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Role of Boron Content in CoFeB Thin Films on the Microstructure and Magnetic Exchange Interactions
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dc.contributor.advisor 유천열 -
dc.contributor.author Jun-Su Kim -
dc.date.accessioned 2024-02-29T21:00:57Z -
dc.date.available 2025-02-28T06:00:35Z -
dc.date.issued 2024 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/48018 -
dc.identifier.uri http://dgist.dcollection.net/common/orgView/200000725255 -
dc.description CoFeB;Exchange stiffness constant (Aex);Interfacial Dzyaloshinskii-Moriya interaction (iDMI);Brillouin light scattering (BLS) -
dc.description.tableofcontents Ⅰ. Introduction 1

Ⅱ. Theorical Background 5
2.1. Energies in magnetic system 6
2.1.1. Heisenberg exchange interaction 6
2.1.2. Dzyaloshinskii-Moriya interaction 7
2.2.3. Shape anisotropy 8
2.2.4. Interfacial magnetic anisotropy 8
2.2.5. Perpendicular magnetic anisotropy 9
2.3.6. Zeeman energy 9

2.2. Brillouin light scattering (BLS) 10
2.2.1. Landau-Lifshitz-Gilbert (LLG) equation 10
2.2.2. Spin wave 12
2.2.3. Equations for spin wave modes in the magnetic thin films 14
2.2.4. Inelastic scattered light 16
2.2.5. Brillouin light scattering 17

Ⅲ. Experimental Techniques 18
3.1. Thin Film deposition 19
3.2. Brillouin light scattering spectroscopy (BLS) 21
3.2.1. Single Fabry-Pérot interferometer (FPI) 21
3.3.2. Tandem Fabry-Pérot interferometer (FPI) 24

Ⅳ. Research Theme 1 26
4.1. Overview 27
4.2. Materials and Methods 27
4.3. Results and discussion 31
4.4. Conclusion 42
4.5. Appendix 43

Ⅴ. Research Theme 2 53
5.1. Overview 54
5.2. Materials and Methods 56
5.3. Results and discussion 57
5.4. Conclusion 58
5.5. Appendix 73

Ⅶ. Reference 86
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dc.format.extent 99 -
dc.language eng -
dc.publisher DGIST -
dc.title Role of Boron Content in CoFeB Thin Films on the Microstructure and Magnetic Exchange Interactions -
dc.type Thesis -
dc.identifier.doi 10.22677/THESIS.200000725255 -
dc.description.degree Doctor -
dc.contributor.department Department of Physics and Chemistry -
dc.identifier.bibliographicCitation Jun-Su Kim. (2024). Role of Boron Content in CoFeB Thin Films on the Microstructure and Magnetic Exchange Interactions. doi: 10.22677/THESIS.200000725255 -
dc.contributor.coadvisor June-Seo Kim -
dc.date.awarded 2024-02-01 -
dc.publisher.location Daegu -
dc.description.database dCollection -
dc.citation XT.MD 김76 202402 -
dc.date.accepted 2024-01-30 -
dc.contributor.alternativeDepartment 화학물리학과 -
dc.subject.keyword CoFeB -
dc.subject.keyword Exchange stiffness constant (Aex) -
dc.subject.keyword Interfacial Dzyaloshinskii-Moriya interaction (iDMI) -
dc.subject.keyword Brillouin light scattering (BLS) -
dc.contributor.affiliatedAuthor Jun-Su Kim -
dc.contributor.affiliatedAuthor Chun-Yeol You -
dc.contributor.affiliatedAuthor June-Seo Kim -
dc.contributor.alternativeName 김준수 -
dc.contributor.alternativeName Chun-Yeol You -
dc.contributor.alternativeName 김준서 -
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