Formation of Micrometer‐Sized Textured Hexagonal Silicon Crystals via Nanoindentation
A comprehensive study on the formation of micrometer‐sized, textured hexagonal diamond silicon (hd‐Si) crystals via nanoindentation followed by annealing is presented. Utilizing advanced characterization techniques such as polarized Raman spectroscopy, high‐resolution transmission electron microscop...
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| Main Authors: | , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley-VCH
2025-06-01
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| Series: | Small Structures |
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| Online Access: | https://doi.org/10.1002/sstr.202400552 |
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| author | Mouad Bikerouin Anna Marzegalli Davide Spirito Gerald J. K. Schaffar Corrado Bongiorno Fabrizio Rovaris Mohamed Zaghloul Agnieszka Anna Corley‐Wiciak Leo Miglio Verena Maier‐Kiener Giovanni Capellini Antonio Massimiliano Mio Emilio Scalise |
| author_facet | Mouad Bikerouin Anna Marzegalli Davide Spirito Gerald J. K. Schaffar Corrado Bongiorno Fabrizio Rovaris Mohamed Zaghloul Agnieszka Anna Corley‐Wiciak Leo Miglio Verena Maier‐Kiener Giovanni Capellini Antonio Massimiliano Mio Emilio Scalise |
| author_sort | Mouad Bikerouin |
| collection | DOAJ |
| description | A comprehensive study on the formation of micrometer‐sized, textured hexagonal diamond silicon (hd‐Si) crystals via nanoindentation followed by annealing is presented. Utilizing advanced characterization techniques such as polarized Raman spectroscopy, high‐resolution transmission electron microscopy, and electron energy‐loss spectroscopy, the successful transformation of silicon into high‐quality hd‐Si is demonstrated. The experimental results are further supported by first‐principles calculations and molecular dynamics simulations. Notably, the hd‐Si phase consists of nanometer‐sized grains with slight misorientations, organized into large micrometer‐scale textured domains. These findings underscore the potential of nanoindentation as a precise and versatile tool for inducing pressure‐driven phase transformations, particularly for the stabilization of hexagonal silicon. The textured nature of hd‐Si also presents a unique opportunity to tailor its optical properties, opening new avenues for its application in semiconductor and optoelectronic devices. |
| format | Article |
| id | doaj-art-64a81fd4ab8642bebd12d355ea0a9917 |
| institution | Kabale University |
| issn | 2688-4062 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Wiley-VCH |
| record_format | Article |
| series | Small Structures |
| spelling | doaj-art-64a81fd4ab8642bebd12d355ea0a99172025-08-20T03:24:47ZengWiley-VCHSmall Structures2688-40622025-06-0166n/an/a10.1002/sstr.202400552Formation of Micrometer‐Sized Textured Hexagonal Silicon Crystals via NanoindentationMouad Bikerouin0Anna Marzegalli1Davide Spirito2Gerald J. K. Schaffar3Corrado Bongiorno4Fabrizio Rovaris5Mohamed Zaghloul6Agnieszka Anna Corley‐Wiciak7Leo Miglio8Verena Maier‐Kiener9Giovanni Capellini10Antonio Massimiliano Mio11Emilio Scalise12Department of Materials Science University of Milano‐Bicocca Via R. Cozzi 55 I‐20125 Milano ItalyDepartment of Materials Science University of Milano‐Bicocca Via R. Cozzi 55 I‐20125 Milano ItalyIHP‐Leibniz‐Institut für innovative Mikroelektronik Im Technologiepark 25 15236 Frankfurt (Oder) GermanyDepartment of Materials Science Montanuniversität Leoben Roseggerstrasse 12 8700 Leoben AustriaInstitute for Microelectronics and Microsystems (IMM) Consiglio Nazionale delle Ricerche (CNR) Strada VIII N. 5 95121 Catania ItalyDepartment of Materials Science University of Milano‐Bicocca Via R. Cozzi 55 I‐20125 Milano ItalyInstitute for Microelectronics and Microsystems (IMM) Consiglio Nazionale delle Ricerche (CNR) Strada VIII N. 5 95121 Catania ItalyIHP‐Leibniz‐Institut für innovative Mikroelektronik Im Technologiepark 25 15236 Frankfurt (Oder) GermanyDepartment of Materials Science University of Milano‐Bicocca Via R. Cozzi 55 I‐20125 Milano ItalyDepartment of Materials Science Montanuniversität Leoben Roseggerstrasse 12 8700 Leoben AustriaIHP‐Leibniz‐Institut für innovative Mikroelektronik Im Technologiepark 25 15236 Frankfurt (Oder) GermanyInstitute for Microelectronics and Microsystems (IMM) Consiglio Nazionale delle Ricerche (CNR) Strada VIII N. 5 95121 Catania ItalyDepartment of Materials Science University of Milano‐Bicocca Via R. Cozzi 55 I‐20125 Milano ItalyA comprehensive study on the formation of micrometer‐sized, textured hexagonal diamond silicon (hd‐Si) crystals via nanoindentation followed by annealing is presented. Utilizing advanced characterization techniques such as polarized Raman spectroscopy, high‐resolution transmission electron microscopy, and electron energy‐loss spectroscopy, the successful transformation of silicon into high‐quality hd‐Si is demonstrated. The experimental results are further supported by first‐principles calculations and molecular dynamics simulations. Notably, the hd‐Si phase consists of nanometer‐sized grains with slight misorientations, organized into large micrometer‐scale textured domains. These findings underscore the potential of nanoindentation as a precise and versatile tool for inducing pressure‐driven phase transformations, particularly for the stabilization of hexagonal silicon. The textured nature of hd‐Si also presents a unique opportunity to tailor its optical properties, opening new avenues for its application in semiconductor and optoelectronic devices.https://doi.org/10.1002/sstr.202400552hexagonal siliconmetastable silicon phasesnanoindentationphase transitiontextured silicon crystals |
| spellingShingle | Mouad Bikerouin Anna Marzegalli Davide Spirito Gerald J. K. Schaffar Corrado Bongiorno Fabrizio Rovaris Mohamed Zaghloul Agnieszka Anna Corley‐Wiciak Leo Miglio Verena Maier‐Kiener Giovanni Capellini Antonio Massimiliano Mio Emilio Scalise Formation of Micrometer‐Sized Textured Hexagonal Silicon Crystals via Nanoindentation Small Structures hexagonal silicon metastable silicon phases nanoindentation phase transition textured silicon crystals |
| title | Formation of Micrometer‐Sized Textured Hexagonal Silicon Crystals via Nanoindentation |
| title_full | Formation of Micrometer‐Sized Textured Hexagonal Silicon Crystals via Nanoindentation |
| title_fullStr | Formation of Micrometer‐Sized Textured Hexagonal Silicon Crystals via Nanoindentation |
| title_full_unstemmed | Formation of Micrometer‐Sized Textured Hexagonal Silicon Crystals via Nanoindentation |
| title_short | Formation of Micrometer‐Sized Textured Hexagonal Silicon Crystals via Nanoindentation |
| title_sort | formation of micrometer sized textured hexagonal silicon crystals via nanoindentation |
| topic | hexagonal silicon metastable silicon phases nanoindentation phase transition textured silicon crystals |
| url | https://doi.org/10.1002/sstr.202400552 |
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