@article{oai:tsukuba.repo.nii.ac.jp:00027929, author = {Guo, Donghui and 近藤, 剛弘 and KONDO, Takahiro and Machida, Takahiro and Iwatake, Keigo and 岡田, 晋 and OKADA, Susumu and 中村, 潤児 and NAKAMURA, Junji}, journal = {Nature Communications}, month = {Sep}, title = {Observation of Landau levels in potassium-intercalated graphite under a zero magnetic field}, volume = {3}, year = {2012}, yomi = {コンドウ, タカヒロ and オカダ, ススム and ナカムラ, ジュンジ} }