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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 梁啟德(Chi-Te Liang) | |
| dc.contributor.author | Yu-Feng Huang | en |
| dc.contributor.author | 黃裕峯 | zh_TW |
| dc.date.accessioned | 2021-05-16T16:23:12Z | - |
| dc.date.available | 2018-07-19 | |
| dc.date.available | 2021-05-16T16:23:12Z | - |
| dc.date.copyright | 2013-07-19 | |
| dc.date.issued | 2013 | |
| dc.date.submitted | 2013-07-12 | |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/6210 | - |
| dc.description.abstract | 在本篇論文會先對我們腔體最佳條件下的銪鋇銅氧(EuBCO)超導薄膜，做一些電性傳輸的量測分析。為了要確定複合超導體與石墨烯的製程，我們將會針對超導跟一般金屬的複合製程做一些探討跟量測。至今為止，所有複合超體導跟石墨烯的論文中，全部都是以低溫超導作為使用材料，這也就是為什麼我們使用EuBCO這樣的第二類高溫超導作為與石墨烯複合的材料的原因。我們藉此希望觀察到流過整個元件的超導電流，以及在超導體與石墨烯的介面發生安德烈夫反射現象的證據。期望因為低溫與高溫超導體在某些物理現象些微的不同，使我們的複合元件能表現出不同的物理現象。 | zh_TW |
| dc.description.abstract | In this thesis, we study the transport properties of the optimum Sputtering condition of the EuBCO superconducting films first. In order to ensure the validity of the superconductor-graphene-superconductor (SGS) structure, we will give some statements about the measuring process of the superconductor-normal metal-superconductor (SNS) structure. Until now, the low-temperature superconductors are used as electrodes for the SGS structure represented in the papers. That is why we combine EuBCO, Type-II high-temperature superconductor, and graphene to make the SGS structure. We may observe the supercurrent passing through the whole device and the phenomena of Andreev reflection between graphene and superconductor. Because of a little different physics between low and high- temperature superconductors, we expect it can represent different physics on our device. | en |
| dc.description.provenance | Made available in DSpace on 2021-05-16T16:23:12Z (GMT). No. of bitstreams: 1 ntu-102-R00222052-1.pdf: 1859852 bytes, checksum: fa1b289a363ed5fd16aaf4881e6f16a4 (MD5) Previous issue date: 2013 | en |
| dc.description.tableofcontents | Contents...........................................................................................................................iv
Chapter 1 Introduction................................................................................................1 1.1 Superconductor.........................................................................................................1 1.2 Graphene...................................................................................................................4 1.3 Motivation and Outline.............................................................................................6 Chapter 2 Physics of superconductivity......................................................................9 2.1 Meissner effect.........................................................................................................9 2.2 Type-II superconductors.........................................................................................11 2.3 Pinning potential energy.........................................................................................13 2.4 Josephson junction..................................................................................................14 2.5 RCSJ model and RSJ model...................................................................................18 Chapter 3 Experimental technique and sample fabrication...................................21 3.1 Four-terminal resistance measurement...................................................................21 3.2 Sputter system and the process of EuBCO film.....................................................22 3.3 Sample fabrication..................................................................................................26 Chapter 4 Results and discussions............................................................................31 4.1 Measurement of superconducting films.................................................................31 4.2 The SNS structure...................................................................................................43 4.3 The SGS structure...................................................................................................45 Chapter 5 Perspective.................................................................................................50 | |
| dc.language.iso | en | |
| dc.subject | 銪鋇銅氧 | zh_TW |
| dc.subject | 石墨烯 | zh_TW |
| dc.title | 銪鋇銅氧與石墨烯/高溫超導體複合系統之傳輸特性研究 | zh_TW |
| dc.title | Transport in EuBCO and hybrid graphene/high-temperature superconductor systems | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 101-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.coadvisor | 王立民(Li-Min Wang) | |
| dc.contributor.oralexamcommittee | 林立弘(Li-hung Lin) | |
| dc.subject.keyword | 石墨烯,銪鋇銅氧, | zh_TW |
| dc.subject.keyword | graphene,EuBCO, | en |
| dc.relation.page | 52 | |
| dc.rights.note | 同意授權(全球公開) | |
| dc.date.accepted | 2013-07-12 | |
| dc.contributor.author-college | 理學院 | zh_TW |
| dc.contributor.author-dept | 物理研究所 | zh_TW |
| 顯示於系所單位： | 物理學系 | |
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| 檔案 | 大小 | 格式 | |
|---|---|---|---|
| ntu-102-1.pdf | 1.82 MB | Adobe PDF | 檢視/開啟 |
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