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Search for "X-ray spectroscopy" in Full Text gives 195 result(s) in Beilstein Journal of Nanotechnology.

Enhanced photocatalytic activity of Ag–ZnO hybrid plasmonic nanostructures prepared by a facile wet chemical method

  • Sini Kuriakose,
  • Vandana Choudhary,
  • Biswarup Satpati and
  • Satyabrata Mohapatra

Beilstein J. Nanotechnol. 2014, 5, 639–650, doi:10.3762/bjnano.5.75

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  • square of the atomic number Z. Figure 3c shows the STEM-HAADF image of ZnO nanostructures in sample PZ. Energy dispersive X-ray spectroscopy (EDX) data from the regions marked by area 1 in Figure 3c and area 2 in Figure 4c is plotted in Figure 3d for ZnO and Ag–ZnO. The C and Cu signals in the EDX
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Published 15 May 2014

Magnesiothermic conversion of the silica-mineralizing golden algae Mallomonas caudata and Synura petersenii to elemental silicon with high geometric precision

  • Janina Petrack,
  • Steffen Jost,
  • Jens Boenigk and
  • Matthias Epple

Beilstein J. Nanotechnol. 2014, 5, 554–560, doi:10.3762/bjnano.5.65

Graphical Abstract
  • because the formation of silicon was clearly detected by energy dispersive X-ray spectroscopy. Yamada et al. also showed that it is possible to convert magnesium silicide powder with magnesium into silicon [24]. In addition, magnesium silicide reacts with oxygen to magnesium oxide and silicon above 450 °C
  • instrument with gold-palladium-sputtered samples), X-ray diffraction (XRD, Bruker D8 Advance powder diffractometer with Cu Kα-radiation), energy dispersive X-ray spectroscopy (EDX, ESEM Quanta 400 FEG instrument) and infrared spectroscopy (IR, Bruker Alpha-Platinum FTIR-Spectrometer). Scanning electron
  • of water (4.8 wt %). The second is attributed to the combustion of organic matter and also to dehydration of biogenic silica (43.0 wt % in total). The remaining 52.2 wt % of the sample can be assigned to inorganic silica, i.e., the dehydrated mineral ("SiO2"). The results of energy-dispersive X-ray
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Published 30 Apr 2014

Plasma-assisted synthesis and high-resolution characterization of anisotropic elemental and bimetallic core–shell magnetic nanoparticles

  • M. Hennes,
  • A. Lotnyk and
  • S. G. Mayr

Beilstein J. Nanotechnol. 2014, 5, 466–475, doi:10.3762/bjnano.5.54

Graphical Abstract
  • -resolution transmission electron microscopy and energy-dispersive X-ray spectroscopy measurements. An analytical model that relies on classical kinetic gas theory is used to describe the deposition of Cu shell atoms on top of existing Ni cores. Its predictive power and possible implications for the growth of
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Published 14 Apr 2014

One-step synthesis of high quality kesterite Cu2ZnSnS4 nanocrystals – a hydrothermal approach

  • Vincent Tiing Tiong,
  • John Bell and
  • Hongxia Wang

Beilstein J. Nanotechnol. 2014, 5, 438–446, doi:10.3762/bjnano.5.51

Graphical Abstract
  • quantitative elemental analysis of the samples were characterized by field emission scanning electron microscopy (FESEM, JEOL 7001F) at an acceleration voltage of 20.0 kV combined with an energy dispersive X-ray spectroscopy (EDS). Transmission electron microscopy (TEM) images of the samples were performed on
  • respectively, further confirming the phase purity of the material. The atomic ratio of Cu/Zn/Sn/S in the material is 1.97/1.04/1.03/3.96 according to energy dispersive X-ray spectroscopy (EDS) results (see Table 1), which is consistent with the stoichiometric value of 2/1/1/4 of CZTS (by considering the
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Published 09 Apr 2014

In situ growth optimization in focused electron-beam induced deposition

  • Paul M. Weirich,
  • Marcel Winhold,
  • Christian H. Schwalb and
  • Michael Huth

Beilstein J. Nanotechnol. 2013, 4, 919–926, doi:10.3762/bjnano.4.103

Graphical Abstract
  • , sample 2 (optimized for highest conductance) shows by far the highest value of conductance, whereas for sample 3 (optimized for lowest conductance) the lowest value is achieved. For the purpose of characterizing the chemical composition of the different samples energy dispersive X-ray spectroscopy (EDX
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Published 17 Dec 2013

Synthesis and electrochemical performance of Li2Co1−xMxPO4F (M = Fe, Mn) cathode materials

  • Nellie R. Khasanova,
  • Oleg A. Drozhzhin,
  • Stanislav S. Fedotov,
  • Darya A. Storozhilova,
  • Rodion V. Panin and
  • Evgeny V. Antipov

Beilstein J. Nanotechnol. 2013, 4, 860–867, doi:10.3762/bjnano.4.97

Graphical Abstract
  • carried out by Rietveld refinement with the program JANA 2006 [17]. SEM investigation of powdered samples was performed with a JEOL JSM-6490LV scanning electron microscope equipped with an energy dispersive X-ray spectroscopy (EDX) attachment. The electrochemical evaluation was performed in two-electrode
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Published 09 Dec 2013

Synthesis of indium oxi-sulfide films by atomic layer deposition: The essential role of plasma enhancement

  • Cathy Bugot,
  • Nathanaëlle Schneider,
  • Daniel Lincot and
  • Frédérique Donsanti

Beilstein J. Nanotechnol. 2013, 4, 750–757, doi:10.3762/bjnano.4.85

Graphical Abstract
  • dispersive X-ray spectroscopy were performed to characterize the samples. When H2O was used as the oxygen source, the films have structural and optical properties, and the atomic composition of pure In2S3. No pure In2O3 films could be grown by using H2O or O2 plasma. However, In2(S,O)3 films could be
  • correspond to ratios of {50%, 33%, 25%, 10%, 6.7%, 5%} of In2O3 cycles at a deposition temperature of 200 °C. All samples were deposited performing a total of 2000 growth cycles, i.e., 100 supercycles for n = 19, 133 supercycles for n = 14, etc. Energy dispersive X-ray spectroscopy analysis was performed on
  • Empyrean diffractometer while using Cu Kα radiation. X-Ray reflectometry analyses were also performed to confirm thickness measurements. Thin film compositions were obtained by using a Magellan 400L scanning electron microscope provided by FEI. It is equipped with an energy dispersive X-ray spectroscopy
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Published 13 Nov 2013

Ellipsometry and XPS comparative studies of thermal and plasma enhanced atomic layer deposited Al2O3-films

  • Jörg Haeberle,
  • Karsten Henkel,
  • Hassan Gargouri,
  • Franziska Naumann,
  • Bernd Gruska,
  • Michael Arens,
  • Massimo Tallarida and
  • Dieter Schmeißer

Beilstein J. Nanotechnol. 2013, 4, 732–742, doi:10.3762/bjnano.4.83

Graphical Abstract
  • influenced by charged species within the films. Carbon contamination (EDX, XPS, ellipsometry) In order to discuss the integration of carbon atoms into the films we conducted energy dispersive X-ray spectroscopy (EDX), XPS C1s core level spectroscopy, and spectroscopic ellipsometry. The chemical composition
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Published 08 Nov 2013

A facile synthesis of a carbon-encapsulated Fe3O4 nanocomposite and its performance as anode in lithium-ion batteries

  • Raju Prakash,
  • Katharina Fanselau,
  • Shuhua Ren,
  • Tapan Kumar Mandal,
  • Christian Kübel,
  • Horst Hahn and
  • Maximilian Fichtner

Beilstein J. Nanotechnol. 2013, 4, 699–704, doi:10.3762/bjnano.4.79

Graphical Abstract
  • produced from the Fe nanoparticles is encapsulated within the nanotubes or carbon shells. Elemental analysis suggested that the composite consists of 70 wt % of Fe3O4 and 30 wt % of carbon. The energy dispersive X-ray spectroscopy (EDX) patterns by using SEM mode (Figure S1 in Supporting Information File 1
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Published 30 Oct 2013

Evolution of microstructure and related optical properties of ZnO grown by atomic layer deposition

  • Adib Abou Chaaya,
  • Roman Viter,
  • Mikhael Bechelany,
  • Zanda Alute,
  • Donats Erts,
  • Anastasiya Zalesskaya,
  • Kristaps Kovalevskis,
  • Vincent Rouessac,
  • Valentyn Smyntyna and
  • Philippe Miele

Beilstein J. Nanotechnol. 2013, 4, 690–698, doi:10.3762/bjnano.4.78

Graphical Abstract
  • properties of the ZnO films were characterized by scanning electron microscopy (SEM), ellipsometry, energy-dispersive X-ray spectroscopy (EDX), and grazing incidence X-ray diffraction (GIXRD). An Asylum Research MFP-3D atomic force microscope equipped with a commercial silicon tip was operated in the tapping
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Published 28 Oct 2013

3D nano-structures for laser nano-manipulation

  • Gediminas Seniutinas,
  • Lorenzo Rosa,
  • Gediminas Gervinskas,
  • Etienne Brasselet and
  • Saulius Juodkazis

Beilstein J. Nanotechnol. 2013, 4, 534–541, doi:10.3762/bjnano.4.62

Graphical Abstract
  • strength to withstand the wet-bath development. A lengthy one-hour treatment at 70 °C in an ultrasonic bath would be necessary to remove these nano-well structures. The wells are made of Au as confirmed by using energy dispersive X-ray spectroscopy using tilted slices, as shown in the inset of Figure 1c
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Published 17 Sep 2013

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

Graphical Abstract
  • dramatically reduced microphysical changes after electrical operation. Keywords: electron microscopy; memristor; resistance switching; transition-metal oxide; X-ray spectroscopy; Introduction A memristor is a passive electronic element that displays a pinched hysteresis loop in its current–voltage
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Published 07 Aug 2013

Near-field effects and energy transfer in hybrid metal-oxide nanostructures

  • Ulrich Herr,
  • Barat Achinuq,
  • Cahit Benel,
  • Giorgos Papageorgiou,
  • Manuel Goncalves,
  • Johannes Boneberg,
  • Paul Leiderer,
  • Paul Ziemann,
  • Peter Marek and
  • Horst Hahn

Beilstein J. Nanotechnol. 2013, 4, 306–317, doi:10.3762/bjnano.4.34

Graphical Abstract
  • 1000 °C during the process. The composition of the NPs was controlled by energy-dispersive X-ray spectroscopy. Figure 2 shows the X-ray diffraction patterns of the as-prepared TiO2:Eu NPs with varying composition. For Eu concentrations below 0.56 atom % we find predominantly the anatase structure
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Published 14 May 2013

Catalytic activity of nanostructured Au: Scale effects versus bimetallic/bifunctional effects in low-temperature CO oxidation on nanoporous Au

  • Lu-Cun Wang,
  • Yi Zhong,
  • Haijun Jin,
  • Daniel Widmann,
  • Jörg Weissmüller and
  • R. Jürgen Behm

Beilstein J. Nanotechnol. 2013, 4, 111–128, doi:10.3762/bjnano.4.13

Graphical Abstract
  • characterization of samples after the catalytic reaction, which cannot be characterized by the capacitance ratio method. For further characterization of the samples, scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX) measurements were performed to determine the surface morphology
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Published 19 Feb 2013

The morphology of silver nanoparticles prepared by enzyme-induced reduction

  • Henrik Schneidewind,
  • Thomas Schüler,
  • Katharina K. Strelau,
  • Karina Weber,
  • Dana Cialla,
  • Marco Diegel,
  • Roland Mattheis,
  • Andreas Berger,
  • Robert Möller and
  • Jürgen Popp

Beilstein J. Nanotechnol. 2012, 3, 404–414, doi:10.3762/bjnano.3.47

Graphical Abstract
  • by using scanning as well as transmission electron microscopy to examine their structure. Cross sections of silver nanoparticles, prepared for analysis by transmission electron microscopy were additionally studied by energy-dispersive X-ray spectroscopy in order to probe their chemical composition
  • energy-dispersive X-ray spectroscopy (EDX). These studies were performed both on a single-particle level as well as on particle arrangements or films. Results and Discussion In the following we report on investigations of the morphology and the composition of silver nanoparticles generated by means of an
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Published 18 May 2012

Effect of the tip state during qPlus noncontact atomic force microscopy of Si(100) at 5 K: Probing the probe

  • Adam Sweetman,
  • Sam Jarvis,
  • Rosanna Danza and
  • Philip Moriarty

Beilstein J. Nanotechnol. 2012, 3, 25–32, doi:10.3762/bjnano.3.3

Graphical Abstract
  • silicon- rather than tungsten-terminated, and this assumption is supported by a combined scanning electron microscopy (SEM)/energy dispersive X-ray spectroscopy (EDX) study on an STM tip prepared by similar methods. We imaged at constant Δf, maintaining a constant oscillation amplitude (A0). All data
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Published 09 Jan 2012

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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Published 05 Jan 2012

Nanostructured, mesoporous Au/TiO2 model catalysts – structure, stability and catalytic properties

  • Matthias Roos,
  • Dominique Böcking,
  • Kwabena Offeh Gyimah,
  • Gabriela Kucerova,
  • Joachim Bansmann,
  • Johannes Biskupek,
  • Ute Kaiser,
  • Nicola Hüsing and
  • R. Jürgen Behm

Beilstein J. Nanotechnol. 2011, 2, 593–606, doi:10.3762/bjnano.2.63

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  • strong signal of the Au nanoparticles that could therefore be easily detected and measured by simple thresholding of the STEM images. X-ray spectroscopy to determine the composition was carried out using a Philips CM20 TEM operating at 200 kV equipped with an EDAX energy dispersive X-ray SiLi detector
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Published 15 Sep 2011

Platinum nanoparticles from size adjusted functional colloidal particles generated by a seeded emulsion polymerization process

  • Nicolas Vogel,
  • Ulrich Ziener,
  • Achim Manzke,
  • Alfred Plettl,
  • Paul Ziemann,
  • Johannes Biskupek,
  • Clemens K. Weiss and
  • Katharina Landfester

Beilstein J. Nanotechnol. 2011, 2, 459–472, doi:10.3762/bjnano.2.50

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  • , the contact area of particle and substrate is clearly dependent on the initial size of the colloid. Finally, the distribution of the Pt precursor inside the colloidal particle may also play an important role. To clarify this last point, TEM and EDX (energy dispersive X-ray spectroscopy) investigations
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Published 18 Aug 2011

Extended X-ray absorption fine structure of bimetallic nanoparticles

  • Carolin Antoniak

Beilstein J. Nanotechnol. 2011, 2, 237–251, doi:10.3762/bjnano.2.28

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  • backscattering atoms than in the bulk material, although the average composition determined by energy-dispersive X-ray spectroscopy (EDS) is the same for the two samples. This difference is not a conflict between EXAFS and EDS results, but simply reflects the fact that an averaging technique such as EDS does not
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Published 11 May 2011
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