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Crystalline substrates are known to function as a template for the growth of Van der Waals materials. Van der Waals materials, specifically transition metal dichalcogenides, have gained attention in the past decade due to their interesting chemical and physical properties, as well as the potential they hold for applications, particularly in the field of (opto‐)electronics. The crystalline quality...
Graphene is moving beyond the realm of simple electronic devices toward areas such as advanced bio-chemical sensing. The infrared (IR) response of graphene, characterized by collective long-lived charge-carrier oscillations, could be applied in IR-absorption spectroscopy, typically used for bio-chemical analysis. However, direct light absorption by propagating plasmons in graphene is forbidden due...
For applications in wearable human-device interfaces and optoelectronics, flexible materials capable of supporting spatial and uninterrupted bandgap tunability are of immense value. We demonstrate theoretically and experimentally the wide bandgap tunability of GaSe nanosheets, with simultaneous PL enhancement, via elastic strain engineering at room temperature. The elastic strain gives rise to a continuously...
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