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Unprecedented new crystalline forms of SnSe in narrow to medium diameter carbon nanotubes
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Slade, Charlotte, Sánchez, Ana M. and Sloan, Jeremy (2019) Unprecedented new crystalline forms of SnSe in narrow to medium diameter carbon nanotubes. Nano Letters, 19 (5). pp. 2979-2984. doi:10.1021/acs.nanolett.9b00133 ISSN 1530-6984.
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Official URL: http://dx.doi.org/10.1021/acs.nanolett.9b00133
Abstract
We report the observation of four unprecedented new crystalline forms of SnSe, obtained as a result of encapsulation in narrow to medium diameter single-walled carbon nanotubes. Aberration-corrected scanning transmission electron microscopy at 80 kV revealed linear, zigzag, helical (i.e., 2 × 1) atomic chains and a new form of encapsulated SnSe. This new form is apparently isostructural to free-standing MoS, MoSe, and WSe extreme nanowires etched from the corresponding monolayer dichalcogenides and also recently observed encapsulated MoTe. A structural model has been attained from annular dark-field (ADF) images. The experimental imaging agrees well with image simulations produced from models anticipated for the new structural forms.
Item Type: | Journal Article | |||||||||
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Subjects: | Q Science > QC Physics T Technology > TA Engineering (General). Civil engineering (General) |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | |||||||||
Library of Congress Subject Headings (LCSH): | Carbon nanotubes, Selenides | |||||||||
Journal or Publication Title: | Nano Letters | |||||||||
Publisher: | American Chemical Society | |||||||||
ISSN: | 1530-6984 | |||||||||
Official Date: | 8 May 2019 | |||||||||
Dates: |
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Volume: | 19 | |||||||||
Number: | 5 | |||||||||
Page Range: | pp. 2979-2984 | |||||||||
DOI: | 10.1021/acs.nanolett.9b00133 | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Reuse Statement (publisher, data, author rights): | This document is the Accepted Manuscript version of a Published Work that appeared in final form in Nano Letters, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://dx.doi.org/10.1021/acs.nanolett.9b00133 | |||||||||
Access rights to Published version: | Restricted or Subscription Access | |||||||||
Date of first compliant deposit: | 23 April 2019 | |||||||||
Date of first compliant Open Access: | 11 April 2020 | |||||||||
RIOXX Funder/Project Grant: |
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