In situ topographical chemical and electrical imaging of carboxyl graphene oxide at the nanoscale

Autor: Weitao Su, Naresh Kumar, Andrey Krayev, Marc Chaigneau

Publikováno v: Nature Communications, Vol 9, Iss 1, Pp 1-7 (2018)

Mapping the distribution of functional groups on 2D materials with high resolution remains challenging. Here, the authors combine tip-enhanced Raman spectroscopy and Kelvin probe force microscopy to simultaneously examine the topography, chemical com

Externí odkaz: https://doaj.org/article/5761e5f577ac4cc0be1c329980edc1f7

Free exciton and bound excitons on Pb and I vacancies and O and I substituting defects in PbI2: Photoluminescence and DFT calculations

Autor: Sergii Golovynskyi, Oleksandr I. Datsenko, Muhammad Usman, Ana I. Pérez-Jiménez, Marc Chaigneau, Matteo Bosi, Luca Seravalli, Tarek Hidouri, Iuliia Golovynska, Baikui Li, Honglei Wu

Publikováno v: Applied Surface Science. 624:157128

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6576d23bff523829106f8b35f8977c99
https://doi.org/10.1016/j.apsusc.2023.157128

Visualising structural modification of patterned graphene nanoribbons using tip-enhanced Raman spectroscopy

Autor: Ophélie Lancry, Marc Chaigneau, Naresh Kumar, Weitao Su, Jiaqi Shao, Ali Esfandiar

Publikováno v: Chemical Communications. 57:6895-6898

Graphene nanoribbons (GNRs) fabricated using electron beam lithography are investigated using tip-enhanced Raman spectroscopy (TERS) with a spatial resolution of 5 nm under ambient conditions. High-resolution TERS imaging reveals a structurally modif

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd881984f0ff1c8a341393aa45f43a37
https://doi.org/10.1039/d1cc01769a

Nanometer-Scale Uniform Conductance Switching in Molecular Memristors

Autor: Marc Chaigneau, Manohar Lal, Sreebrata Goswami, Ariando, Santi Prasad Rath, R. Stanley Williams, Debalina Deb, Agnès Tempez, Sreetosh Goswami, Thirumalai Venkatesan

Publikováno v: Advanced materials (Deerfield Beach, Fla.). 32(42)

One common challenge highlighted in almost every review article on organic resistive memory is the lack of areal switching uniformity. This, in fact, is a puzzle because a molecular switching mechanism should ideally be isotropic and produce homogene

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1508a1864a3e55f7a99df0eed0a8437b
https://pubmed.ncbi.nlm.nih.gov/32893411

Probing the nanoscale light emission properties of a CVD-grown MoS2monolayer by tip-enhanced photoluminescence

Autor: Yoshito Okuno, Filippo Fabbri, Agnès Tempez, Matteo Bosi, Marc Chaigneau, Cristina Cairone, Ophélie Lancry

Publikováno v: Nanoscale
info:cnr-pdr/source/autori:Okuno, Yoshito; Lancry, Ophélie; Tempez, Agnès; Cairone, Cristina; Bosi, Matteo; Fabbri, Filippo; Chaigneau, Marc/titolo:Probing the nanoscale light emission properties of a CVD-grown MoS2<%2Finf> monolayer by tip-enhanced photoluminescence/doi:10.1039%2Fc8nr02421a/rivista:Nanoscale (Print)/anno:2018/pagina_da:14055/pagina_a:14059/intervallo_pagine:14055–14059/volume:10

[object Object]Two-dimensional transition metal dichalcogenides are gaining increasing interest due to their promising optical properties. In particular, molybdenum disulfide (MoS2) which displays a band-gap change from indirect at 1.29 eV for bulk m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c200806005499b5cec86e07b9ef7dda8
https://doi.org/10.1039/c8nr02421a