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First-principles study with band unfolding technique of MX2/Bi(111) (M = Mo,W; X = S, Se) Heterostructure

MX2(M = Mo,W; X=S, Se)/Bi(111) 헤테로 구조의 밴드 언폴딩 기법을 이용한 제일원리연구

목차

Ⅰ. INTRODUCTION--
1.1 Transition-metal dichalcogenides 1--
1.2 Bismuth 5--
1.3 Rashba effect 6--
Ⅱ. Density Functional Theory--
2.1 Introduction 8--
2.1.1 Time independent Schrödinger equation 8--
2.1.2 Born-Oppenheimer approximation 9--
2.2 The basic concepts of Density functional theory 11--
2.2.1 The Hohenberg-Kohn theorem 11--
2.2.2 The Kohn-Sham equation 12--
2.2.3 The exchange correlation energy 12--
Ⅲ. Calculation methods--
3.1 Introduction to band unfolding 14--
3.2 Lattice optimization 17--
3.3 Computational details 18--
Ⅳ. Results and discussion--
4.1 1L-MoS2/Bi(111) heterostructure: MoS2-projected bands 20--
4.2 1L-TMDC/Bi(111) heterostructure: TMDC-projected bands 27--
4.3 1L-MoS2/Bi(111) heterostructure: Bi-projected bands 30--
4.4 Summary 30--
References 32--
국문요약 35

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