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Carrier trapping and confinement in Ge nanocrystals surrounded by Ge3N4

Abstract:

We investigated the optical properties of Ge nanocrystals surrounded by Ge3N4. The broad emission ranging from infrared to blue is due to the dependence on the crystal size and preparation methods. Here, we report high resolution Photoluminescence (PL) attributed to emission from individual Ge nanocrystals (nc-Ge) spatially resolved using micro-photoluminescence and detailed using temperature and power-dependent photoluminescence studies. The measured peaks are shown to behave with excitonic ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1038/srep25449

Authors


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ORCID:
0000-0002-1789-750X
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Condensed Matter Physics
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Condensed Matter Physics
ORCID:
0000-0003-1757-5057
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Condensed Matter Physics
Oxford college:
Queens College
ORCID:
0000-0003-2578-9645
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National Research Foundation of Korea More from this funder
Publisher:
Nature Publishing Group Publisher's website
Journal:
Scientific Reports Journal website
Volume:
6
Issue:
1
Pages:
25449
Publication date:
2016-05-05
Acceptance date:
2016-04-15
DOI:
EISSN:
2045-2322
ISSN:
2045-2322
Pubs id:
pubs:619632
URN:
uri:3e469a29-2b9b-4dad-99a7-53628d1fc367
UUID:
uuid:3e469a29-2b9b-4dad-99a7-53628d1fc367
Local pid:
pubs:619632

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