"Hiroaki Fukuta,Goon Tan,Tomoaki Oga,Akifumi Matsuda,Mamoru Yoshimoto,Hiroto Matsuura,Kenji Umezawa","Surface structural analysis of SrF2(111) using low-energy atom scattering spectroscopy",,"Japanese Journal of Applied Physics","IOP Publishing","Volume 63","Number 2",,2024,Feb. "Hiroaki Fukuta,Goon Tan,Tomoaki Oga,Akifumi Matsuda,Mamoru Yoshimoto,Kenji Umezawa","Surface structural analysis of CaF2(111) using low-energy atom scattering spectroscopy",,"Journal of Vacuum Science & Technology A","AIP Publishing","Volume 41","Issue 4",,2023,May "Goon Tan,Hiroaki Fukuta,K. Kanishka H. De Silva,Akifumi Matsuda,Masamichi Yoshimura,Mamoru Yoshimoto,Kenji Umezawa","Characterization of vacuum ultraviolet-irradiated surface modification of CoO(111) crystal by low-energy atom scattering spectroscopy",,"Journal of Vacuum Science & Technology A","American Institute of Physics"," 40",,,2022,Sept.