The Mesoscopic Physics Laboratory (MPL) in Southern University of Science and Technology (SUSTech), led by Dr. Liyuan Zhang, and our group’s research interest lies in experimental exploring and understanding the classical and quantum physical laws governing electrons, spins and photons in various low dimensional materials and the artificial systems, with the aim to uncover novel quantum phenomena and new states of matter and to excavate new applications in future electronic devices.
Currently we mainly focus on electronic transport in Topological (Semimetal, Insulator, Superconductor etc.), and Photo-detector with layered 2-D materials (like as graphene, transition metal chalcogenide, Topological Insulator, ferromagnets etc.). Some of our work utilized a wide range method to make innovative devices (i.e. with artificially Van der Waals stacking hetero-structure junction) with micro- and nanoscale manufacturing technologies; our goal is to discover the mesoscopic system and quantum physical phenomena lying in those novel artificial devices.
Current Research projects
- Quantum Transport Phenomena and Phase Transitions in Semimetal (ZrTe5, HfTe5, and Bi4I4 etc.)
- Quantum transport Via unconventional superconductors and Topological Insulators
Topological quantum information relies on manipulation of anyons, particles which obey non-Abelian statistics. Majorana zero mode have been proposed to exit as excitation in topological superconductor, or in hybrid Topological Insulator (TI) and superconductor (SC) structure. In first step, we are going to investigate the “interaction” between topological insulator and superconducting contacts. Furthermore, we seek to further detect the formation, detanglement and manipulation of Majorana zero mode as excitation in the heterojunction of TI and SC. The ultimate goal is to make significant and measurable advances towards Topological quantum compuction Qubit, which have the potential to vastly increase operational capabilities of multiple applications.
- Novel 2D materials and van der Waals heterostructures and Photodetectors
We focus on developing new high-performance Short-wave infrared (SWIR) photodetectors based on emerging 2D material heterojunctions, providing a scheme to design new optoelectronics that can surpass the fundamental limitations on their conventional semiconductor counterparts.
- Nano-fabrication and Scaling growth for nano-eletronic devices of 2D materials