Articles with "exciton states" as a keyword



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Exciton states and oscillator strength in few-layer α-tellurene

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Published in 2019 at "Applied Physics Letters"

DOI: 10.1063/1.5057395

Abstract: Tellurene is an elementary two-dimensional (2D) semiconductor material that has attracted intensive attention. Here, first-principles methods are used to explore the effects of excitons on the optical properties of few-layer α-tellurene by considering the thickness… read more here.

Keywords: absorption; exciton states; layer tellurene; oscillator strength ... See more keywords
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Modulation of exciton states through resonant excitation by continuous wave lasers in a GaAs/AlAs multiple quantum well

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Published in 2021 at "Journal of Physics D: Applied Physics"

DOI: 10.1088/1361-6463/ac03ea

Abstract: Interactions between excitons with different energies are significant in device application, particularly in the emission of intense terahertz (THz) waves caused by difference frequency mixing. In this paper, the interactions of excitons generated by two… read more here.

Keywords: exciton states; modulation exciton; continuous wave; physics ... See more keywords
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Intermolecular Interactions and Charge Resonance Contributions to Triplet and Singlet Exciton States of Oligoacene Aggregates

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules28010119

Abstract: Intermolecular interactions modulate the electro-optical properties of molecular materials and the nature of low-lying exciton states. Molecular materials composed by oligoacenes are extensively investigated for their semiconducting and optoelectronic properties. Here, we analyze the exciton… read more here.

Keywords: exciton states; singlet exciton; low lying; intermolecular interactions ... See more keywords