6 papers
Imaging GHz surface acoustic wave modes in electrostricted LaAlO/SrTiO heterostructures
Ranjani Ramachandran, Sayanwita Biswas, Prithwijit Mandal +6
The LaAlO/SrTiO (LAO/STO) interface hosts a gate-tunable superconducting two-dimensional electron gas (2DEG) which can be programmed to create quantum devices such as balli…
Constructing a Quantum Twisting Microscope: Design Insights and Experimental Considerations
Sayanwita Biswas, Ranjani Ramachandran, Patrick Irvin +1
We report the details of construction and testing of a Quantum Twisting Microscope, a recently developed scanning probe instrument that enables twist angle dependent electronic mea…
Enhanced Superconductivity at Quantum-Critical KTaO3 Interfaces
Jieun Kim, Muqing Yu, Ahmed Omran +6
Superconductivity at oxide interfaces has intrigued researchers for decades, yet the underlying pairing mechanism remains elusive. Here we demonstrate that proximity to a ferroelec…
Magnetically Tuned Metal-Insulator Transition in LaAlO/SrTiO Nanowire Arrays
Ranjani Ramachandran, Shashank Anand, Kitae Eom +9
A wide family of two dimensional (2D) systems, including stripe-phase superconductors, sliding Luttinger liquids, and anisotropic 2D materials, can be modeled by an array of couple…
Electric and Magnetic Field-dependent Tunneling between Coupled Nanowires
Shashank Anand, Ranjani Ramachandran, Kitae Eom +9
Coupled quasi-one-dimensional (quasi-1D) electron systems host rich emergent physics that cannot be accounted for by understanding isolated 1D electron systems alone. Open question…
Sketched Nanoscale KTaO3-Based Superconducting Quantum Interference Device
Muqing Yu, Nicholas Hougland, Qianheng Du +8
The discovery of two-dimensional superconductivity in LaAlO3/KTaO3 (111) and (110) interfaces has raised significant interest in this system. In this manuscript we report the first…