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Search for "near-edge X-ray absorption fine structure (NEXAFS)" in Full Text gives 12 result(s) in Beilstein Journal of Nanotechnology.

Investigation of electron-induced cross-linking of self-assembled monolayers by scanning tunneling microscopy

  • Patrick Stohmann,
  • Sascha Koch,
  • Yang Yang,
  • Christopher David Kaiser,
  • Julian Ehrens,
  • Jürgen Schnack,
  • Niklas Biere,
  • Dario Anselmetti,
  • Armin Gölzhäuser and
  • Xianghui Zhang

Beilstein J. Nanotechnol. 2022, 13, 462–471, doi:10.3762/bjnano.13.39

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  • separation [36][37][38][39][40][41][42]. The interactions between aromatic SAMs and electrons have been studied by X-ray photoelectron spectroscopy (XPS), near-edge X-ray-absorption fine-structure (NEXAFS) technique [43][44][45][46][47][48][49], infrared spectroscopy [43][50][51][52], high-resolution
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Published 25 May 2022

Mobility of charge carriers in self-assembled monolayers

  • Zhihua Fu,
  • Tatjana Ladnorg,
  • Hartmut Gliemann,
  • Alexander Welle,
  • Asif Bashir,
  • Michael Rohwerder,
  • Qiang Zhang,
  • Björn Schüpbach,
  • Andreas Terfort and
  • Christof Wöll

Beilstein J. Nanotechnol. 2019, 10, 2449–2458, doi:10.3762/bjnano.10.235

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  • characterized immediately after the SAM preparation. For the Near-edge X-ray absorption fine structure (NEXAFS) measurements, gold-coated silicon wafer substrates were used. Gold films of 100 nm thickness were evaporated thermally at 453 K under high-vacuum conditions (≈10−7 mbar) with 5 nm titanium as the
  • should be oriented almost perpendicular to the substrate surface and the phenyl groups are tilted to the substrate surface. The quantitative analysis of near-edge X-ray absorption fine structure (NEXAFS) data (Supporting Information File 1, Figure S4) reveals that the anthracene units within the SAMs
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Published 11 Dec 2019

One-step chemical vapor deposition synthesis and supercapacitor performance of nitrogen-doped porous carbon–carbon nanotube hybrids

  • Egor V. Lobiak,
  • Lyubov G. Bulusheva,
  • Ekaterina O. Fedorovskaya,
  • Yury V. Shubin,
  • Pavel E. Plyusnin,
  • Pierre Lonchambon,
  • Boris V. Senkovskiy,
  • Zinfer R. Ismagilov,
  • Emmanuel Flahaut and
  • Alexander V. Okotrub

Beilstein J. Nanotechnol. 2017, 8, 2669–2679, doi:10.3762/bjnano.8.267

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  • was studied by means of X-ray photoelectron spectroscopy (XPS) and near-edge X-ray absorption fine structure (NEXAFS) at the facility of the Russian-German beamline at the Berliner Elektronenspeicherring für Synchrotronstrahlung (BESSY II) station. XPS spectra were measured at an energy of
  • near-edge X-ray absorption fine structure (NEXAFS) N K-edge total-electron yield (TEY) spectra (b) of CNx materials synthesized using Fe/Mo, Ni/Mo, and Co/Mo catalysts. Raman spectra of CNx materials synthesized using Fe/Mo, Co/Mo, and Ni/Mo catalysts (a). Relationship between the ratios of Raman peak
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Published 12 Dec 2017

(Metallo)porphyrins for potential materials science applications

  • Lars Smykalla,
  • Carola Mende,
  • Michael Fronk,
  • Pablo F. Siles,
  • Michael Hietschold,
  • Georgeta Salvan,
  • Dietrich R. T. Zahn,
  • Oliver G. Schmidt,
  • Tobias Rüffer and
  • Heinrich Lang

Beilstein J. Nanotechnol. 2017, 8, 1786–1800, doi:10.3762/bjnano.8.180

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  • layers. The templating effect of the first layer can extend up to tens of nanometers in phthalocyanine layers [61]. In subsequent aging studies and in combination with near edge X-ray absorption fine structure (NEXAFS) spectroscopy we could show that the values of α apparently increase by 4–7° on both
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Published 29 Aug 2017

Effect of the fluorination technique on the surface-fluorination patterning of double-walled carbon nanotubes

  • Lyubov G. Bulusheva,
  • Yuliya V. Fedoseeva,
  • Emmanuel Flahaut,
  • Jérémy Rio,
  • Christopher P. Ewels,
  • Victor O. Koroteev,
  • Gregory Van Lier,
  • Denis V. Vyalikh and
  • Alexander V. Okotrub

Beilstein J. Nanotechnol. 2017, 8, 1688–1698, doi:10.3762/bjnano.8.169

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  • show here that the C–F bond strength is sensitive to surroundings in the addition pattern, which can be controlled through the fluorination method. The preferable fluorine distributions on the DWCNT surface are proposed from quantum-chemical modelling of the fluorine near-edge X-ray absorption fine
  • nanotubes (DWCNTs) are fluorinated using (1) fluorine F2 at 200 °C, (2) gaseous BrF3 at room temperature, and (3) CF4 radio-frequency plasma functionalization. These have been comparatively studied using transmission electron microscopy and infrared, Raman, X-ray photoelectron, and near-edge X-ray
  • absorption fine structure (NEXAFS) spectroscopy. A formation of covalent C–F bonds and a considerable reduction in the intensity of radial breathing modes from the outer shells of DWCNTs are observed for all samples. Differences in the electronic state of fluorine and the C–F vibrations for three kinds of
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Published 15 Aug 2017

Triptycene-terminated thiolate and selenolate monolayers on Au(111)

  • Jinxuan Liu,
  • Martin Kind,
  • Björn Schüpbach,
  • Daniel Käfer,
  • Stefanie Winkler,
  • Wenhua Zhang,
  • Andreas Terfort and
  • Christof Wöll

Beilstein J. Nanotechnol. 2017, 8, 892–905, doi:10.3762/bjnano.8.91

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  • spectroscopy The near-edge X-ray absorption fine structure (NEXAFS) measurements were performed at the dipole beamline HE-SGM of the synchrotron storage ring BESSY II in Berlin (Germany). Spectral acquisition was carried out at the C K-edge in the partial electron yield mode with a retarding voltage of −150 V
  • out of ethanolic solution onto Au(111) surfaces. The resulting films were investigated using a complementary set of spectroscopic methods, namely ultra-high vacuum (UHV) infrared reflection–absorption spectroscopy (IRRAS), X-ray photoelectron spectroscopy (XPS), near-edge X-ray absorption fine
  • structure (NEXAFS) spectroscopy and thermal desorption spectroscopy (TDS). Results Synthesis of Trp1SeAc While the syntheses of the other three target molecules have been described in scientific journals [28][29], Trp1SeAc has until now only been reported in the PhD thesis of one of us (B. S.) [30]. For
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Published 20 Apr 2017

Core-level spectra and molecular deformation in adsorption: V-shaped pentacene on Al(001)

  • Anu Baby,
  • He Lin,
  • Gian Paolo Brivio,
  • Luca Floreano and
  • Guido Fratesi

Beilstein J. Nanotechnol. 2015, 6, 2242–2251, doi:10.3762/bjnano.6.230

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  • hole. This destabilization depends on the ionized carbon atom, inducing a narrowing of the XPS spectrum with respect to the molecules adsorbed hypothetically undistorted, in full agreement to experiments. When looking instead at the near-edge X-ray absorption fine structure (NEXAFS) spectra, individual
  • splitting of the sigma resonances measured along the two in-plane molecular axes. Keywords: aluminum; density functional theory (DFT); near-edge X-ray absorption fine structure (NEXAFS); pentacene; X-ray photoelectron spectroscopy (XPS); Introduction Pentacene has been studied extensively as it is a
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Published 27 Nov 2015

Possibilities and limitations of advanced transmission electron microscopy for carbon-based nanomaterials

  • Xiaoxing Ke,
  • Carla Bittencourt and
  • Gustaaf Van Tendeloo

Beilstein J. Nanotechnol. 2015, 6, 1541–1557, doi:10.3762/bjnano.6.158

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  • is encompassed within the valence-loss region of an EELS spectrum. In combination with theoretical calculations and simulations detailed local information can be obtained. EELS is close to near-edge X-ray absorption fine structure (NEXAFS) analysis used to probe electronic states [88]. One major
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Published 16 Jul 2015

Overview of nanoscale NEXAFS performed with soft X-ray microscopes

  • Peter Guttmann and
  • Carla Bittencourt

Beilstein J. Nanotechnol. 2015, 6, 595–604, doi:10.3762/bjnano.6.61

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  • be analysed. Therefore, analytical tools like near-edge X-ray absorption fine structure (NEXAFS) spectroscopy has to be applied on single nanostructures. Scanning transmission X-ray microscopes (STXM) as well as full-field transmission X-ray microscopes (TXM) allow the required spatial resolution to
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Published 27 Feb 2015

Electron-beam induced deposition and autocatalytic decomposition of Co(CO)3NO

  • Florian Vollnhals,
  • Martin Drost,
  • Fan Tu,
  • Esther Carrasco,
  • Andreas Späth,
  • Rainer H. Fink,
  • Hans-Peter Steinrück and
  • Hubertus Marbach

Beilstein J. Nanotechnol. 2014, 5, 1175–1185, doi:10.3762/bjnano.5.129

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  • nitrosyl, Co(CO)3NO. Different deposits are prepared on silicon nitride membranes and silicon wafers under ultrahigh vacuum conditions, and are studied by scanning electron microscopy (SEM) and scanning transmission X-ray microscopy (STXM), including near edge X-ray absorption fine structure (NEXAFS
  • interferometric control through the focal spot, while the transmitted photon intensity is recorded by using a photo multiplier tube. Near-edge X-ray absorption fine structure (NEXAFS) spectra were recorded by consecutive scanning of the investigated area with varying photon energy. The lateral resolution in
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Published 30 Jul 2014

Characterization of electroforming-free titanium dioxide memristors

  • John Paul Strachan,
  • J. Joshua Yang,
  • L. A. Montoro,
  • C. A. Ospina,
  • A. J. Ramirez,
  • A. L. D. Kilcoyne,
  • Gilberto Medeiros-Ribeiro and
  • R. Stanley Williams

Beilstein J. Nanotechnol. 2013, 4, 467–473, doi:10.3762/bjnano.4.55

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  • technique has been used for previous studies of the single layer TiO2 memristor devices and can identify the presence of spatially-localized channels of oxygen vacancy rich Ti–O phases through analysis of the near-edge X-ray absorption fine structure (NEXAFS) [26]. After electrical operation of the
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Published 07 Aug 2013

X-ray spectroscopy characterization of self-assembled monolayers of nitrile-substituted oligo(phenylene ethynylene)s with variable chain length

  • Hicham Hamoudi,
  • Ping Kao,
  • Alexei Nefedov,
  • David L. Allara and
  • Michael Zharnikov

Beilstein J. Nanotechnol. 2012, 3, 12–24, doi:10.3762/bjnano.3.2

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  • ) SAMs on Au(111). Furthermore, in addition to the STM/AFM characterization, molecular organization in OPE3/Au was probed by infrared-reflection spectroscopy (IRS) [36] and near-edge X-ray absorption fine-structure (NEXAFS) spectroscopy [37]. The average tilt angle of the OPE3 backbone was estimated at
  • procedures. The reference SAMs included those formed from DDT [50], HDT [71], TPT [42][43], and NC-BPT [30]. The SAMs were characterized by several complementary spectroscopic techniques, viz., high-resolution X-ray photoelectron spectroscopy (HRXPS), angle-resolved near-edge X-ray absorption fine-structure
  • (NEXAFS) spectroscopy and infrared reflection spectroscopy (IRS). The HRXPS and NEXAFS spectroscopy experiments were conducted at the bending magnet beamline D1011 (plane-grating monochromator) of the synchrotron storage ring MAX II at MAX-Lab in Lund, Sweden. We used an experimental station equipped with
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Published 05 Jan 2012
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