Now showing items 1-18 of 18

    • Bilayer Wigner crystals in a transition metal dichalcogenide heterostructure 

      Zhou, You; Sung, Jiho; Brutschea, Elise; Esterlis, Ilya; Wang, Yao; Scuri, Giovanni; Gelly, Ryan J.; Heo, Hoseok; Taniguchi, Takashi; Watanabe, Kenji; Zaránd, Gergely; Lukin, Mikhail D.; Kim, Philip; Demler, Eugene; Park, Hongkun (Springer Science and Business Media LLC, 2021-06-30)
    • Channel Length Scaling in Microwave Graphene Field Effect Transistors 

      Connors, Jake A. (2018-05-12)
      In order to operate at microwave frequencies and higher, the channel length of a field effect transistor must be made very short ($\sim25$nm at 1THz) to minimize input capacitance and the drift time of carriers through the ...
    • Detecting Single Photons with Graphene-Based Josephson Junctions 

      Walsh, Evan Daniel (2020-11-23)
      In this work I present theory, modeling, and experimentation demonstrating that the graphene-based Josephson junction (GJJ) is a capable system for the detection of single photons across the electromagnetic spectrum, from ...
    • Electrical and thermoelectric transport in mixed-dimensional graphitic mesoscopic systems 

      Anderson, Laurel E (2022-09-12)
      Confining electrons to fewer than three spatial dimensions increases the relative strength of potential to kinetic energy, which can generate a wide variety of novel emergent quantum phenomena. I will discuss three experiments ...
    • Electrical Properties of Novel and Engineered Two-Dimensional Materials 

      Rezaee, Mehdi (2023-03-14)
      Layered materials are a class of matter in which atomic layers are bonded to one another via van der Waals (vdW) forces. Due to these weak, out-of-plane interactions, we can exfoliate layered materials even down to monolayer ...
    • Electrically switchable anisotropic polariton propagation in a ferroelectric van der Waals semiconductor 

      Luo, Yue; Mao, Nannan; Ding, Dapeng; Chiu, Ming-Hui; Ji, Xiang; Watanabe, Kenji; Taniguchi, Takashi; Tung, Vincent; Park, Hongkun; Kim, Philip; Kong, Jing; Wilson, William L. (Springer Science and Business Media LLC, 2023-01-23)
      Tailoring of the propagation dynamics of exciton-polaritons in two-dimensional quantum materials has shown extraordinary promise to enable nanoscale control of electromagnetic fields. Varying permittivities along crystal ...
    • Electronic Density of States of Atomically Resolved Single-Walled Carbon Nanotubes: Van Hove Singularities and End States 

      Kim, Philip; Odom, Teri W.; Huang, Jin-Lin; Lieber, Charles M. (American Physical Society, 1999)
      The electronic densities of states of atomically resolved single-walled carbon nanotubes have been investigated using scanning tunneling microscopy. Peaks in the density of states due to the one-dimensional nanotube band ...
    • Electronic Thermal Conductance of Graphene via Electrical Noise 

      Crossno, Jesse Dylan (2017-05-11)
      This dissertation presents the methods and experimental results of studies on electronic thermal transport in mesoscopic conductors by means of radio frequency Johnson noise thermometry. In particular, we present the ...
    • Electronic thermal transport measurement in low-dimensional materials with graphene non-local noise thermometry 

      Waissman, Jonah; Anderson, Laurel E.; Talanov, Artem V.; Yan, Zhongying; Shin, Young J.; Najafabadi, Danial H.; Rezaee, Mehdi; Feng, Xiaowen; Nocera, Daniel G.; Taniguchi, Takashi; Watanabe, Kenji; Skinner, Brian; Matveev, Konstantin A.; Kim, Philip (Springer Science and Business Media LLC, 2021-11-15)
    • Excitons in a reconstructed moiré potential in twisted WSe2/WSe2 homobilayers 

      Andersen, Trond; Scuri, Giovanni; Sushko, Andrey; De Greve, Kristiaan; Sung, Jiho; Zhou, You; Wild, Dominik S.; Gelly, Ryan J.; Heo, Hoseok; Berube, Damien; Joe, Andrew Y.; Jauregui, Luis A.; Watanabe, Kenji; Taniguchi, Takashi; Kim, Philip; Park, Hongkun; Lukin, Mikhail D. (Springer Science and Business Media LLC, 2021-01-04)
      Moiré superlattices in twisted van der Waals (vdW) materials have recently emerged as a promising platform for engineering electronic and optical properties. A major obstacle to fully understanding these systems and ...
    • Hydrodynamics and Viscous Flow in Graphene Measured with Johnson Noise Thermometry 

      Talanov, Artem (2024-03-12)
      In this dissertation, we investigate thermal transport phenomena in 2-dimensional monolayer and bilayer graphene, both of which are candidates for strongly interacting, correlated electronic systems. The interactions between ...
    • Imaging viscous flow of the Dirac fluid in graphene 

      Ku, Mark Jen-Hao; Zhou, Tony X.; Li, Qing; Shin, Young J.; Shi, Jing K.; Burch, Claire; Anderson, Laurel E.; Pierce, Andrew T.; Xie, Yonglong; Hamo, Assaf; Vool, Uri; Zhang, Huiliang; Casola, Francesco; Taniguchi, Takashi; Watanabe, Kenji; Fogler, Michael M.; Kim, Philip; Yacoby, Amir; Walsworth, Ronald L. (Springer Science and Business Media LLC, 2020-07-22)
      The electron-hole plasma in charge-neutral graphene is predicted to realize a quantum critical system whose transport features a universal hydrodynamic description, even at room temperature. This quantum critical “Dirac ...
    • Interlayer Excitons in Atomically Thin van der Waals Semiconductor Heterostructures 

      Joe, Andrew Yunho (2021-05-13)
      Semiconducting transition metal dichalcogenides (TMDs), when reduced to the two-dimensional (2D) limit, exhibit extraordinary excitonic effects that serve as a versatile platform for optoelectronic studies. High-quality, ...
    • Order by Disorder in Topological Quantum Materials 

      Drucker, Nathan Che (2024-03-12)
      Topological materials are a promising platform for next-generation devices, ranging from optoelectronics to interconnects. In these materials, the interplay between magnetic, electronic, and lattice degrees of freedom ...
    • Reconfigurable Metasurfaces in the Infrared 

      Zhang, Shuyan (2018-01-19)
      Recently there has been great interest in the applications of infrared (IR) light in many areas, including infrared imaging, trace-gas detection, biological and medical sensing, and environmental monitoring. Over the last ...
    • Structure and Properties of Moiré Interfaces in Two Dimensional Materials 

      Engelke, Rebecca (2022-05-16)
      The ability to rationally design materials with specific properties is a major motivator in materials science and condensed matter physics. Heterostructures of two dimensional (2D) materials, weakly bonded out of plane via ...
    • Structure of flux line lattices with weak disorder at large length scales 

      Kim, Philip; Yao, Zhen; Bolle, Cristian A.; Lieber, Charles M. (American Physical Society, 1999)
      Dislocation-free decoration images containing up to 80 000 vortices have been obtained on high quality Bi2Sr2CaCu2O8+x superconducting single crystals. The observed flux line lattices are in the random manifold regime with ...
    • The Physics of High-Temperature Superconducting Cuprates in van der Waals Heterostructures 

      Zhao, Shu Yang Frank (2021-11-16)
      Advances in crystal handling techniques specialized to van der Waals (vdW) materials - crystals with only weak vdW bonds between strongly bonded crystal planes - have brought about a new generation of devices with emergent ...