Data set: Momentum resolved fingerprint of Mottness in layer dimerized Nb3Br8

The dataset contains raw data files of the ARPES and optical absorption measurements. It also contains data files of the DFT bandstructure calculations.本数据集包含角分辨光电子能谱（Angle-resolved Photoemission Spectroscopy，ARPES）与光吸收测量的原始数据文件，同时涵盖密度泛函理论（Density Functional Theory，DFT）能带结构计算的数据文件。