [pdf]

59. ​Tunable Modal Birefringence in Low-loss van der Waals Waveguide​
Debo Hu, Ke Chen, Xinzhong Chen, Xiangdong Guo, Mengkun Liu*, and Qing Dai*, Advanced Materials 1807788​ (2019). Link  [pdf]

58. Nano-resolved current-induced insulator-metal transition in the Mott insulator Ca2RuO4
Jiawei Zhang†, Alexander. S. McLeod†, Qiang Han†, Xinzhong Chen, Hans A. Bechtel, Ziheng Yao, S. N. Gilbert Corder, Thomas Ciavatti, Hu (Tiger) Tao, Meigan Aronson, G. L. Carr, Michael C. Martin, Chanchal Sow, Shingo Yonezawa, Fumihiko Nakamura, Ichiro Terasaki, D. N. Basov, Andrew J. Millis*, Yoshiteru Maeno*, Mengkun Liu*, Physical Review X, 9, 011032 (2019) ​Link  [pdf]
​
57. Photo-induced Terahertz Near-field Dynamics of Graphene/InAs Heterostructures
Ziheng Yao, Vyacheslav Semenenko, Jiawei Zhang, Scott Mills, Xiaoguang Zhao, Xinzhong Chen, Hai Hu, Ryan Mescall, Thomas Ciavatti, Stephen March, Seth R. Bank, Hu Tao, Xin Zhang, Vasili Perebeinos, Qing Dai, Xu Du*, Mengkun Liu*, Optics Express 27, 13611 (2019). Link  [pdf]

56. Photo-induced charge density distribution in metal surfaces and its extraction with apertureless near-field optics
Chui, S; Chen, Xinzhong; Hu, Debo; Dai, Qing; Hu, Hai; Liu, Mengkun, Journal of Physics: Condensed matter, 31, 24LT01 (2019). Link  [pdf]

55. Modern Scattering-Type Scanning Near-field Optical Microscope for Advanced Material Research
Xinzhong Chen, Debo Hu, Ryan Mescall, Guanjun You, D. N. Basov*, Qing Dai*, Mengkun Liu*, Advanced Materials, 1804774 (2019). Link  [pdf]
​
54. Phase change hyperbolic heterostructures for nano-polaritonics: a case study of hBN/VO2
Siyuan Dai*†, Jiawei Zhang†, Qiong Ma, Salinporn Kittiwatanakul, Alex McLeod, Xinzhong Chen, Stephanie Gilbert Corder, Kenji Watanabe, Takashi Taniguchi, Jiwei Lu, Qing Dai, Pablo Jarillo-Herrero, Mengkun Liu*, D.N. Basov*, Advanced Materials 499, 1900251 (2019).  Link   [pdf]

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2018

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53. Terahertz Nano-imaging of graphene 
Jiawei  Zhang;  Xinzhong Chen (co-first author); Scott Mills, Thomas Ciavatti, Ziheng Yao,  Ryan Mescall,  Hai Hu,  Vyacheslav Semenenko, Zhe Fei, Hua, Li,  Vasili Perebeinos, Hu Tao, Qing Dai, Xu, Du, Mengkun Liu*, ACS Photonics 5, 7, 2645-2651​ (2018) ​Link [pdf]

52. Ultrafast THz Field Control of Electronic and Structural Interactions in Vanadium Dioxide  
A. X. Gray, M. C. Hoffmann, J.  Jeong, N. P. Aetukuri, D. Zhu, H. Y. Hwang, N. C. Brandt, H. Wen, A. J. Sternbach, S. Bonetti, A. H. Reid, R. Kukreja, C. Graves, T. Wang, P. Granitzka, Z. Chen, D. J. Higley, T. Chase, E. Jal, E. Abreu, M. K. Liu, T.-C. Weng, D. Sokaras, D. Nordlund, M. Chollet, R. Alonso-Mori, H. Lemke, J. M. Glownia, M. Trigo, Y. Zhu, H. Ohldag, J. W. Freeland, M. G. Samant, J. Berakdar, R. D. Averitt, K. A. Nelson, S. S. P. Parkin, H. A. Dürr,  Phys. Rev. B 98, 045104 (2018) Link  [pdf]

51. Broadband terahertz generation via the interface inverse Rashba-Edelstein effect
C. Zhou, Y. P. Liu, Z. Wang, S. J. Ma, M. W. Jia, R.Q. Wu, L. Zhou, W. Zhang, M. K. Liu, Y. Z. Wu, J. Qi, arXiv:1804.04765,  Phys. Rev. Lett.  121, 086801 (2018) Link [pdf]

50. Anomalous Nanoscale Opto-Acoustic Phonon Mixing in Nematic Mesogens
Dima Bolmatov, Dmytro Soloviov, Dmitry Zav’yalov, Lewis Sharpnack, Deña, M. Agra-Kooijman, Satyendra Kumar, Jiawei Zhang, Mengkun Liu, and John Katsaras, The Journal of Physical Chemistry Letters, 9, 2546-2553 (2018). Link  [pdf]
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​49. Protein Bricks: 2D and 3D Bio‐Nanostructures with Shape and Function on Demand
Jianjuan Jiang, Shaoqing Zhang, Zhigang Qian, Nan Qin, Wenwen Song, Long Sun, Zhitao Zhou, Zhifeng Shi, Liang Chen, Xinxin Li, Ying Mao, David L. Kaplan, Stephanie N. Gilbert Corder, Xinzhong Chen, Mengkun Liu, Fiorenzo G. Omenetto, Xiaoxia Xia, Tiger H. Tao, Advanced Materials,  1705919 (2018). Link  [pdf]
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48. Multi-color terahertz imaging with hyperspectral metamaterial focal plane arrays
Zhitao Zhou, Tao Zhou,Shaoqing Zhang, Zhifeng Shi, Ying Chen, Wenjian Wan, Xinxin Li, Xinzhong Chen, Stephanie N. Gilbert Corder, Liang Chen, Ying Mao, Juncheng Cao, Fiorenzo G. Omenetto, Mengkun Liu, Hua Li, Tiger H. Tao, Advanced Science, 1700982 (2018). Link [pdf]

47. Scattering of electromagnetic waves from a cone with conformal mapping: Application to scanning near-field optical microscope  
S. T. (Tat) Chui, Xinzhong Chen, Mengkun Liu, Zhifang Lin, Jian Zi, Phys. Rev. B (Rapid Communication), 97, 081406 (R) (2018). Link [pdf]
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​46. 3D local manipulation of the metal-insulator transition behavior in VO2 thin film by defect-induced lattice engineering
Qi Jia, Jörg Grenzer, Huabing He, Wolfgang Anwand,Yanda Ji, Ye Yuan, Kai Huang, Tiangui You, Wenjie Yu, Wei Ren, Xinzhong Chen, Mengkun Liu, Stefan Facsko, Xi Wang and Xin Ou, Advanced Materials Interfaces,  1701268 (2018). Link  [pdf]

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2017

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45. Near-Field Spectroscopic Investigation of Dual-Band Heavy Fermion Metamaterials 
Stephanie N. Gilbert Corder, Xinzhong Chen, Shaoqing Zhang, Fengrui Hu, Jiawei Zhang, Yilong Luan, Jack A. Logan, Thomas Ciavatti, Hans A. Bechtel, Michael C. Martin, Meigan Aronson, Hiroyuki S. Suzuki, Shin-ichi Kimura, Takuya Iizuka, Zhe Fei, Keiichiro Imura, Noriaki K. Sato, Tiger H. Tao, and Mengkun Liu*,  Nature Communications 8, 2262 (2017). Link [pdf]

44. Rigorous numerical modeling of scattering-type scanning near-field optical microscopy and spectroscopy​
Xinzhong Chen, Chiu Fan Bowen Lo, William Zheng, Hai Hu, Qing Dai*, Mengkun Liu*, Applied Physics Letters. 111, 223110 (2017). Link [pdf]

43. Nanoscale Electrodynamics of Strongly Correlated Quantum Materials
M. K. Liu*, A. J. Sternbach, D. N. Basov*, Reports on Progress in Physics  80, 014501 (2017) Link [pdf]

42. Controlling phase separation in vanadium dioxide thin films via substrate engineering
Stephanie N. Gilbert Corder, Jianjuan Jiang, Xinzhong Chen, Salinporn Kittiwatanakul, I-Cheng Tung, Yi Zhu, Jiawei Zhang, Hans A. Bechtel, Michael C. Martin, G. Lawrence Carr, Jiwei Lu, Stuart A. Wolf, Haidan Wen*, Tiger Hu Tao*, Mengkun Liu*, Phys. Rev. B (Rapid Communication), 96, 161110(R) (2017). Link [pdf]

41. Probing optical anisotropy of nanometer-thin van der Waals microcrystals by near-field imaging
Debo Hu, Xiaoxia Yang, Chi Li, Ruina Liu, Ziheng Yao, Hai Hu, Stephanie N. Gilbert Corder, Jianing Chen, Zhipei Sun, Mengkun Liu*, Qing Dai*, Nature Communications 8, 1471 (2017). Link [pdf]

40. Ultrafast Electron-Lattice Coupling Dynamics in VO2 and V2O3 Thin Films
Elsa Abreu, Stephanie N. Gilbert Corder (co-first author), Sun Jin Yun, Siming Wang, Juan Gabriel Ramirez, Kevin West, Jingdi Zhang, Salinporn Kittiwatanakul, Ivan K. Schuller, Jiwei Lu, Stuart A. Wolf, Hyun-Tak Kim, Mengkun Liu*, and Richard D. Averitt*, Phys. Rev. B 96, 094309 (2017). Link [pdf]

39. Artifact free time resolved near-field spectroscopy
A. J. Sternbach, J. Hinton, T. Slusar, A. S. Mcleod, M. K. Liu, A. Frenzel, M. Wagner, R. Iraheta, F. Keilmann, A. Leitenstorfer, M. Fogler, H.-T. Kim, R. D. Averitt, and D. N. Basov, Optics Express 25, 28589 (2017) . Link [pdf]

38. Nanotextured phase coexistence in the correlated insulator V2O3
A. S. McLeod, E. van Heumen, J. G. Ramirez, S. Wang, T. Saerbeck, S. Guenon, M. Goldflam, L. Anderegg, P. Kelly, A. Mueller, M. K. Liu, Ivan K. Schuller, D. N. Basov,  Nature Physics, 13, 80–86 (2017) Link

37. The Use of Functionalized Silk Fibroin Films as a Platform for Optical Diffraction-Based Sensing Applications
Z. Zhou, Z. Shi, X. Cai, S. Zhang, S. G. Corder, X. Li, Y. Zhang, G. Zhang, L. Chen, M. K. Liu, D. Kaplan, F. Omenetto, Y. Mao, Z. Tao, T. H. Tao, Advanced Materials, 1605471 (2017) DOI: 10.1002/adma.201605471 Link

36. Efficiency of launching highly confined polaritons by infrared light incident on a hyperbolic material
S. Dai, Q. Ma, Y. Yang, J. Rosenfeld, M. D. Goldflam, A. McLeod, Z. Sun, T. I Andersen, Z. Fei, M. K. Liu, Y, Shao, K. Watanabe, T. Taniguchi, M. Thiemens, F. Keilmann, P. Jarillo-Herrero, M. M. Fogler, D. N. Basov. Nano Letters  ​17, 9, 5285-5290 (2017) Link

35. Precise Protein Photolithography (P3): High Performance Biopatterning Using Silk Fibroin Light Chain as the Resist 
Wanpeng Liu, Zhitao Zhou, Shaoqing Zhang, Zhifeng Shi, Justin Tabarini, Woonsoo Lee, Yeshun Zhang, S. N. Gilbert Corder, Xinxin Li, Fei Dong, Liang Cheng, Mengkun Liu, David L. Kaplan, Fiorenzo G. Omenetto, Guozheng Zhang, Ying Mao, Tiger H. Tao, Advanced Science 1700191 (2017) Link

​

2016

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34. Nanoscale Probing of Electron-regulated Structural Transitions in Silk Proteins by Near-field IR Imaging and Nano-spectroscopy
Nan Qin, Shaoqing Zhang, Jianjuan Jiang, Stephanie Gilbert Corder, Zhi-Gang Qian, Zhitao Zhou, Woonsoo Lee, Keyin Liu, Xiaohan Wang, Xinxin Li, Zhifeng Shi, Ying Mao, Hans Bechtel, Michael Martin, Xiaoxia Xia, Benedetto Marelli, David Kaplan, Fiorenzo Omenetto*, Mengkun Liu*, Tiger Tao*, Nature Communications, 7, 13079 (2016) Link  [pdf]

33. Cooperative photoinduced metastable phase control in strained manganite films 
J. Zhang, X. Tan, M. K. Liu, S. W. Teitelbaum, K.W. Post, Feng Jin, K. A. Nelson, D. N. Basov, W. Wu, R.D. Averitt, Nature materials, 15, 956–960 (2016)  Link

32. An ultrafast plasmonic tuning knob 
Martin Wagner*, Mengkun Liu*, Nature Photonics (News and Views) 10, 210–211 (2016) Link [pdf]

31. Ultrafast optical switching of infrared plasmon polaritons in high-mobility graphene
G. X. Ni, L. Wang, M. D. Goldflam, M. Wagner, Z. Fei, A. S. McLeod, M. K. Liu, F. Keilmann, B. Özyilmaz, A. H. Castro-Neto, J. Hone, M. M. Fogler, D. N. Basov, Nature photonics, 10, 244–247(2016) (2016) Link

30. Active Optical Metasurfaces Based on Defect-Engineered Phase-Transition Materials
J. Rensberg, S. Zhang, Y. Zhou, A. S. McLeod, C. Schwarz, M. Goldflam, M. K. Liu, J. Kerbusch, R. Nawrodt, S. Ramanathan, D. N Basov, F. Capasso, C. Ronning, M. Kats, Nano Lett. 16, 1050 (2016) Link

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2015

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29. Edge and surface plasmons in graphene nanoribbons
Z. Fei, M. D. Goldflam, J.-S. Wu, S. Dai, M. Wagner, A. S. McLeod, M. K. Liu, K. W. Post, S. Zhu, G.C.A.M. Janssen, M. M. Fogler, D. N. Basov, Nano Lett. 15 (12), 8271 (2015)  Link

28. Sum-rule constraints on the surface state conductance of topological insulators
K. W. Post, B. C. Chapler, M. K. Liu, J. S. Wu, H. T. Stinson, M. D. Goldflam, A. R. Richardella, J. S. Lee, A. A. Reijnders, K. S. Burch, M. M. Fogler, N. Samarth, and D. N. Basov, Phys. Rev. Lett. 115, 116804  (2015) Link  [pdf]

27. Dynamic conductivity scaling in photoexcited V2O3 thin films
Elsa Abreu, Siming Wang, Gabriel Ramirez, Mengkun Liu, Jingdi Zhang, Kun Geng, Ivan K. Schuller, and Richard D. Averitt, Phys. Rev. B 92, 085130 (2015) Link

26. Tunneling Plasmonics in Bilayer Graphene
Z. Fei, E. G. Iwinski, G. X. Ni, L. M. Zhang, W. Bao, A. S. Rodin, Y. Lee, M. Wagner, M. K. Liu, S. Dai, M. D. Goldflam, M. Thiemens, F. Keilmann, C. N. Lau, A. H. Castro-Neto, M. M. Fogler, and D. N. Basov, Nano Letters 15, 4973 (2015) Link

25. Phase transition in bulk single crystals and thin films of VO2 by nano-infrared spectroscopy and imaging
Mengkun Liu*, Aaron J. Sternbach, Martin­ Wagner, Tetiana V. Slusar, Tai Kong, Sergey L. Bud’ko, Salinporn Kittiwatanakul, M. M. Qazilbash, Alexander McLeod, Zhe Fei, Elsa Abreu, Jingdi Zhang, Michael Goldflam, Siyuan Dai, Guang-Xin Ni, Jiwei Lu, Hans A. Bechtel, Michael C. Martin, Markus B. Raschke, Richard D. Averitt,  Stuart A. Wolf, Hyun-Tak Kim, Paul C. Canfield, D. N. Basov, Phys. Rev. B. 91, 245155 (2015) (Editors' suggestion!) Link [pdf]

24. Graphene on hexagonal boron nitride as a tunable hyperbolic metamaterial
Siyuan Dai, Qiong Ma, Mengkun Liu, Trond Andersen, Zhe Fei, Michael Goldflam, Martin Wagner, Kenji Watanabe, Takashi Taniguchi, Mark Thiemens, Fritz Keilmann, G. C. A. M. Janssen, Shou-En Zhu, Pablo Jarillo-Herrero, Michael Fogler, and Dimitri Basov, Nature Nanotechnology 10, 682–686 (2015). Link

23. Subdiffractional focusing and guiding of polaritonic rays in a natural hyperbolic material
Siyuan Dai, Qiong Ma, Trond Andersen, Alexander McLeod, Zhe Fei, Mengkun Liu, Martin Wagner, Kenji Watanabe, Takashi Taniguchi, Mark Thiemens, Fritz Keilmann, Pablo Jarillo-Herrero, Michael Fogler, and Dimitri Basov, Nature Communication 6:6963 (2015). Link

22. Patent: Detection of electromagnetic radiation using nonlinear materials
HY Hwang, M. K. Liu, RD Averitt, KA Nelson, A Sternbach, K Fan US Patent App. 13/933,557 Link

​

2014

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21. Voltage switching of a VO2 memory metasurface using ionic gel
M.D. Goldflam*, M. K. Liu*, B. C. Chapler, H. T. Stinson, A. J. Sternbach, A.S. McLeod,  J. D. Zhang, K. Geng, M. Royal, Bong-Jun Kim, R. D. Averitt, N. M. Jokerst, D. R. Smith, H-T. Kim, D. N. Basov, Appl. Phys. Lett. 105, 041117 (2014) (* contributed equally). Link [pdf]

20. Ultrafast Dynamics of Surface Plasmons in InAs by Time-Resolved Infrared Nanospectroscopy
Martin Wagner, Alexander S. McLeod, Scott J. Maddox, Zhe Fei, Mengkun Liu, Richard D. Averitt, Michael M. Fogler, Seth R. Bank, Fritz Keilmann, and D. N. Basov, Nanolett. 14, 4529 (2014). Link

19. Tunable phonon polaritons in atomically thin van der Waals crystals of boron nitride
S. Dai, Z. Fei, Q. Ma, A. S. Rodin, M. Wagner, A. S. McLeod, M. K. Liu, W. Gannett, W. Regan, K. Watanabe, T. Taniguchi, M. Thiemens, G. Dominguez, A. H. Castro Neto, A. Zettl, F. Keilmann, P. Jarillo-Herrero, M. M. Fogler, D. N. Basov, Science 343, 1125(2014). Link

18. Symmetry breaking and geometric confinement in VO2: Results from a three-dimensional infrared nano-imaging
Mengkun Liu, Martin Wagner, Jingdi Zhang, Alexander McLeod, Salinporn Kittiwatanakul, Zhe Fei, Elsa Abreu, Michael Goldflam, Aaron J Sternbach, Siyuan Dai, Kevin G West, Jiwei Lu, Stuart A Wolf, Richard D Averitt, DN Basov, Applied Physics Letters 104 , pp 121905 (2014). Link [pdf]

17. A Review of Nonlinear Terahertz Spectroscopy with Ultrashort Tabletop Pulses
Harold Y. Hwang, Sharly Fleischer, Nathaniel C. Brandt, Bradford G. Perkins, Matthias C. Hoffmann, Mengkun Liu, Kebin Fan, Aaron Sternbach, Xin Zhang, Richard D. Averitt, Keith A. Nelson, Journal of Modern Optics, DOI:10.1080/09500340.2014.918200 (2014). Link

16. Ultrafast and Nanoscale Plasmonic Phenomena in Exfoliated Graphene Revealed by Infrared Pump–Probe Nanoscopy
Martin Wagner, Zhe Fei, Alexander S. McLeod, Aleksandr S. Rodin, Wenzhong Bao, Eric G. Iwinski, Zeng Zhao, Michael Goldflam, Mengkun Liu, Gerardo Dominguez, Mark Thiemens, Michael M. Fogler, Antonio H. Castro-Neto, Chun Ning Lau, Sergiu Amarie, Fritz Keilmann, and D. N. Basov, Nano Letters 14 (2), pp 894–900 (2014). Link
 

2013

​

15. Anisotropic electronic state via spontaneous phase separation in strained Vanadium Dioxide films
Mengkun Liu, Martin Wagner, Elsa Abreu, Salinporn Kittiwatanakul, Alexander McLeod, Zhe Fei, Michael Goldflam, Siyuan Dai, Michael Fogler, Jiwei Lu, Stuart A. Wolf, Richard D. Averitt, D. N. Basov, Phys. Rev. Lett. 111 (9), 096602 (2013). Link [pdf]

14. Electronic and plasmonic phenomena at grain boundaries in chemical vapor deposited graphene
Z. Fei, A. S. Rodin, W. Gannett, S. Dai, W. Regan, A. S. McLeod, M. Wagner, M. K. Liu, G. Dominguez, M. Thiemens, A. H. Castro-Neto, F. Keilmann, A. Zettl, M. M. Fogler, D. N. Basov, Nature nanotechnology 8, 821–825 (2013). Link

13. Nonlinear terahertz metamaterials via field-enhanced carrier dynamics in GaAs
Kebin Fan, Harold Y Hwang, Mengkun Liu, Andrew C Strikwerda, Aaron Sternbach, Jingdi Zhang, Xiaoguang Zhao, Xin Zhang, Keith A Nelson, Richard D Averitt, Phys. Rev. Lett. 110, 217404 (2013). Link [pdf]

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2012

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12. Terahertz-field-induced insulator-to-metal transition in vanadium dioxide metamaterial
Mengkun Liu*, Harold Y. Hwang*, Hu Tao, Andrew C. Strikwerda, Kebin Fan, George R. Keiser, Aaron J. Sternbach, Kevin G. West, Salinporn Kittiwatanakul, Jiwei Lu, Stuart A. Wolf, Fiorenzo G. Omenetto, Xin Zhang, Keith A. Nelson, Richard D. Averitt, Nature, 487, 345–348 (19 July 2012) (* contributed equally). LINK [pdf]

11. THz spectroscopy of VO2 epitaxial films: controlling the anisotropic properties through strain engineering
Elsa Abreu*, Mengkun Liu*, Jiwei Lu*, Kevin West, Salinporn Kittiwatanakul, Wenjing Yin, Stuart A Wolf and Richard D Averitt, New Journal of Physics,14(8),083026 (2012) (* contributed equally). LINK [pdf]

10. Silk-Based Conformal, Adhesive, Edible Food Sensors 
Hu Tao, Mark A. Brenckle, Miaomiao Yang, Jingdi Zhang, Mengkun Liu, Sean M. Siebert, Richard D. Averitt, Manu S. Mannoor, Michael C. McAlpine, John A. Rogers, David L. Kaplan, Fiorenzo G. Omenetto, Advanced Materials 24 (8), 993(2012). LINK
 

2011

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9. Evidence of a hidden-order pseudogap state in URu2Si2 using ultrafast optical spectroscopy 
M. K. Liu, R. D. Averitt, T. Durakiewicz, P. H. Tobash, E. D. Bauer, S. A. Trugman, A. J. Taylor, and D. A. Yarotski, Phys. Rev. B, Rapid Communications, 84, 161101(R) (2011). LINK [pdf]

8. Photoinduced phase transitions by time-resolved far-infrared spectroscopy in V2O3 
M. K. Liu, B. Pardo, J. Zhang, M. M. Qazilbash, Sun Jin Yun, Y. Fei, Junhwan Shin, Hyun- Tak Kim, D. N. Basov, and R. D. Averitt,  Phys. Rev. Lett. 107, 066403 (2011). LINK [pdf]

7. Metamaterials on Paper as a Sensing Platform
Tao, H., Chieffo, L., Brenckle, M. A., Siebert, S. M., Liu, M. K., Strikwerda, A. C., Fan, K., Kaplan, D. L., Zhang, X., Averitt, R. D. and Omenetto, F. G.,  Advanced Materials 23, 3197 (2011). LINK

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2010

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6. Biaxial Strain in Graphene Adhered to Shallow Depressions
C. Metzger, S. Remi, M. K. Liu, S. Kusminskiy, A. Castro Neto, A.Swan and B. Goldberg ,  Nano Lett. 10 (1), pp 6–10, (2010). LINK

5. Rapid Transfer-Based Micropatterning and Dry Etching of Silk Microstructures
Konstantinos Tsioris, Hu Tao, Mengkun Liu, Jeffrey A. Hopwood, David L. Kaplan, Richard D. Averitt, Fiorenzo G. Omenetto,  Advanced Materials 23: 2015–2019, (2010). LINK

4. Performance enhancement of terahertz metamaterials on ultrathin substrates for sensing applications
Hu Tao, Andrew C. Strikwerda, Mengkun Liu, Jessica P. Mondia, Evren Ekmekci, Kebin Fan, David L. Kaplan, Willie J. Padilla, Xin Zhang, Richard D. Averitt, and Fiorenzo G. Omenetto,  Appl. Phys. Lett. 97, 261909 (2010). LINK

​

 2005-2007

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3. Origin of the reduced attracting force between a rotating dielectric particle and a stationary one
Tian, W. J.; Liu, M. K.; Huang, J. P.; Phys. Rev. E 75, 021401 (2007). LINK

2. Radiation torque on a spherical birefringent particle in the long wave length limit: analytical calculation
Nian Ji, Mengkun Liu, Jihao Zhou, Zhifang Lin, and S. T. Chui, Opt. Express 13, 5192 (2005). LINK [pdf]

1. Radiation torque on a birefringent sphere caused by an electromagnetic wave 
Mengkun Liu, Nian Ji, Zhifang Lin, and S. T. Chui, Phys. Rev. E 72, 056610 (2005). LINK [pdf]