In condensed matter physics the vortex lattice of type-II superconductors provides a prototype for studying the effect of random pinning on elastic systems. One important …
Anodized aluminum oxide (AAO) is an interesting material, occupying a unique space -- already used incredibly widely in the world, yet also commonly used for …
Amorphous oxide semiconductors (AOSs) have been intensively studied during the last 15 years due to their superior properties. The major application of AOS thin film …
The superconductor-insulator transition (SIT) is a well-known phenomenon that is observed in many types of superconducting systems, including elemental films and high Tc superconductors. Ultrathin …
The Giant Spin Hall Effect (GSHE) in certain transition metals due to strong spin-orbit interaction has shown great potential in the development of novel spintronic …
Terahertz scattering scanning near field optical microscopy (THz s-SNOM) has become an active research topic for its effectiveness in characterizing electronic behavior in many materials …
We systematically studied the spin-dependent transport and electrical noise characteristics of MgO-based magnetic tunnel junctions (MTJs). Utilizing the coherent tunneling effect in the MgO tunnel …
The quantum Hall effect is a marvelous thing, a microcosm of all that is strange and beautiful and quantum. The fractional quantum Hall effect supports …
Experiments have established the existence of a Bose Insulator phase close to the two dimensional Superconductor-Insulator transition. Here, current is carried by localized Cooper Pairs, …
The vortex matter in type-II superconductors continues to be a subject of great fascination in condensed matter physics. A longstanding theoretical and experimental problem is …
In this thesis, I develop transport theories and propose to probe certain types of novel quantum matter, such as topological insulators and quantum spin-orbital liquids, …
The nematic phase transition in Fe-based superconductors (FeSCs) has been a topic under intensive investigation. So far it is commonly accepted that the structural transition …
Fractional quantum Hall (FQH) liquids are interesting two-dimensional electron systems that possess quasiparticle excitations with fractional charges, obeying quantum statistics different from those of bosons …
Several aspects of transport in fractional quantum Hall (FQH) systems are investigated. The focus is on the FQH system at filling factor 5/2, which is …