Anisotropic soft X-ray emission spectroscopy study of the valence electron state of Lu(Al,T)B4 (T= Cr, Mn, Fe, Mo) exhibiting two-dimensional B-layersYuki Hada, Yuda Hatakeyama, Yohei K. Sato, Masami Terauchi, Kaoru Kouzu and Shigeru OkadaEPJ Web Conf., 349 (2026) 01006DOI: https://doi.org/10.1051/epjconf/202634901006