Topological Insulators and Narrow Gap Semiconductors.
 

Research Fields:

Bismuth-Chalcogenide based Topological Insulators
         Epitaxial growth, structure and electronic properties

IV-VI Semiconductor Topological Crystalline Insulators
         Epitaxial growth, quantum well heterostructures, superlattices
         Electronic properties and tansport

Self-Assembled Quantum Dots and Nanowires
         IV-VI semiconductor quantum dots in II-VI matrices
         Self-assembled Si/Ge nanostructures

Multiferroics and Magnetic Semiconductors
         GeTe, GeMnTe, EuSe, EuTe, BiMnTe, BiMnSe, etc.

Techniques
         Molecular beam epitaxy
         Scanning tunneling microscopy and scanning probe microscopy
         X-ray diffraction, transmission electron microscopy
         Infrared spectroscopy, magnetotransport
         Angle resolved photoemission spectroscopy (synchrotron)