تقرير
Engineering the strain and interlayer excitons of 2D materials via lithographically engraved hexagonal boron nitride
| العنوان: | Engineering the strain and interlayer excitons of 2D materials via lithographically engraved hexagonal boron nitride |
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| المؤلفون: | Hsieh, Yu-Chiang, Lin, Zhen-You, Fung, Shin-Ji, Lu, Wen-Shin, Ho, Sheng-Chin, Hong, Siang-Ping, Ho, Sheng-Zhu, Huang, Chiu-Hua, Watanabe, Kenji, Taniguchi, Takashi, Chan, Yang-Hao, Chen, Yi-Chun, Wu, Chung-Lin, Chen, Tse-Ming |
| المصدر: | Nano Lett. 23, 7244-7251 (2023) |
| سنة النشر: | 2024 |
| المجموعة: | Condensed Matter |
| مصطلحات موضوعية: | Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Materials Science |
| الوصف: | Strain engineering has quickly emerged as a viable option to modify the electronic, optical and magnetic properties of 2D materials. However, it remains challenging to arbitrarily control the strain. Here we show that by creating atomically-flat surface nanostructures in hexagonal boron nitride, we achieve an arbitrary on-chip control of both the strain distribution and magnitude on high-quality molybdenum disulfide. The phonon and exciton emissions are shown to vary in accordance with our strain field designs, enabling us to write and draw any photoluminescence color image in a single chip. Moreover, our strain engineering offers a powerful means to significantly and controllably alter the strengths and energies of interlayer excitons at room temperature. This method can be easily extended to other material systems and offers a promise for functional excitonic devices. Comment: 8 pages, 5 figures |
| نوع الوثيقة: | Working Paper |
| DOI: | 10.1021/acs.nanolett.3c01208 |
| URL الوصول: | http://arxiv.org/abs/2401.01300 |
| رقم الأكسشن: | edsarx.2401.01300 |
| قاعدة البيانات: | arXiv |
| DOI: | 10.1021/acs.nanolett.3c01208 |
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