Publications

Preprint

28. Layer-polarized Transport via Gate-defined 1D and 0D PN Junctions in Double Bilayer Graphene

Wei Ren, Xi Zhang, Shiyu Guo, Jeongsoo Park, Jack Tavakley, Daochen Long, Kenji Watanabe, Takashi Taniguchi, Ke Wang

arXiv:2603.01963 (2026)

27. Ferroelectric Quantum Point Contact in Twisted Transition Metal Dichalcogenides

Wei Ren, Shiyu Guo, Daochen Long, Noah Friedman, Jingyuan Xian, David Li, Jack Tavakley, Jeongsoo Park, Kenji Watanabe, Takashi Taniguchi, Ke Wang

arXiv:2602.10554 (2026)

2025

26. Review: Moiré-of-Moiré Superlattice in Twisted Trilayer Graphene

Wei Ren, Ziyan Zhu, Xi Zhang, Mitchell Luskin, Ke Wang

J. Phys.: Condens. Matter, 37 353001 (2025)

 

25. Stability Diagram of Layer-polarized Quantum Hall States in Twisted Trilayer Graphene

Konstantin Davydov, Daochen Long, Jack Tavakley, Kenji Watanabe, Takashi Taniguchi, Ke Wang

J. Phys. Chem. Lett. 16, 31, 7990–7997 (2025)

 

24. Unconventional domain tessellations in moiré-of-moiré lattices

Daesung Park, Changwon Park, Kunihiro Yananose, Eunjung Ko, Byunghyun Kim, Rebecca Engelke, Xi Zhang, Konstantin Davydov, Matthew Green, Hyun-Mi Kim, Sang Hwa Park, Jae Heon Lee, Seul-Gi Kim, Hyeongkeun Kim, Kenji Watanabe, Takashi Taniguchi, Sang Mo Yang, Ke Wang, Philip Kim, Young-Woo Son, Hyobin Yoo 

Nature 641, 896–903 (2025)

 

23. Tunable Atomically Enhanced Moiré Berry Curvatures in Twisted Triple Bilayer Graphene

Konstantin Davydov, Ziyan Zhu, Noah Friedman, Ethan Gramowski, Yaotian Li, Jack Tavakley, Kenji Watanabe, Takashi Taniguchi, Mitchell Luskin, Efthimios Kaxiras, Ke Wang

Physical Review B 111, L161120 (2025) (Letter & Editors' Suggestion)

2024

22. Electron Collimation in Twisted Bilayer Graphene via Gate-defined Moiré Barriers

Wei Ren, Xi Zhang, Ziyan Zhu, Moosa Khan, Kenji Watanabe, Takashi Taniguchi, Efthimios Kaxiras, Mitchell Luskin, Ke Wang

Nano Letters 24, 40, 12508–12514 (2024)

 

21. Easy-to-configure zero-dimensional valley-chiral modes in a graphene point junction

Konstantin Davydov, Xi Zhang, Wei Ren, Matthew Coles, Logan Kline, Bryan Zucker, Kenji Watanabe, Takashi Taniguchi, Ke Wang

Science Advances 10, eadp6296 (2024)

 

20.Tunable Inter-Moiré Physics in Consecutively-Twisted Trilayer Graphene

Wei Ren, Konstantin Davydov, Ziyan Zhu, Jaden Ma, Kenji Watanabe, Takashi Taniguchi, Efthimios Kaxiras, Mitchell Luskin, Ke Wang

Physical Review B 110, 115404 (2024) (Editors' Suggestion)

 

19. Transport Study of Charge-Carrier Scattering in Monolayer WSe2

Andrew Y. Joe, Kateryna Pistunova, Kristen Kaasbjerg, Ke Wang, Bumho Kim, Daniel A. Rhodes, Takashi Taniguchi, Kenji Watanabe, James Hone, Tony Low, Luis A. Jauregui, Philip Kim

Physical Review Letters 132, 056303 (2024)

2023

18. Selective Manipulation and Tunneling Spectroscopy of Broken-Symmetry Quantum Hall States in a Hybrid-edge Quantum Point Contact

Wei Ren*, Xi Zhang*, Jaden Ma, Xihe Han, Kenji Watanabe, Takashi Taniguchi, Ke Wang

Physical Review B 108, 245423 (2023)

2022

17. Gate-tunable Veselago Interference in a Bipolar Graphene Microcavity

Xi Zhang*, Wei Ren*, Elliot Bell, Ziyan Zhu, Kan-Ting Tsai, Yujie Luo, Kenji Watanabe, Takashi Taniguchi, Efthimios Kaxiras, Mitchell Luskin, Ke Wang

Nature Communications 13, 6711 (2022)

2021

16. Correlated Insulating States and Transport Signature of Superconductivity in Twisted Trilayer Graphene Superlattices

Xi Zhang*, Kan-Ting Tsai*, Ziyan Zhu, Wei Ren, Yujie Luo, Stephen Carr, Mitchell Luskin, Efthimios Kaxiras, Ke Wang

Physical Review Letters 127, 166802 (2021) (Editors' Suggestion)

Press Coverage

 

15. Two-fold symmetric superconductivity in few-layer NbSe2

Alex Hamill, Brett Heischmidt, Egon Sohn, Daniel Shaffer, Kan-Ting Tsai, Xi Zhang, Xiaoxiang Xi, Alexey Suslov, Helmuth Berger, László Forró, Fiona J. Burnell, Jie Shan, Kin Fai Mak, Rafael M. Fernandes, Ke Wang*, Vlad S. Pribiag*

Nature Physics 17, 949–954 (2021)

Press Coverage

2020

14. Image polaritons in boron nitride for extreme polariton confinement with low losses

In-Ho Lee, Mingze He, Xi Zhang, Yujie Luo, Song Liu, James H. Edgar, Ke Wang, Phaedon Avouris, Tony Low, Joshua D. Caldwell, Sang-Hyun Oh

Nature Communications 11, 3649 (2020)

2019

13. Graphene Transistor Based on Tunable Dirac-Fermion-Optics

K. Wang, M. M. Elahi, K. M. M. Habib, T. Taniguchi, K. Watanabe, A. W. Ghosh, G.-H. Lee, P. Kim

Proceedings of the National Academy of Sciences of the United States of America, April 2, 2019 116 (14) 6575-6579

 

12. Tunneling Spectroscopy of Quantum Hall Edge States in Gate-defined Bilayer Graphene PN Networks

K. Wang, A. Harzheim, T. Taniguchi, K. Watanabe, P. Kim

Physical Review Letters 122, 146801, (2019)

 

11. Impact of geometry and non-idealities on electron ‘optics’ based graphene p-n junction devices

M. M. Elahi, K. M. M. Habib, K. Wang, G.-H. Lee, P. Kim, A. W. Ghosh

Applied Physics Letters 114, 013507 (2019)

2018

10. Electrical Control of Charged Carriers and Excitons in Atomically Thin Materials

K. Wang, K. D. Greve, L. A. Jauregui, A. Sushko, A. High, Y. Zhou, G. Scuri, T. Taniguchi, K. Watanabe, M. D. Lukin, H. Park, P. Kim

Nature Nanotechnology 13, 128–132 (2018)

 

9. Imaging electron flow and quantum dot formation in MoS2 nanostructures

S. Bhandari, K. Wang, K. Watanabe, T. Taniguchi, P. Kim, R. M. Westervelt

Nanotechnology 29 42LT03 (2018)

 

8. Guided Modes of Anisotropic van der Waals Materials Investigated by Near-Field Scanning Optical Microscopy

D. Wintz*, K. Chaudhary*, K. Wang, L. Jauregui, A. Ambrosio, A. Y. Zhu, R. C. Devlin, M. Tamagnone, J. D. Crossno, K. Watanabe, T. Taniguchi, P. Kim, F. Capasso

ACS Photonics2018, 5, 4, 1196–1201 (2018)

2016

7. Landau level evolution driven by band hybridization in mirror symmetry broken ABA-stacked trilayer graphene

Y. Shimazaki, T. Yoshizawa, I. V. Borzenets, K. Wang, X. Liu, K. Watanabe, T. Taniguchi, P. Kim, M. Yamamoto, and S. Taruch

arXiv:1611.02395

 

6. Observation of the Dirac fluid and the Breakdown of the Wiedemann-Franz law in Graphen

J. Crossno, J. Shi, K. Wang, X. Liu, A. Harzheim, A. Lucas, S. Sachdev, P. Kim, T. Taniguchi, K. Watanabe, T. Ohki, K. Fong

Science 351, 1058 (2016)

2015

5. Magnetotransport Studies of Mobility Limiting Mechanisms in Undoped Si/SiGe Heterostructures

X. Mi, T. M. Hazard, X. Mi, K. Wang, J. R. Petta

Physical Review B 92, 035304 (2015)

 

4. A Reconfigurable Gate Architecture for Si/SiGe Quantum Dots

D. M. Zajac, T. M. Hazard, X. Mi, K. Wang, J. R. Petta

Applied Physics Letters 106, 223507 (2015)

2013

3. Charge Relaxation in a Single-electron Si/SiGe Double Quantum Dot

K. Wang, C. Payette, Y. Dovzhenko, P. W. Deelman J. R. Petta

Physical Review Letters 111, 046801 (2013)

2012

2. Electrically controlling single spin coherence in semiconductor nanostructures

Y. Dovzhenko, K. Wang, M. D. Schroer, J. R. Petta

Book chapter in "Quantum Dots: optics, electron transport and future applications", edited by A. Tartakovskii, Cambridge University Press (2012)

 

1. Single Charge Sensing and Transport in Double quantum dots fabricated from commercially grown Si/SiGe heterostructures

C. Payette, K. Wang, P. J. Koppinen, Y. Dovzhenko, J. C. Sturm, J. R. Petta

Applied Physics Letters 100, 043508 (2012)