Full metadata record
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.advisor | 홍정일 | - |
| dc.contributor.author | Nguyen Thi Thanh Huong | - |
| dc.date.accessioned | 2023-09-18T21:00:54Z | - |
| dc.date.available | 2023-09-18T21:00:54Z | - |
| dc.date.issued | 2023 | - |
| dc.identifier.uri | http://hdl.handle.net/20.500.11750/46416 | - |
| dc.identifier.uri | http://dgist.dcollection.net/common/orgView/200000688393 | - |
| dc.description | Epitaxial Cr/Fe bilayer; Unidirectional spin Hall magnetoresistance; electron-magnon scattering; magnetic damping | - |
| dc.description.tableofcontents | Ⅰ. Introduction 1 Overview of magnonics 1 II. Theoretical perspectives 4 2.1 Magnon 4 2.1.1 Zero spin wave 4 2.1.2 Magnon 8 2.2 Spin Hall effect and Orbital Hall effect 10 2.2.1 Spin Hall effect 11 2.2.2 Orbital Hall effect 13 2.3 Spin dissipation 14 2.3.1 Intrinsic damping 15 2.3.2 Extrinsic damping 17 2.3.3 Spin pumping damping 18 2.3 Magnetoresistance 20 2.3.1 Anisotropic magnetoresistance 20 2.3.2 Unidirectional spin Hall magnetoresistance 21 2.3.3 Spin Hall magnetoresistance 22 2.3.4 Magnon magnetoresistance 24 III. Experimental methods 26 3.1 Molecular beam epitaxy for epitaxial film growth 26 3.2 Unidirectional spin Hall MR: 2nd harmonic voltage measurement 28 3.3 Ferromagnetic resonance measurement 30 3.4 Photolithography & Ion milling 33 IV. Unidirectional spin Hall magnetoresistance in epitaxial Cr/Fe bilayer from electron-magnon scattering. 37 4.1 Introduction 37 4.2 Crystalline structure and magnetic properties 38 4.3 Magnetoresistance results 40 4.4 Discussion 47 4.5 Summary 49 V. Giant magnetic damping anisotropy in epitaxial Cr/Fe bilayer with the absence of magnetocrystalline anisotropy 50 5.1 Introduction 50 5.2 Crystalline structure and magnetic properties 51 5.3 Magnetic damping anisotropy 54 5.4 Discussion 57 5.5 Summary 61 VI. Conclusion and Outlook 62 6.1 Conclusion 62 6.2 Outlook 63 References 64 |
- |
| dc.format.extent | 73 | - |
| dc.language | eng | - |
| dc.publisher | DGIST | - |
| dc.title | Study on spin transport and spin dissipation in epitaxial Cr/Fe bilayer | - |
| dc.title.alternative | 에피성장된 Cr/Fe 이중층 구조에서의 스핀 수송 현상 및 스핀 소산 연구 | - |
| dc.type | Thesis | - |
| dc.identifier.doi | 10.22677/THESIS.200000688393 | - |
| dc.description.degree | Doctor | - |
| dc.contributor.department | Department of Physics and Chemistry | - |
| dc.contributor.coadvisor | Sanghoon Kim | - |
| dc.date.awarded | 2023-08-01 | - |
| dc.publisher.location | Daegu | - |
| dc.description.database | dCollection | - |
| dc.citation | XT.MD N576 202308 | - |
| dc.date.accepted | 2023-09-14 | - |
| dc.contributor.alternativeDepartment | 화학물리학과 | - |
| dc.subject.keyword | Epitaxial Cr/Fe bilayer | - |
| dc.subject.keyword | Unidirectional spin Hall magnetoresistance | - |
| dc.subject.keyword | electron-magnon scattering | - |
| dc.subject.keyword | magnetic damping | - |
| dc.contributor.affiliatedAuthor | Nguyen Thi Thanh Huong | - |
| dc.contributor.affiliatedAuthor | Jung-Il Hong | - |
| dc.contributor.affiliatedAuthor | Sanghoon Kim | - |
| dc.contributor.alternativeName | Nguyen Thi Thanh Huong | - |
| dc.contributor.alternativeName | Jung-Il Hong | - |
| dc.contributor.alternativeName | 김상훈 | - |
| dc.rights.embargoReleaseDate | 2025-08-31 | - |
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