Dr. Jin Hu
Department of Physics and Engineering Physics
Tulane University
The advance of condensed matter physics has been promoted by the discoveries of novel quantum materials in recent decades. Quantum materials, including superconductors, correlated materials with functional properties, functional 2D materials, topological materials, etc, exhibit a rich variety of exotic physical properties, which hold great promise for technology applications. This talk will focus on several new quantum material systems which I have studied in recent years. In the first part, I will discuss the interplay between superconductivity and magnetism in iron-based unconventional superconductor Fe1+y(Te1-xSex). I will show the unique coexistence of two magnetic correlations and their correlation with superconductivity. In the second part, I will introduce a novel two dimensional material Nb3SiTe6. From quantum transport property studies on atomically thin crystals of this material, we examined the dimensionality effect on electron-phonon interaction. Our results provide strong evidence for a long-standing theoretical prediction - suppression of electron-phonon interaction due to phonon dimension confinement
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