141 citations · 439 across the 21 of their papers we have counts for
21 papers
Surface acoustic wave generation and detection in quantum paraelectric regime of SrTiO-based heterostructure
Dengyu Yang, Muqing Yu, Yun-Yi Pai +5
Strontium titanate (STO), apart from being a ubiquitous substrate for complex-oxide heterostructures, possesses a multitude of strongly-coupled electronic and mechanical properties…
Electron Pairing and Nematicity in LaAlO/SrTiO Nanostructures
Aditi Nethwewala, Hyungwoo Lee, Jianan Li +6
Strongly correlated electronic systems exhibit a wealth of unconventional behavior stemming from strong electron-electron interactions. The LaAlO/SrTiO (LAO/STO) heterostru…
Engineered spin-orbit interactions in LaAlO/SrTiO-based 1D serpentine electron waveguides
Megan Briggeman, Jianan Li, Mengchen Huang +6
The quest to understand, design, and synthesize new forms of quantum matter guides much of contemporary research in condensed matter physics. One-dimensional (1D) electronic system…
One-dimensional Kronig-Penney superlattices at the LaAlO/SrTiO interface
Megan Briggeman, Hyungwoo Lee, Jung-Woo Lee +9
The paradigm of electrons interacting with a periodic lattice potential is central to solid-state physics. Semiconductor heterostructures and ultracold neutral atomic lattices capt…
Frictional drag between superconducting LaAlO/SrTiO nanowires
Yuhe Tang, Jung-Woo Lee, Anthony Tylan-Tyler +6
We report frictional drag measurements between two superconducting LaAlO/SrTiO nanowires. In these experiments, current passing through one nanowire induces a voltage acros…
Gate-Tunable Optical Nonlinearities and Extinction in Graphene/LaAlO/SrTiO Nanostructures
Erin Sheridan, Lu Chen, Jianan Li +7
Pristine, undoped graphene has a constant absorption of 2.3 % across the visible to near-infrared (VIS-NIR) region of the electromagnetic spectrum. Under certain conditions, such a…
Strong Aharonov-Bohm quantum interference in simply-connected LaAlO/SrTiO structures
Patrick Irvin, Hyungwoo Lee, Jung-Woo Lee +9
We report Aharonov-Bohm (AB)-type quantum interference in simply-connected devices created at the LaAlO/SrTiO interface using conductive-atomic force microscope (c-AFM) lit…
Pascal conductance series in ballistic one-dimensional LaAlO/SrTiO channels
Megan Briggeman, Michelle Tomczyk, Binbin Tian +10
The ability to create and investigate composite fermionic phases opens new avenues for the investigation of strongly correlated quantum matter. We report the experimental observati…
Reconfigurable edge-state engineering in graphene using LaAlO/SrTiO nanostructures
Jianan Li, Qing Guo, Lu Chen +9
The properties of graphene depend sensitively on doping with respect to the charge-neutrality point (CNP). Tuning the CNP usually requires electrical gating or chemical doping. Her…
Shubnikov-de Haas-like Quantum Oscillations in Artificial One-Dimensional LaAlO3/SrTiO3 Electron Channels
Guanglei Cheng, Anil Annadi, Shicheng Lu +6
The widely reported magnetoresistance oscillations in LaAlO3/SrTiO3 heterostructures have invariably been attributed to the Shubnikov-de Haas (SdH) effect, despite a pronounced inc…
Direct Imaging of Sketched Conductive Nanostructures at the LaAlO3/SrTiO3 Interface
Zhanzhi Jiang, Xiaoyu Wu, Hyungwoo Lee +6
Nanoscale control of the quasi-two-dimensional electron gas at the LaAlO3/SrTiO3 (LAO/STO) interface by a conductive probe tip has triggered the development of a number of electron…
One-Dimensional Nature of Pairing and Superconductivity at the LaAlO/SrTiO Interface
Yun-Yi Pai, Hyungwoo Lee, Jung-Woo Lee +8
We examine superconductivity in LaAlO/SrTiO channels in which the channel width transitions from the 1D to 2D regime. The superconducting critical current is independent of…
Long-range non-Coulombic electron-electron interactions between coupled LaAlO/SrTiO nanowires
Yuhe Tang, Anthony Tylan-Tyler, Hyungwoo Lee +5
The LaAlO/SrTiO system exhibits unusual magnetic and superconducting behavior arising from electron-electron interactions whose physical origin is not well understood. Quan…
Graphene-Complex-oxide Nanoscale Device Concepts
Giriraj Jnawali, Hyungwoo Lee, Jung-Woo Lee +9
The integration of graphene with complex-oxide heterostructures such as LaAlO/SrTiO offers the opportunity to combine the multifunctional properties of an oxide interface w…
Quantized Ballistic Transport of Electrons and Electron Pairs in LaAlO/SrTiO Nanowires
Anil Annadi, Guanglei Cheng, Shicheng Lu +10
SrTiO-based heterointerfaces support quasi-two-dimensional (2D) electron systems that are analogous to III-V semiconductor heterostructures, but also possess superconducting, m…
Method for Transferring High-Mobility CVD-Grown Graphene with Perfluoropolymers
Jianan Li, Jen-Feng Hsu, Hyungwoo Lee +10
The transfer of graphene grown by chemical vapor deposition (CVD) using amorphous polymers represents a widely implemented method for graphene-based electronic device fabrication.…
Tunable electron-electron interactions in LaAlO3/SrTiO3 nanostructures
Guanglei Cheng, Michelle Tomczyk, Alexandre B. Tacla +10
The interface between the two complex oxides LaAlO3 and SrTiO3 has remarkable properties that can be locally reconfigured between conducting and insulating states using a conductiv…
Room-temperature quantum transport signatures in graphene/LaAlO3/SrTiO3 heterostructures
Giriraj Jnawali, Mengchen Huang, Jen-Feng Hsu +6
The pseudospin quantum degree of freedom is one of the most remarkable properties of graphene that distinguishes it from ordinary two-dimensional metals and semiconductors. Pseudos…
Micrometer-scale ballistic transport of electron pairs in LaAlO3/SrTiO3 nanowires
Michelle Tomczyk, Guanglei Cheng, Hyungwoo Lee +8
High-mobility complex-oxide heterostructures and nanostructures offer new opportunities for extending the paradigm of quantum transport beyond the realm of traditional III-V or car…
Evidence of Josephson junction behavior in top-gated LaAlO-SrTiO
Varada V Bal, Manan M Mehta, Sangwoo Ryu +4
We demonstrate top-gate tunable Josephson junction like behavior in the two dimensional electron gas at the LaAlO-SrTiO interface. A combination of global back-gating and l…
Room-Temperature Electronically-Controlled Ferromagnetism at the LaAlO3/SrTiO3 Interface
Feng Bi, Mengchen Huang, Chung-Wung Bark +4
Reports of emergent conductivity, superconductivity, and magnetism at oxide interfaces have helped to fuel intense interest in their rich physics and technological potential. Here…