EDUCATION
Ph.D. in Condensed Matter Physics | September 2010 – July 2015
Institute of Physics (IOP), Chinese Academy of Sciences (CAS), China
Research Advisors: Prof. Xu-Cun Ma & Prof. Jiandong Guo
Dissertation: Superconductivity in molecular beam epitaxy grown Gallium films
B.S. in Materials Physics | September 2006 – July 2010
Department of Material Science and Engineering, Shandong University, China
RESEARCH INTERESTS
• Epitaxial growth of quantum materials by molecular beam epitaxy (MBE) including iron-based superconductors (e.g., FeSeTe), transition metal dichalcogenides (e.g., NbSe2, WSe2, WTe2) and Kagome magnets (e.g., FeSn, FeSb)
• Emerging quantum phenomena in quantum material heterostructures including interfacial superconductivity, topological order, and magnetism
• Quantum phase transitions including magnetic field induced superconductivity to metal transition, Mott insulator to metal transition, and antiferromagnetism/nematicity to superconductivity transitions in iron-based superconductors
RESEARCH EXPERIENCES
Postdoctoral Researcher | October 2017 – present
Prof. Lian Li’s group | Department of Physics and Astronomy, West Virginia University, US
• Superconductivity in FeSe
1. Determination of pairing symmetry in one unit cell (UC) FeSe/SrTiO3(001) by phase-referenced quasi-particle interference
2. Observation of stripe order, nematicity, and bicollinear antiferromagnetic to nematic order phase transition in multilayer FeSexTe1-x/SrTiO3(001)
• Quantum phases of matter
1. Demonstration of Coulomb engineering Mott insulator in lateral and vertical heterostructures of 1T-NbSe2 and 1H-NbSe2 polymorphs
2. Synthesis of Kagome magnets FeSb and FeSn
Postdoctoral Researcher | October 2015 – September 2017
Prof. Xinhe Bao’s group | Dalian Institute of Chemical Physics (DICP), CAS, China
• Superconductivity in FeSe
1. Determination the mechanism for charge transfer in 1UC FeSe/SrTiO3(001) by using X-ray Photoemission Spectroscopy/Ultraviolet Photoemission Spectroscopy by providing direct experimental evidences for band bending and enhanced Ti-O bonding at the interface
2. Synthesis of SnSe/SnTe heterostructures and studies of their thermoelectric properties
Graduate Researcher | July 2014 – September 2015
Prof. Qi-Kun Xue’s group | Tsinghua University, China
• Topological order in epitaxial FeSe thin films
Epitaxial growth of 1UC FeSe/SrTiO3(001) and observation of edge states near ferromagnetic and anti-ferromagnetic edges, demonstrating topological order in the high Tc superconductor 1UC FeSe/SrTiO3(001)
Graduate Researcher | September 2011 – July 2014
Prof. Qi-Kun Xue’s group | Institute of Physics (IOP), CAS, China
• Superconductivity in Gallium thin films
1. Epitaxial growth of high quality Gallium films on GaN(0001) substrates and observation of
Huimin Zhang Curriculum Vitae
enhanced superconductivity in 2ML Ga/GaN by in-situ STM/S and ex-situ transport measurements
2. The first experimental observation of Griffiths singularity near a quantum phase transition in 3ML Ga/GaN
3. Synthesis of metastable γ-Ga phase on Si (111) substrates and observation of elongated magnetic vortices in γ-Ga nanostripes