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Bright trions in direct-bandgap silicon nanocrystals revealed bylow-temperature single-nanocrystal spectroscopy
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SYSNO ASEP 0456406 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Bright trions in direct-bandgap silicon nanocrystals revealed bylow-temperature single-nanocrystal spectroscopy Author(s) Kůsová, Kateřina (FZU-D) RID, ORCID
Pelant, Ivan (FZU-D) RID, ORCID, SAI
Valenta, J. (CZ)Source Title Light-Science & Applications. - : Springer - ISSN 2047-7538
Roč. 4, Oct (2015), e336Number of pages 8 s. Language eng - English Country GB - United Kingdom Keywords silicon nanocrystals ; single-nanocrystal spectroscopy ; luminescing trions Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GBP108/12/G108 GA ČR - Czech Science Foundation (CSF) GPP204/12/P235 GA ČR - Czech Science Foundation (CSF) Institutional support FZU-D - RVO:68378271 UT WOS 000365013600001 EID SCOPUS 84943752672 DOI 10.1038/lsa.2015.109 Annotation We present a complex study of single-nanocrystal spectroscopy of strain-engineered direct-bandgap silicon nanocrystals over a broad temperature range from 300 K down to 9 K. We show that seemingly different spectral types are connected by spectral diffusion and also provide evidence for the claim that one of the observed spectral structures comes from the radiative recombination of positively charged trions (a quasiparticle containing two holes and one electron). Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2016
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