115 citations · 320 across the 11 of their papers we have counts for
12 papers
Quantum Hall effect in InAsSb quantum wells at elevated temperatures
M. E. Bal, E. Cheah, Z. Lei +5
We have characterized the electronic properties of a high-mobility two-dimensional electron system in modulation doped InAsSb quantum wells and compare them to InSb quantum wells g…
Gate-defined Two-dimensional Hole and Electron Systems in an Undoped InSb Quantum Well
Zijin Lei, Erik Cheah, Filip Krizek +7
Quantum transport measurements are performed in gate-defined, high-quality, two-dimensional hole and electron systems in an undoped InSb quantum well. For both polarities, the carr…
High-quality Two-Dimensional Electron Gas in Undoped InSb Quantum Wells
Zijin Lei, Erik Cheah, Km Rubi +7
We report on transport experiments through high-mobility gate-tunable undoped InSb QWs. Due to the elimination of any Si modulation doping, the gate-defined two-dimensional electro…
Gate-defined Quantum Point Contact in an InSb Two-dimensional Electron Gas
Zijin Lei, Christian A. Lehner, Erik Cheah +5
We investigate an electrostatically defined quantum point contact in a high-mobility InSb two-dimensional electron gas. Well-defined conductance plateaus are observed, and the subb…
Electronic g-factor and Magneto-transport in InSb Quantum Wells
Zijin Lei, Christian A. Lehner, Km Rubi +10
High mobility InSb quantum wells with tunable carrier densities are investigated by transport experiments in magnetic fields tilted with respect to the sample normal. We employ the…
A Gate-Defined Quantum Point Contact in an InAs Two-Dimensional Electron Gas
Christopher Mittag, Matija Karalic, Zijin Lei +7
We experimentally study quantized conductance in an electrostatically defined constriction in a high-mobility InAs two-dimensional electron gas. A parallel magnetic field lifts the…
Quantum transport in high-quality shallow InSb quantum wells
Zijin Lei, Christian A. Lehner, Erik Cheah +7
InSb is one of the promising candidates to realize a topological state through proximity induced superconductivity in a material with strong spin-orbit interactions. In two-dimensi…
Edgeless and Purely Gate-Defined Nanostructures in InAs Quantum Wells
Christopher Mittag, Matija Karalic, Zijin Lei +4
Nanostructures in InAs quantum wells have so far remained outside of the scope of traditional microfabrication techniques based on etching. This is due to parasitic parallel conduc…
Interactions and magnetotransport through spin-valley coupled Landau levels in monolayer MoS
Riccardo Pisoni, Andor Kormányos, Matthew Brooks +12
The strong spin-orbit coupling and the broken inversion symmetry in monolayer transition metal dichalcogenides (TMDs) results in spin-valley coupled band structures. Such a band st…
Gate-Tunable Quantum Dot in a High Quality Single Layer MoS Van der Waals Heterostructure
Riccardo Pisoni, Zijin Lei, Patrick Back +7
We have fabricated an encapsulated monolayer MoS device with metallic ohmic contacts through a pre-patterned hBN layer. In the bulk, we observe an electron mobility…
Measurements of the spin-orbit interaction and Landé g factor in a pure-phase InAs nanowire double quantum dot in the Pauli spin-blockade regime
Jiyin Wang, Shaoyun Huang, Zijin Lei +3
We demonstrate direct measurements of the spin-orbit interaction and Landé g factors in a semiconductor nanowire double quantum dot. The device is made from a single-crystal pure-p…
Energy issues for construction of 10 nm sized electrostatic traps in saline
Jingkun Guo, Zijin Lei, Shengyong Xu
In addition to optical tweezers, magnetic tweezers and dielectrophoresis technique, trapping and manipulating micro or nano particles with electrostatic tweezers attracted attentio…