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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2506.21159 |
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| _version_ | 1866909660638871552 |
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| author | Bollier, Isabelle Balduini, Federico Sousa, Marilyne Vettori, Marco Peeters, Wouter H. J. Bakkers, Erik P. A. M. Schmid, Heinz |
| author_facet | Bollier, Isabelle Balduini, Federico Sousa, Marilyne Vettori, Marco Peeters, Wouter H. J. Bakkers, Erik P. A. M. Schmid, Heinz |
| contents | We report electrical measurements on hexagonal silicon-germanium (hex-SiGe), a group IV alloy with direct bandgap. Electrical contacts are formed by metal alloying and doping is achieved using ion implantation. The metastable hex-SiGe phase is successfully recovered after implantation by solid phase recrystallization. Independent of the metal used, contacts on n-type resulted in Schottky barriers due to Fermi level pinning of hex-SiGe. Overall, this constitutes a first step towards use of hex-SiGe for optoelectronic applications. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_21159 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Electrical Characterization of hexagonal SiGe Bollier, Isabelle Balduini, Federico Sousa, Marilyne Vettori, Marco Peeters, Wouter H. J. Bakkers, Erik P. A. M. Schmid, Heinz Materials Science Mesoscale and Nanoscale Physics We report electrical measurements on hexagonal silicon-germanium (hex-SiGe), a group IV alloy with direct bandgap. Electrical contacts are formed by metal alloying and doping is achieved using ion implantation. The metastable hex-SiGe phase is successfully recovered after implantation by solid phase recrystallization. Independent of the metal used, contacts on n-type resulted in Schottky barriers due to Fermi level pinning of hex-SiGe. Overall, this constitutes a first step towards use of hex-SiGe for optoelectronic applications. |
| title | Electrical Characterization of hexagonal SiGe |
| topic | Materials Science Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2506.21159 |