"Ryo  Toyama,Yutaka  Majima","7.4 nm linewidth Pt nanowires by electron-beam lithography using non-chemically amplified positive-tone resist and post-exposure bake",,"Japanese Journal of Applied Physics",,,,,2024,Mar.
"Ryo  Toyama,Shiro  Kawachi,Jun-ichi  Yamaura,Takeshi  Fujita,Youichi  Murakami,Hideo  Hosono,Yutaka  Majima","Nanostructure-induced L10-ordering of twinned  single-crystals in CoPt ferromagnetic nanowires",,"Nanoscale Advances",,"  4",,"  5270",2022,Oct.
"Ryo Toyama,Shiro Kawachi,Jun-ichi Yamaura,Youichi Murakami,Hideo Hosono,Yutaka Majima","Large coercivity of 13 kOe in L10-ordered CoPt on Si/SiO2 substrates by hydrogen annealing",,"Japanese Journal of Applied Physics",,,,,2022,May
"Ryo Toyama","Study on Nanostructure Induced L10-Ordering of CoPt Ferromagnetic Nanowires on Si/SiO2 Substrates",,,,,,,2022,Mar.
"Ryo Toyama","Study on Nanostructure Induced L10-Ordering of CoPt Ferromagnetic Nanowires on Si/SiO2 Substrates",,,,,,,2022,Mar.
"Ryo Toyama","Study on Nanostructure Induced L10-Ordering of CoPt Ferromagnetic Nanowires on Si/SiO2 Substrates",,,,,,,2022,Mar.
"Ryo Toyama","Study on Nanostructure Induced L10-Ordering of CoPt Ferromagnetic Nanowires on Si/SiO2 Substrates",,,,,,,2022,Mar.
"Pei-Chun Yeh,Genki Ohkatsu,Ryo Toyama,Phan Trong Tue,Kostya (Ken) Ostrikov,Yutaka Majima,Wei-Hung Chiang","Towards single electron transistor-based photon detection with microplasma-enabled graphene quantum dots",,"NANOTECHNOLOGY",,"  32",,"  50LT01",2021,Oct.
"Ryo Toyama,Shiro Kawachi,Jun-ichi Yamaura,Youichi Murakami,Hideo Hosono,Yutaka Majima","Ti underlayer effect on the ordering of CoPt in (Co/Pt)4 multilayer thin films on Si/SiO2 substrates",,"JPN. J. APPL. PHYS.",,"  59",,"  075504-1-8",2020,June
"Ryo Toyama,Shiro Kawachi,Soshi Iimura,Jun-ichi Yamaura,Youichi Murakami,Hideo Hosono,Yutaka Majima","Formation of L10-ordered CoPt during interdiffusion of electron beam-deposited Pt/Co bilayer thin films on Si/SiO2 substrates by rapid thermal annealing",,"Mater. Res. Express",,"  7",,"  066101-1-10",2020,June
"Mingyue Yang,Ryo Toyama,Phan Trong Tue,Yutaka Majima","Interdiffusion during heteroepitaxial Au growth on Pd thin films by electroless Au plating (ELGP) at room temperature",,"Applied Physics Express",,"  13",,"  015006",2019,Dec.
"Ryo Toyama,Yutaka Majima","Fabrication of Co50Pt50 Ferromagnetic Asymmetric Nanogap Electrodes for Ferromagnetic Single-Electron Transistors","KJF-ICOMEP 2018",,,,,,2018,Sept.