Kai Fukkoshi, Syunsuke Henmi, Naoto Washihira, Hideaki Iwasawa, Tatsuhiro Nagasaka, Hirofumi Seki, Sho Fujii, Tsuyoshi Kimura, Masaya Yamamoto, Tadao Tanabe “Characterization of Near-Surface Depth-Dependent Oxygen Chemical States in LDPE Model Nanoparticles by Variable-Excitation-Energy XPS​” accepted to Applied Surface Science.