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Please use this identifier to cite or link to this item:
https://nccur.lib.nccu.edu.tw/handle/140.119/157183
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| Title: | 二維材料電子結構及相關物理性質
Electronic Structures and Related Physical Properties of Two-Dimensional Materials |
| Authors: | 楊志開 |
| Contributors: | 應物所 |
| Keywords: | 二維過渡金屬二硫化物;奈米緞帶;奈米孔洞;電子結構計算;拓樸超導性質
Two-dimensional transition metal dichalcogenides;Nanoribbon;Nanopore;Electronic structure calculation;Topological superconductivity |
| Date: | 2022-01 |
| Issue Date: | 2025-05-29 11:57:26 (UTC+8) |
| Abstract: | 二維材料是當今凝態物理最重要的研究課題之一，對台灣高科技產業的持續發展與創新極具重要性。不僅是石墨烯與氮化硼，二維過渡金屬二硫化物已可以各種方法合成，且具有非常有趣的傳輸與光電物理性質。我們提出研究過渡金屬二硫化物層狀、奈米緞帶、奈米片狀結構，及有缺陷、雜質、或有分子、原子鍊、量子點沉積的各種結構。我們預期發現更多的過渡金屬二硫化物半金屬，挖掘出有趣的磁學與光學性質。我們將特別探究已被實驗證實的奈米孔洞與吸附的原子與分子的交互作用，特別是胺基酸分子與短截胜肽。我們也正研究鐵基物質如FeTe1-xSex的拓樸超導性質，藉由計算此材料的拓樸性質及建立類似BCS的模型，我們希望對非傳統超導有進一步的了解。計畫成果將可應用於奈米電子學、自旋電子學、生醫科學，也有助於闡明拓樸超導性質，包括其在量子計算的潛在應用。研究團隊成員可將所學貢獻於下一代高科技產業。
Two-dimensional materials are among the most important research topics in condensed matter physics. They are also extremely important for the continuing development and innovation in Taiwan’s high-tech industries. In addition to graphene and hexagonal boron nitride, two-dimensional transition metal dichalcogenides (TMDC) can be synthesized in a variety of methods and possess very interesting physical properties in transport and optoelectronics. We propose to study TMDC layers, nanoribbons, and nanosheets in various configurations, with defects, impurities, or deposition of molecules, atomic chains, and quantum dots. We expect to find more half metals out of TMD nanoribbons. Interesting magnetism and optical properties could also come out. In particular, we are investigating the interaction between a nanopore, which has been achieved experimentally, and adsorbed atoms and molecules, especially biomolecules such as amino acids and short peptides. We are also exploring the mechanism of topological superconductivity of iron-based materials such as FeTe1-xSex. By calculating the topological properties of the materials and constructing a BCS-like model we hope to understand more about the mechanism behind unconventional superconductivity. Results of the research proposal can be applied to nanoelectronics, spintronics, biomedical science, and may help elucidate topological superconductivity, including potential application in quantum computing. Members of the research team can contribute their learning to the next generation of high-tech industry. |
| Relation: | 科技部, MOST109-2112-M004-002, 109.08-110.07 |
| Data Type: | report |
| Appears in Collections: | [應用物理研究所 ] 國科會研究計畫
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