[23p-B202-1~13] 17.2 Graphene

[23p-B202-12] Material design of zero-gap semiconductors with flat dispersion band

〇Susumu Okada¹, Tomonari Mizoguchi¹, Yanlin Gao¹, Mina Maruyama¹, Yasuhiro Hatsugai¹ (1.Univ. Tsukuba)

Keywords:Graphene, zero-gap semiconductor, flat band

Using the tight-binding approximation, we investigated the electronic structure of extended martini lattice. Our analysis demonstrated that the electronic structure is sensitive to the electron transfer ranging from gapped to zero-gap semiconductors. Based on the analytic results, we theoretically designed the possible material of the extended martini lattice using the density functional theory.