Degenerate p orbitals flat band model and realization in two-dimensional materials

20 Aug 2020 Zeng Jiang Lu Ming Liu Haiwen Jiang Hua Xie X. C.

We propose a flat band model based on degenerate $p$ orbitals at the centers of octahedrons which are closely-packed in a two-demensional structure. Our theoretical analysis and first-principles calculations show that the proposed flat band can be realized in 1T layered materials of alkali-metal chalogenides and metal-carbon group compounds... (read more)

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