著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) 春山 純志,Large intrinsic energy bandgaps in annealed nanotube-derived graphene nanoribbons,Nature Nanotechnology,,,2011,6,,45-50,https://cir.nii.ac.jp/crid/1010000782089527936,