141 citations · 472 across the 20 of their papers we have counts for
20 papers
Engineered Chirality of One-Dimensional Nanowires
Megan Briggeman, Elliott Mansfield, Johannes Kombe +11
The origin and function of chirality in DNA, proteins, and other building blocks of life represent a central question in biology. Observations of spin polarization and magnetizatio…
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…
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…
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…
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…
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…
Anomalous Transport in Sketched Nanostructures at the LaAlO3/SrTiO3 Interface
Guanglei Cheng, Joshua P. Veazey, Patrick Irvin +10
The oxide heterostructure LaAlO3/SrTiO3 supports a two-dimensional electron liquid with a variety of competing phases including magnetism, superconductivity and weak antilocalizati…
Electro-Mechanical Response of Top-Gated LaAlO3/SrTiO3 Heterostructures
Feng Bi, Mengchen Huang, Chung Wung Bark +5
LaAlO3/SrTiO3 heterostructures are known to exhibit a sharp, hysteretic metal-insulator transition (MIT) with large enhanced capacitance near depletion. To understand the physical…
Superconducting LaAlO3/SrTiO3 Nanowires
Joshua P. Veazey, Guanglei Cheng, Patrick Irvin +9
We report superconductivity in quasi-1D nanostructures created at the LaAlO3/SrTiO3 interface. Nanostructures having line widths w~10 nm are formed from the parent two-dimensional…
Nonlocal Piezoresponse of LaAlO3/SrTiO3 Heterostructures
Mengchen Huang, Feng Bi, Chung-Wung Bark +4
The hysteretic piezoelectric response in LaAlO3/SrTiO3 heterostructures can provide important insights into the mechanism for interfacial conductance and its metastability under va…