Directional sensitivity of the A1g phonon in biaxially strained bismuth heterofilms studied by transient white light reflectivity
Strain engineering in epitaxial Bi(111) films on Si(111) enables temperature-tunable phonon frequencies through thermal expansion mismatch. Using in situ low-energy electron diffraction combined with broadband femtosecond transient reflectivity on the same samples, we directly correlate anisotropic...
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| Автори: | , , |
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| Формат: | Artigo |
| Мова: | Inglês |
| Опубліковано: |
AIP Publishing LLC and ACA
2026-06-01
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| Серія: | Structural Dynamics |
| Онлайн доступ: | https://pubs.aip.org/aca/sdy/article-pdf/doi/10.1063/4.0001200/21037507/034501_1_4.0001200.pdf |
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