Strong near band-edge excited second-harmonic generation from multilayer 2H Tin diselenide

Strong near band-edge excited second-harmonic generation from multilayer 2H Tin diselenide

Abstract We report strong second-harmonic generation (SHG) from 2H polytype of multilayer Tin diselenide (SnSe2) for fundamental excitation close to the indirect band-edge in the absence of excitonic resonances. Comparison of SHG and Raman spectra from exfoliated SnSe2 flakes of different polytypes...

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Autores principales: Rabindra Biswas, Medha Dandu, Asish Prosad, Sarthak Das, Sruti Menon, Jayanta Deka, Kausik Majumdar, Varun Raghunathan
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
Materias:
Medicine
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Science
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Acceso en línea:https://doaj.org/article/75e7cd6c58814a85a9cebf9cb2bfe7c0
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