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College of Science

Cryogenic Electronic-Optical Semiconductor Lab

Principal Investigator : Prof. Chi-Te Lian

Team Size : 15

Study Field : Enhanced superconductivity in Al nanofilms, Quantum transport in graphene, Physical properties of two-dimensional materials.

Forms of Int'l Cooperation : Joint Research Project, Personnel Exchange, Student Exchange

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Lab Introduction

Our research is primarily situated at the intersection of experimental condensed matter physics and nanotechnology, with a core focus on understanding electronic transport in low-dimensional semiconductor systems.

Our work can be categorized into several key pillars:

【Mesoscopic and Low-Dimensional Physics】
Professor Liang explores the physical properties of systems where the dimensions are reduced to the nanoscale (0D, 1D, and 2D). A significant portion of his research focuses on the Quantum Hall Effect (QHE) and the direct insulator-to-quantum Hall transitions. By studying these transitions in materials like graphene and GaAs/AlGaAs heterostructures, his team investigates universal scaling behaviors and the fundamental nature of quantum phase transitions.

【Enhanced Superconductivity】
Our research also delves into the macroscopic quantum phenomenon of superconductivity. We utilizes Molecular Beam Epitaxy (MBE) to grow high-perfection aluminum thin films, studying how grain architecture and dimensionality affect the superconducting critical temperature.

International Cooperation Experience

  • Quantum Conductance project, National Institute of Standards and Technology | United States of America
    Joint Research Project Student Exchange

    2012 ~ present

Contact

Ji-Song Hsu

Position : Ph.D. student

Email : abcd511420@gmail.com

Phone : 02-3366-5101

Principal Investigator

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Prof. Chi-Te Lian

Position : Deputy Director

Email : ctliang@phys.ntu.edu.tw

Education / Background :

  • Ph.D., Cavendish Laboratory, Cambridge University, United Kingdom
  • B.S., Physics, National Taiwan University, Taiwan
     

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