Full metadata record
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.advisor | 유천열 | - |
| dc.contributor.author | Weonjun Na | - |
| dc.date.accessioned | 2023-03-22T19:56:50Z | - |
| dc.date.available | 2024-02-28T06:00:28Z | - |
| dc.date.issued | 2023 | - |
| dc.identifier.uri | http://hdl.handle.net/20.500.11750/45719 | - |
| dc.identifier.uri | http://dgist.dcollection.net/common/orgView/200000652152 | - |
| dc.description | Domain wall velocity, asymmetric pinning potential, miscut sapphire substrate | - |
| dc.description.tableofcontents | Ⅰ. INTRODUCTION 1 Ⅱ. THEORATICAL BACKGROUND 2 2.1. Doman & Domain wall 2 2.1.1. Domain 2 2.1.2. Domain wall 3 2.2. Creep region DW velocity 4 2.3. Field driven DW motion 6 2.4. Sapphire Miscut Substrate 7 Ⅲ. MATERIAL&METHODS 8 3.1. Film deposition and patterning 8 3.1.1. Magnetron Sputtering 8 3.1.2. Photolithography 10 3.1.3. Etching 11 3.2. Magnetic Property Measurement 13 3.2.1. ViberationalSample Magnetometer (VSM) 13 3.3. Domain wall motion measurement 14 3.3.1. Polar-Kerr microscope 14 3.3.2. Domain wall nucleation and propagation 16 3.3.3. Define +MZ, -MZ initalization, propagation direction 18 3.3.4. In-plane angle dependence of pinning potential 20 Ⅳ. RESULTS&DISCUSSION 22 4.1. Substate Surface Evaluation 22 4.2. Magnetic properties 24 4.3. In-plane angle dependence of DW velocity 25 4.4 Comparsion of slope (α) and intercept (lnν0) on graph H-1/4- lnν 30 Ⅴ. CONCLUSION 33 |
- |
| dc.format.extent | 38 | - |
| dc.language | eng | - |
| dc.publisher | DGIST | - |
| dc.title | The asymmetric pinning potential in domain wall velocity of ferromagnetic nanowire on miscut sapphire substrate | - |
| dc.title.alternative | 미스컷 사파이어 기판을 사용하여 강자성 나노와이어에서의 비등방성 피닝 포텐셜의 자구벽 속도 영향에 대한 연구 | - |
| dc.type | Thesis | - |
| dc.identifier.doi | 10.22677/THESIS.200000652152 | - |
| dc.description.degree | Master | - |
| dc.contributor.department | Department of Physics and Chemistry | - |
| dc.contributor.coadvisor | Jung-Il Hong | - |
| dc.date.awarded | 2023-02-01 | - |
| dc.publisher.location | Daegu | - |
| dc.description.database | dCollection | - |
| dc.citation | XT.MM 나66 202302 | - |
| dc.date.accepted | 2023-03-21 | - |
| dc.contributor.alternativeDepartment | 화학물리학과 | - |
| dc.subject.keyword | Domain wall velocity | - |
| dc.subject.keyword | asymmetric pinning potential | - |
| dc.subject.keyword | miscut sapphire substrate | - |
| dc.contributor.affiliatedAuthor | Weonjun Na | - |
| dc.contributor.affiliatedAuthor | Chun-Yeol You | - |
| dc.contributor.affiliatedAuthor | Jung-Il Hong | - |
| dc.contributor.alternativeName | 나원준 | - |
| dc.contributor.alternativeName | Chun-Yeol You | - |
| dc.contributor.alternativeName | 홍정일 | - |
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