Title

Scanning Tunneling Microscopy Studies on Layered Materials

Alternative Title

주사 터널링 현미경을 통한 층상구조 물질 연구

DGIST Authors

Si-Hong Lee ; Jungpil Seo ; Keeseong Park

Advisor

서정필

Co-Advisor(s)

Keeseong Park

Issued Date

2022

Awarded Date

2022/02

Citation

Si-Hong Lee. (2022). Scanning Tunneling Microscopy Studies on Layered Materials. doi: 10.22677/thesis.200000596258

Type

Thesis

Subject

주사 터널링 현미경, 스핀분극 주사 터널링현미경, 준스핀분극 주사 터널링 현미경, 카고메 격자, 전이금속 디칼코게나이드, 중압(strain)효과, 전하밀도파

Description

주사 터널링 현미경, 스핀분극 주사 터널링현미경, 준스핀분극 주사 터널링 현미경, 카고메 격자, 전이금속 디칼코게나이드, 중압(strain)효과, 전하밀도파

Table Of Contents

I. Introduction 1
1.1 Layered materials 1
II. Scanning Tunneling Microscopy (STM) 6
2.1 Introduction 6
2.1.1 Working principle of STM 6
2.1.2 STM modes 7
2.2 Spin-polarized STM (SPSTM) 13
2.3 Gate-tunable STM 15
III. Experimental methods 16
3.1 Preparation 16
3.1.1 Sample 16
3.1.2 Tip 19
3.1.3 Gate-tunable STM 22
3.2 Molecular Beam Epitaxy (MBE) source gun 24
IV. Layered Materials 25
4.1 FeSn 25
4.1.1 Introduction 25
4.1.2 Method 28
4.1.3 Results 33
4.1.4 Conclusion 46
4.2 Fe3Sn2 47
4.2.1 Introduction 47
4.2.2 Method 49
4.2.3 Results 50
4.2.4 Conclusion 62
4.3 WTe2 63
4.3.1 Introduction 63
4.3.2 Method 64
4.3.3 Results 65
4.3.4 Conclusion 70
Reference 71
Abstract (Korean) 76

URI

http://dgist.dcollection.net/common/orgView/200000596258
http://hdl.handle.net/20.500.11750/16322

DOI

10.22677/thesis.200000596258

Degree

Doctor

Department

Emerging Materials Science

Publisher

DGIST

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