Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/85666
Registo completo
Campo DC | Valor | Idioma |
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dc.contributor.author | Velasco, Sebastian Calderon | por |
dc.contributor.author | Ferreira, Rafael V. | por |
dc.contributor.author | Taneja, Deepyanti | por |
dc.contributor.author | Jayanth, Raghavendrarao T. | por |
dc.contributor.author | Zhou, Langyan | por |
dc.contributor.author | Ribeiro, R. M. | por |
dc.contributor.author | Akinwande, Deji | por |
dc.contributor.author | Ferreira, Paulo J. | por |
dc.date.accessioned | 2023-07-25T11:19:07Z | - |
dc.date.available | 2023-07-25T11:19:07Z | - |
dc.date.issued | 2021-11-30 | - |
dc.identifier.citation | Calderon V, S., Ferreira, R. V., Taneja, D., Jayanth, R., Zhou, L., Ribeiro, R. M., … Ferreira, P. J. (2021, November 30). Atomic Electrostatic Maps of Point Defects in MoS2. Nano Letters. American Chemical Society (ACS). http://doi.org/10.1021/acs.nanolett.1c02334 | por |
dc.identifier.issn | 1530-6984 | por |
dc.identifier.uri | https://hdl.handle.net/1822/85666 | - |
dc.description.abstract | In this study, we use differential phase contrast images obtained by scanning transmission electron microscopy combined with computer simulations to map the atomic electrostatic fields of MoS2 monolayers and investigate the effect of sulphur monovacancies and divancancies on the atomic electric field and total charge distribution. A significant redistribution of the electric field in the regions containing defects is observed, with a progressive decrease in the strength of the projected electric field for each sulphur atom removed from its position. The electric field strength at the sulphur monovacancy sites is reduced by approximately 50% and nearly vanishes at the divacancy sites, where it drops to around 15% of the original value, demonstrating the tendency of these defects to attract positively charged ions or particles. In addition, the absence of the sulphur atoms leads to an inversion in the polarity of the total charge distribution in these regions. | por |
dc.description.sponsorship | The authors would like to acknowledge that this project has received funding from the EU Framework Program for Research and Innovation H2020, Scheme COFUND-Cofunding of Regional, National and International Programs, under grant agreement no. 713640. This work was supported by FCT, through IDMEC, under LAETA, project no. UIDB/50022/2020. R.M.R. acknowledges the FCT grant UIDB/FIS/04650/2020-2023. D.A. acknowledges the Presidential Early Career Award for Scientists and Engineers (PECASE) through the Army Research Office (W911NF-16-1-0277) and a National Science Foundation grant (ECCS-1809017). R.M.R. acknowledges support by the Portuguese Foundation for Science and Technology (FCT) in the framework of the Strategic Funding UIDB/04650/2020. | por |
dc.language.iso | eng | por |
dc.publisher | American Chemical Society | por |
dc.relation | info:eu-repo/grantAgreement/EC/H2020/713640/EU | por |
dc.relation | info:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50022%2F2020/PT | por |
dc.relation | info:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04650%2F2020/PT | por |
dc.rights | openAccess | por |
dc.subject | Monolayer molybdenum disulphide | por |
dc.subject | point defects | por |
dc.subject | atomic resolution imaging | por |
dc.subject | differential phase contrast | por |
dc.subject | monolayer molybdenum disulfide | por |
dc.title | Atomic electrostatic maps of point defects in MoS2 | por |
dc.type | article | por |
dc.peerreviewed | yes | por |
dc.relation.publisherversion | https://pubs.acs.org/doi/10.1021/acs.nanolett.1c02334 | por |
oaire.citationStartPage | 10157 | por |
oaire.citationEndPage | 10164 | por |
oaire.citationIssue | 24 | por |
oaire.citationVolume | 21 | por |
dc.identifier.doi | 10.1021/acs.nanolett.1c02334 | por |
dc.identifier.pmid | 34846155 | por |
dc.subject.fos | Ciências Naturais::Ciências Físicas | por |
dc.subject.wos | Science & Technology | por |
sdum.journal | Nano Letters | por |
oaire.version | AM | por |
Aparece nas coleções: | CDF - CEP - Artigos/Papers (with refereeing) |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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Atomic electrostatic maps of point defects in MoS2.pdf | 1,83 MB | Adobe PDF | Ver/Abrir |