Sample interview questions: Can you discuss any experience you have with investigating the electronic structure of materials in solid-state physics?
Sample answer:
During my doctoral research, I extensively investigated the electronic structure of various materials using a combination of experimental and theoretical techniques. I employed synchrotron-based angle-resolved photoemission spectroscopy (ARPES) to probe the occupied electronic states near the Fermi level, providing insights into the band structure, Fermi surface topology, and electronic correlations.
To complement the ARPES measurements, I utilized density functional theory (DFT) calculations to model the electronic structure and interpret the experimental data. My DFT calculations involved implementing advanced exchange-correlation functionals and considering spin-orbit coupling effects to accurately capture the electronic properties of complex materials. I also employed cluster expansion methods to model the influence of disorder on the electronic structure, which is crucial for understanding materials with compositional variations.
Furthermore, I explored the electronic structure of materials under external stimuli, such as temperature, pressure, and electric fields. By performing ARPES measurements at different temperatures, I investigated the te… Read full answer
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