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Vortex pinning force in superconducting Na-intercalated Ca10Nax(Pt3As8)(Fe2As2)5 single crystal
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- Title
- Vortex pinning force in superconducting Na-intercalated Ca10Nax(Pt3As8)(Fe2As2)5 single crystal
- DGIST Authors
- Shin, So Yeon ; Hong, Jung Il ; Park, Kee Seong
- Advisor
- Hong, Jung Il
- Co-Advisor(s)
- Park, Kee Seong
- Issued Date
- 2015
- Awarded Date
- 2015. 2
- Citation
- Shin, So Yeon. (2015). Vortex pinning force in superconducting Na-intercalated Ca10Nax(Pt3As8)(Fe2As2)5 single crystal. doi: 10.22677/thesis.1916041
- Type
- Thesis
- Access Rights
- The original item will not be provided upon request from the author
- Subject
- single crystal ; superconductor ; vortex ; critical current density ; flux pinning ; 단결정 성장 ; 초전도체 ; 볼텍스 ; 임계전류밀도 ; 자속 꽂음
- Abstract
-
Discovery of the iron arsenide family with high superconducting transition temperature (Tc) naturally raised the question about the relationships between them and cuprates. Since the LaFeAsOF superconductor was discovered, various types of iron-based superconductors(IBSs) with layered structures have been actively investigated. Recently, new type of IBSs, electron doped Ca10(Pt3As8)(Fe2As2)5 is discovered by Ni.et al. in 2012. This superconductor has a new layer of PtAs. The parent compound of Ca10(Pt3As8)(Fe2As2)5 superconductor do not show superconductivity. (In addition these superconductors have not yet been any more discovered)??, just the Ca10(Pt3As8)(Fe2As2)5 was only reported so far the properties of electron doped superconductors. ⓒ 2015 DGIST
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- Table Of Contents
-
Chapter 1. Introduction 1 --
Chapter 2. Theory 6 --
2.1 Superconductivity 6 --
2.2 Bean’s Critical Current Density 9 --
2.3 Flux Pinning in Superconductor 11 --
2.3.1 The Kramer Model 13 --
2.3.2 Dew-Hughes Model 15 --
Chapter 3. Growth of Single Crystal 19 --
3.1 The Birdgman Method 19 --
3.2 Quartz tube manufacturing 20 --
3.3 FeAs1.175 Precursor 20 --
3.4 Growth of the Ca10Nax(Pt3As8)(Fe2As2)5 Single Crystal 21 --
Chapter 4. Experimental Method 25 --
4.1 X-ray Diffraction (XRD) and Scanning Electromicroscope(SEM) 25 --
4.2 Transport Property Measurement 26 --
4.3 Magnetic Property Measurement 27 --
Chapter 5. Result and Discussion 29 --
Chapter 6. Conclusion 47 --
References 49 --
Summary (in Korean) 55
- URI
-
http://dgist.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000001916041
http://hdl.handle.net/20.500.11750/1389
- Degree
- Master
- Department
- Emerging materials Science
- Publisher
- DGIST
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