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Our lab's primary experimental tool is angle-resolved photoemission spectroscopy (ARPES). ARPES enables us to directly visualize the electronic structure, or band structure, in the most precise manner. This capability is well demonstrated in the figure, which displays the measured electronic structure of graphite. ARPES offers comprehensive insights into the behavior of electrons in a solid, including information about possible interactions. It stands as the ultimate tool for conducting research in condensed matter physics.
We also develop breakthrough instrumentation and data analysis techniques to enhance the capabilities of ARPES. In addition to our state-of-the-art ARPES system, we are designing novel experimental tools including novel electron spectrometers and ultrafast laser systems. We are also developing new data analysis techniques to extract more information from ARPES data. These developments will enable us to study new materials and phenomena that are currently beyond the reach of experiments.
X-ray absorption spectroscopy
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