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Enhanced signal micro-raman study of SiGe nanowires and SiGe/Si nanowire axial heterojuntions grown using Au and Ga-Au catalysts
Citation
Anaya, Julián and Torres Pérez, Alfredo and Jiménez, Juan and Prieto, Carmelo and Rodríguez Domínguez, Andrés and Rodríguez Rodríguez, Tomás and Ballesteros Pérez, Carmen Inés (2015). Enhanced signal micro-raman study of SiGe nanowires and SiGe/Si nanowire axial heterojuntions grown using Au and Ga-Au catalysts. In: "Materials Reseracrh Society 2014 Fall Meeting", 30/11/2014 - 05/12/2014, Boston, Massachusetts, EE.UU. pp. 1-6. https://doi.org/10.1557/opl.2015.88.
Description
| Title: | Enhanced signal micro-raman study of SiGe nanowires and SiGe/Si nanowire axial heterojuntions grown using Au and Ga-Au catalysts |
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| Author/s: |
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| Item Type: | Presentation at Congress or Conference (Article) |
| Event Title: | Materials Reseracrh Society 2014 Fall Meeting |
| Event Dates: | 30/11/2014 - 05/12/2014 |
| Event Location: | Boston, Massachusetts, EE.UU |
| Title of Book: | Materials Reseracrh Society 2014 Fall Meeting |
| Date: | 2015 |
| Volume: | 1751 |
| Subjects: | |
| Faculty: | E.T.S.I. Telecomunicación (UPM) |
| Department: | Ingeniería Electrónica |
| Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
Abstract
MicroRaman spectroscopy was used for the characterization of heterostructured SiGe/Si nanowires. The NWs were grown with alloyed AuGa catalysts droplets with different Ga compositions aiming to make more abrupt heterojunctions. The heterojunctions were first characterized by TEM; then the NWs were scanned by the laser beam in order to probe the heterojunction. The capability of the MicroRaman spectroscopy for studying the heterojunction is discussed. The results show that the use of catalysts with lower Ge and Si solubility (AuGa alloys) permits to achieve more abrupt junctions.
More information
| Item ID: | 42614 |
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| DC Identifier: | https://oa.upm.es/42614/ |
| OAI Identifier: | oai:oa.upm.es:42614 |
| DOI: | 10.1557/opl.2015.88 |
| Deposited by: | Memoria Investigacion |
| Deposited on: | 11 Jul 2016 18:25 |
| Last Modified: | 23 Mar 2023 15:39 |
