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Search for "photoelectron spectroscopy" in Full Text gives 331 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Graphene composites with dental and biomedical applicability

  • Sharali Malik,
  • Felicite M. Ruddock,
  • Adam H. Dowling,
  • Kevin Byrne,
  • Wolfgang Schmitt,
  • Ivan Khalakhan,
  • Yoshihiro Nemoto,
  • Hongxuan Guo,
  • Lok Kumar Shrestha,
  • Katsuhiko Ariga and
  • Jonathan P. Hill

Beilstein J. Nanotechnol. 2018, 9, 801–808, doi:10.3762/bjnano.9.73

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  • of 40 N/m. Image processing was carried out using the Nanoscope software. The X-ray photoelectron spectroscopy (XPS) measurements were performed on a Theta Probe spectrometer (Thermo Electron Co., Germany) using monochromatic Al Kα radiation (photon energy of 15 keV with maximum energy resolution of
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Published 05 Mar 2018

A review of carbon-based and non-carbon-based catalyst supports for the selective catalytic reduction of nitric oxide

  • Shahreen Binti Izwan Anthonysamy,
  • Syahidah Binti Afandi,
  • Mehrnoush Khavarian and
  • Abdul Rahman Bin Mohamed

Beilstein J. Nanotechnol. 2018, 9, 740–761, doi:10.3762/bjnano.9.68

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  • following [49]. In particular, the catalyst active phases before and after SCR-NH3 reaction are typically characterised by: atomic absorption spectroscopy (AAS) X-ray fluorescence spectroscopy (XRF) electron paramagnetic resonance (EPR) X-ray photoelectron spectroscopy (XPS) temperature-programmed reduction
  • spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), and temperature-programmed desorption (TPD), the comparison of the properties for both ACFP and ACFN was clarified. Chuang et al. [18] considered three different methods, i.e., impregnation, polyol, and microwave-heated polyol methods for the
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Published 27 Feb 2018

Anchoring Fe3O4 nanoparticles in a reduced graphene oxide aerogel matrix via polydopamine coating

  • Błażej Scheibe,
  • Radosław Mrówczyński,
  • Natalia Michalak,
  • Karol Załęski,
  • Michał Matczak,
  • Mateusz Kempiński,
  • Zuzanna Pietralik,
  • Mikołaj Lewandowski,
  • Stefan Jurga and
  • Feliks Stobiecki

Beilstein J. Nanotechnol. 2018, 9, 591–601, doi:10.3762/bjnano.9.55

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  • Fourier Transform Infrared (FTIR) spectroscopy (Bruker Optics, TENSOR 27) equipped with a MCT detector and globar source. The chemical composition of the samples was studied using X-ray photoelectron spectroscopy (XPS). The measurements were performed in an ultra-high vacuum (UHV) chamber using a
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Published 15 Feb 2018

Fabrication and photoactivity of ionic liquid–TiO2 structures for efficient visible-light-induced photocatalytic decomposition of organic pollutants in aqueous phase

  • Anna Gołąbiewska,
  • Marta Paszkiewicz-Gawron,
  • Aleksandra Sadzińska,
  • Wojciech Lisowski,
  • Ewelina Grabowska,
  • Adriana Zaleska-Medynska and
  • Justyna Łuczak

Beilstein J. Nanotechnol. 2018, 9, 580–590, doi:10.3762/bjnano.9.54

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  • photoelectron spectroscopy (XPS), diffuse reflectance spectroscopy (DRS), scanning transmission microscopy (STEM) and the Brunauer–Emmett–Teller (BET) surface area method, whereas the photocatalytic activity was evaluated by the degradation of phenol in aqueous solution under visible light irradiation (λ > 420
  • ). X-ray photoelectron spectroscopy (XPS) experiments were performed on a PHI 5000 VersaProbeTM (ULVAC-PHI) spectrometer with monochromatic Al Kα radiation (hν = 1486.6 eV). The high-resolution (HR) XPS spectra were collected by the hemispherical analyzer at a pass energy of 23.5 eV and an energy step
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Published 14 Feb 2018

Electron interactions with the heteronuclear carbonyl precursor H2FeRu3(CO)13 and comparison with HFeCo3(CO)12: from fundamental gas phase and surface science studies to focused electron beam induced deposition

  • Ragesh Kumar T P,
  • Paul Weirich,
  • Lukas Hrachowina,
  • Marc Hanefeld,
  • Ragnar Bjornsson,
  • Helgi Rafn Hrodmarsson,
  • Sven Barth,
  • D. Howard Fairbrother,
  • Michael Huth and
  • Oddur Ingólfsson

Beilstein J. Nanotechnol. 2018, 9, 555–579, doi:10.3762/bjnano.9.53

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  • molecules in FEBID, UHV-surface science studies have been performed, in which nanoscale thin films of precursor molecules adsorbed onto inert substrates were irradiated with 500 eV electrons. Changes in the composition and bonding in the film have been analyzed with X-ray photoelectron spectroscopy (XPS
  • monitored in situ by X-ray photoelectron spectroscopy (XPS) and mass spectrometry. Figure 9 shows the evolution of the O 1s, Fe 2p and Ru 3d/C 1s XPS regions of a nanometer-thick film of H2FeRu3(CO)13 adsorbed onto a gold substrate at 213 K, plotted as a function of increasing electron dose. Area analysis
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Published 14 Feb 2018

Single-step process to improve the mechanical properties of carbon nanotube yarn

  • Maria Cecilia Evora,
  • Xinyi Lu,
  • Nitilaksha Hiremath,
  • Nam-Goo Kang,
  • Kunlun Hong,
  • Roberto Uribe,
  • Gajanan Bhat and
  • Jimmy Mays

Beilstein J. Nanotechnol. 2018, 9, 545–554, doi:10.3762/bjnano.9.52

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  • by X-ray photoelectron spectroscopy (XPS), Raman spectroscopy and scanning electron microscopy (SEM). The best improvement in mechanical properties was achieved on a sample treated with an aqueous solution of AA and subsequent irradiation. CNT yarn treatment with AA enhanced the strength (444.5
  • . Characterization Surface chemical composition and bonding were analyzed by X-ray photoelectron spectroscopy (XPS) using a Thermo Scientific K-Alpha instrument. The K-Alpha uses Al Kα X-rays focused to a spot 400 μm in diameter. Emitted photoelectrons were energy analyzed using a 180° double focusing hemispherical
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Published 13 Feb 2018

Ultralight super-hydrophobic carbon aerogels based on cellulose nanofibers/poly(vinyl alcohol)/graphene oxide (CNFs/PVA/GO) for highly effective oil–water separation

  • Zhaoyang Xu,
  • Huan Zhou,
  • Sicong Tan,
  • Xiangdong Jiang,
  • Weibing Wu,
  • Jiangtao Shi and
  • Peng Chen

Beilstein J. Nanotechnol. 2018, 9, 508–519, doi:10.3762/bjnano.9.49

Graphical Abstract
  • photoelectron spectroscopy was carried out (Figure 5a). The higher C/O ratio of rGO revealed the effective reduction during the thiolation reaction, which was verified more clearly in the high-resolution C 1s core-level spectra shown in Figure 5b and 5c. The typical C 1s core-level spectrum was divided into
  • , Q 50 TA Instruments, USA). The X-ray photoelectron spectrometry spectra results were carried out using X-ray photoelectron spectroscopy (XPS, AXIS UltraDLD, USA). The absorption capacity of the CNF/PVA/GO carbon aerogels was measured by immersing the carbon aerogels into various organic reagents and
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Published 12 Feb 2018

Influence of the preparation method on the photocatalytic activity of Nd-modified TiO2

  • Patrycja Parnicka,
  • Paweł Mazierski,
  • Tomasz Grzyb,
  • Wojciech Lisowski,
  • Ewa Kowalska,
  • Bunsho Ohtani,
  • Adriana Zaleska-Medynska and
  • Joanna Nadolna

Beilstein J. Nanotechnol. 2018, 9, 447–459, doi:10.3762/bjnano.9.43

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  • (SHT) methods. The as-prepared samples were characterized by X-ray diffraction (XRD), BET surface area measurements, scanning electron microscopy (SEM), diffuse reflectance spectroscopy (DRS), luminescence spectroscopy and X-ray photoelectron spectroscopy (XPS). The photocatalytic activity of the
  • Instrument PIXIS:256E digital CCD camera, equipped with a SP-2156 Imaging Spectrograph and an Opolette 355LD UVDM tunable laser as the excitation source. X-ray photoelectron spectroscopy (XPS) measurements were used for chemical characterization of the Nd-TiO2 composites surface. The high-resolution (HR) XPS
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Published 06 Feb 2018

Engineering of oriented carbon nanotubes in composite materials

  • Razieh Beigmoradi,
  • Abdolreza Samimi and
  • Davod Mohebbi-Kalhori

Beilstein J. Nanotechnol. 2018, 9, 415–435, doi:10.3762/bjnano.9.41

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  • ]) effects on the application and quality of composites. For this aim, many techniques have been developed such as Raman spectroscopy, Fourier-transforms infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS). Raman spectroscopy: Raman spectroscopy is a powerful tool to identify and quantify
  • , many researchers indicate that the macroscopic optical properties of CNTs depend on the tube orientation with respect to the direction of beam propagation. Thus, FTIR results can be related to the morphology of the CNT mixture such as bundling, length and straightness [125]. X-ray photoelectron
  • spectroscopy: The XPS technique does not explore the whole sample volume but rather provides information about the chemical composition of the CNT surface [144][145]. XPS suffers from surface charge artifacts, so correct sample preparation is crucial to achieve a flat and uncontaminated surface. Despite the
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Published 05 Feb 2018

Sugarcane juice derived carbon dot–graphitic carbon nitride composites for bisphenol A degradation under sunlight irradiation

  • Lan Ching Sim,
  • Jing Lin Wong,
  • Chen Hong Hak,
  • Jun Yan Tai,
  • Kah Hon Leong and
  • Pichiah Saravanan

Beilstein J. Nanotechnol. 2018, 9, 353–363, doi:10.3762/bjnano.9.35

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  • urea and sugarcane juice as starting materials. The chemical composition, morphological structure and optical properties of the composites and CDs were characterized using various spectroscopic techniques as well as transmission electron microscopy. X-ray photoelectron spectroscopy (XPS) results
  • (PL), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), etc. The influence of the weight percentage of CDs and a scavenging experiment were carried out to illustrate the potential degradation mechanisms. Overall, the incorporation of CDs into g-C3N4 was efficient towards
  • and it was concluded that CDs are favorable for the separation of charge carriers, but the increasing concentration of CDs could lead to inefficiency of charge separation [46]. X-ray photoelectron spectroscopy (XPS) analysis The XPS spectra in Figure 4a–c reveal the surface composition and chemical
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Published 30 Jan 2018

BN/Ag hybrid nanomaterials with petal-like surfaces as catalysts and antibacterial agents

  • Konstantin L. Firestein,
  • Denis V. Leybo,
  • Alexander E. Steinman,
  • Andrey M. Kovalskii,
  • Andrei T. Matveev,
  • Anton M. Manakhov,
  • Irina V. Sukhorukova,
  • Pavel V. Slukin,
  • Nadezda K. Fursova,
  • Sergey G. Ignatov,
  • Dmitri V. Golberg and
  • Dmitry V. Shtansky

Beilstein J. Nanotechnol. 2018, 9, 250–261, doi:10.3762/bjnano.9.27

Graphical Abstract
  • -ray photoelectron spectroscopy (XPS) using an Axis Supra (Kratos Analytical) spectrometer. The powder samples were attached to the carbon tape covered with glue. The maximum lateral dimension of the analyzed area was 0.7 mm. To avoid differential charging of samples, the spectra were acquired with
  • vapours, and (ii) ultraviolet (UV) decomposition of AgNO3 in a suspension of BN NPs. The hybrid microstructures were studied by high-resolution transmission electron microscopy (HRTEM), high-angular dark field scanning TEM imaging paired with energy dispersion X-ray (EDX) mapping, X-ray photoelectron
  • spectroscopy (XPS), and infrared spectroscopy (FTIR). They were also characterized in terms of thermal stability, Ag+ ion release, catalytic and antibacterial activities. The materials synthesized via UV decomposition of AgNO3 demonstrated a much better catalytic activity in comparison to those prepared using
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Published 23 Jan 2018

Bombyx mori silk/titania/gold hybrid materials for photocatalytic water splitting: combining renewable raw materials with clean fuels

  • Stefanie Krüger,
  • Michael Schwarze,
  • Otto Baumann,
  • Christina Günter,
  • Michael Bruns,
  • Christian Kübel,
  • Dorothée Vinga Szabó,
  • Rafael Meinusch,
  • Verónica de Zea Bermudez and
  • Andreas Taubert

Beilstein J. Nanotechnol. 2018, 9, 187–204, doi:10.3762/bjnano.9.21

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  • with carbon using a Polaron CC7650 Carbon Coater, or, alternatively, deposited directly on the carbon glue pad using PLANOCARBON and sputtered with Pd/Au using a SC7620 Mini Sputter Coater. X-ray photoelectron spectroscopy (XPS) measurements were done on a K-Alpha+ XPS instrument (Thermo Fisher
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Published 17 Jan 2018

Co-reductive fabrication of carbon nanodots with high quantum yield for bioimaging of bacteria

  • Jiajun Wang,
  • Xia Liu,
  • Gesmi Milcovich,
  • Tzu-Yu Chen,
  • Edel Durack,
  • Sarah Mallen,
  • Yongming Ruan,
  • Xuexiang Weng and
  • Sarah P. Hudson

Beilstein J. Nanotechnol. 2018, 9, 137–145, doi:10.3762/bjnano.9.16

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  • , leading to high quantum yield C-dots. The obtained C-dots are well-dispersed with a uniform size and a graphite-like structure. A synergistic reduction mechanism was investigated using Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The findings show that using both thiourea
  • have additional –NH3+ and sulphur-containing groups, such as S–H and C–S. The weak peak at 1665 cm−1 of Sb indicates an effective reduction of C=O groups. The chemical composition of the C-dots was further characterized by X-ray photoelectron spectroscopy (XPS) (Figure 4). The C 1s spectra can be
  • was focused to a spot approximately 2 μm in diameter with a 50× microscope objective; the accumulation time was 10 s. Raman spectra were collected from several randomly selected positions on the substrate. Further evidence of the product composition was inferred by means of X-ray photoelectron
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Published 12 Jan 2018

Dry adhesives from carbon nanofibers grown in an open ethanol flame

  • Christian Lutz,
  • Julia Syurik,
  • C. N. Shyam Kumar,
  • Christian Kübel,
  • Michael Bruns and
  • Hendrik Hölscher

Beilstein J. Nanotechnol. 2017, 8, 2719–2728, doi:10.3762/bjnano.8.271

Graphical Abstract
  • substrate directly on carbon-coated copper grids (Quantifoil). Raman spectroscopy was performed with an excitation wavelength of 532 nm (Renishaw inVia Raman microscope). X-ray photoelectron spectroscopy (XPS) measurements were performed using a K-Alpha+ XPS instrument (Thermo Fisher Scientific, East
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Published 15 Dec 2017

L-Lysine-grafted graphene oxide as an effective adsorbent for the removal of methylene blue and metal ions

  • Yan Yan,
  • Jie Li,
  • Fangbei Kong,
  • Kuankuan Jia,
  • Shiyu He and
  • Baorong Wang

Beilstein J. Nanotechnol. 2017, 8, 2680–2688, doi:10.3762/bjnano.8.268

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  • properties of Lys-GO were characterized using infrared spectrometry, scanning electronic microscopy and X-ray photoelectron spectroscopy. The as-prepared Lys-GO material was systematically investigated in a series of batch adsorption experiments for the removal of methylene blue (MB) and copper ions (Cu2
  • Sinopharm Chemical Reagent Co. Ltd. (Shanghai China). The deionized (DI) water used throughout all experiments was purified to 18.2 MΩ·cm with the Millipore system. Lys-GO was characterized by scanning electron microscopy (SEM, AJEOL JSM-6510LV, JAPAN) and X-ray photoelectron spectroscopy (XPS, Kratos XSAM
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Published 13 Dec 2017

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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  • the nanotube growth in a carbon-containing gas environment. An analysis of the obtained products by means of transmission electron microscopy, thermogravimetry and X-ray photoelectron spectroscopy methods revealed that the catalyst's composition influences the nanotube/porous carbon ratio and
  • 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
  • synthesized using Co/Mo (a), Ni/Mo (b) and Fe/Mo (c) catalysts. The curves have been fitted by three components, assigned to different carbon species. X-ray diffraction patterns of CNx materials synthesized using Co/Mo, Ni/Mo and Fe/Mo catalysts. X-ray photoelectron spectroscopy (XPS) N 1s spectra (a) and
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Published 12 Dec 2017

Patterning of supported gold monolayers via chemical lift-off lithography

  • Liane S. Slaughter,
  • Kevin M. Cheung,
  • Sami Kaappa,
  • Huan H. Cao,
  • Qing Yang,
  • Thomas D. Young,
  • Andrew C. Serino,
  • Sami Malola,
  • Jana M. Olson,
  • Stephan Link,
  • Hannu Häkkinen,
  • Anne M. Andrews and
  • Paul S. Weiss

Beilstein J. Nanotechnol. 2017, 8, 2648–2661, doi:10.3762/bjnano.8.265

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  • useful properties [14][15][16][17][18]. Here, we have investigated Au–alkanethiolate layers on PDMS that were produced during CLL specifically for their 2D material properties. The existence of Au on the PDMS stamp following lift-off was initially discovered using X-ray photoelectron spectroscopy (XPS
  • on the Au-on-Si substrate, from which Au complexes were removed, appeared as recessed circles, demonstrating that lift-off occurred in a chemically selective manner. The X-ray photoelectron spectroscopy (XPS) spectra of patterned PDMS illustrated the presence of Au in the regions predominantly
  • under dry or aqueous conditions. Deionized water drops were pipetted onto the PDMS side of glass substrates to cover the ultrathin Au patterns for imaging under aqueous conditions. X-ray photoelectron spectroscopy The XPS spectra were acquired on an AXIS Ultra DLD instrument (Kratos Analytical Inc
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Published 08 Dec 2017

Amplified cross-linking efficiency of self-assembled monolayers through targeted dissociative electron attachment for the production of carbon nanomembranes

  • Sascha Koch,
  • Christopher D. Kaiser,
  • Paul Penner,
  • Michael Barclay,
  • Lena Frommeyer,
  • Daniel Emmrich,
  • Patrick Stohmann,
  • Tarek Abu-Husein,
  • Andreas Terfort,
  • D. Howard Fairbrother,
  • Oddur Ingólfsson and
  • Armin Gölzhäuser

Beilstein J. Nanotechnol. 2017, 8, 2562–2571, doi:10.3762/bjnano.8.256

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  • nanomembrane; dissociative electron attachment; dissociative ionization; helium ion microscopy; self-assembled monolayers; X-ray photoelectron spectroscopy; Introduction Carbon nanomembranes (CNMs) are two-dimensional molecular sheets with a thickness of one to a few nanometers, high mechanical strength, and
  • 50 eV. Cross-linking of the molecular layers and the formation of mechanically stable carbon nanomembranes (CNMs) was then monitored through X-ray photoelectron spectroscopy (XPS) during the irradiation process. This enables the transition of the SAMs into CNMs to be observed and allows the
  • approximately 1:0.7:0.6. Inspired by these results, self-assembled monolayers (SAMs) of the respective biphenyl-4-thiols, 2-Cl-BPT, 2-Br-BPT, 2-I-BPT as well as BPT, were grown on a Au(111) substrate and exposed to 50 eV electrons. The effect of electron irradiation was investigated by X-ray photoelectron
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Published 30 Nov 2017

Synthesis of metal-fluoride nanoparticles supported on thermally reduced graphite oxide

  • Alexa Schmitz,
  • Kai Schütte,
  • Vesko Ilievski,
  • Juri Barthel,
  • Laura Burk,
  • Rolf Mülhaupt,
  • Junpei Yue,
  • Bernd Smarsly and
  • Christoph Janiak

Beilstein J. Nanotechnol. 2017, 8, 2474–2483, doi:10.3762/bjnano.8.247

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  • identified by powder X-ray diffraction (PXRD) to be MF2 for M = Fe, Co and MF3 for M = Eu, Pr. The diameters and size distributions of MFx@TRGO were from (6 ± 2) to (102 ± 41) nm. Energy-dispersive X-ray spectroscopy (EDX) and X-ray photoelectron spectroscopy (XPS) were used for further characterization of
  • analyses see Supporting Information File 1 (Figures S1–S3, Tables S1–S7). X-ray photoelectron spectroscopy, XPS-(ESCA), measurements were performed with a Fisons/VG Scientific ESCALAB 200X spectrometer, operating at room temperature at a pressure of 1.0 × 10−8 bar and a sample angle of 30°. Spectra were
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Published 22 Nov 2017

Towards molecular spintronics

  • Georgeta Salvan and
  • Dietrich R. T. Zahn

Beilstein J. Nanotechnol. 2017, 8, 2464–2466, doi:10.3762/bjnano.8.245

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  • molecules; (magneto-)optical spectroscopy; molecular spintronics; photoelectron spectroscopy; surface science; thin films; The discovery of tunneling and giant magnetoresistance in inorganic spin valves has led to a revolution in the field of magnetic memory and the significant increase in the storage
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Published 21 Nov 2017

Au nanostructure fabrication by pulsed laser deposition in open air: Influence of the deposition geometry

  • Rumen G. Nikov,
  • Anna Og. Dikovska,
  • Nikolay N. Nedyalkov,
  • Georgi V. Avdeev and
  • Petar A. Atanasov

Beilstein J. Nanotechnol. 2017, 8, 2438–2445, doi:10.3762/bjnano.8.242

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  • ). Goniometric scans for phase identification were recorded in the 2θ interval of 20–80° using a Philips PW 1050 diffractometer equipped with a Cu Kα tube and a scintillation detector. The composition of the material deposited on the substrate was determined by X-ray photoelectron spectroscopy (XPS) by means of
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Published 17 Nov 2017

Fabrication of CeO2–MOx (M = Cu, Co, Ni) composite yolk–shell nanospheres with enhanced catalytic properties for CO oxidation

  • Ling Liu,
  • Jingjing Shi,
  • Hongxia Cao,
  • Ruiyu Wang and
  • Ziwu Liu

Beilstein J. Nanotechnol. 2017, 8, 2425–2437, doi:10.3762/bjnano.8.241

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  • CeO2–NiO, generate more surface oxygen vacancies than pure CeO2. In order to obtain detailed information about the chemical bonding states of the as-prepared CeO2–MOx yolk-shell nanospheres, X-ray photoelectron spectroscopy (XPS) analyses were carried out and the results are shown in Figure 7. As shown
  • laser of 532 nm. Surface analysis was obtained by an X-ray photoelectron spectroscopy (XPS, Thermo ESCALAB 250Xi) with Al Kα radiation. All binding energies were corrected for surface charging by use of the C 1s peak (284.8 eV) of adventitious carbon as reference. The M contents in CeO2–MOx samples were
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Published 16 Nov 2017

Comprehensive investigation of the electronic excitation of W(CO)6 by photoabsorption and theoretical analysis in the energy region from 3.9 to 10.8 eV

  • Mónica Mendes,
  • Khrystyna Regeta,
  • Filipe Ferreira da Silva,
  • Nykola C. Jones,
  • Søren Vrønning Hoffmann,
  • Gustavo García,
  • Chantal Daniel and
  • Paulo Limão-Vieira

Beilstein J. Nanotechnol. 2017, 8, 2208–2218, doi:10.3762/bjnano.8.220

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  • ]. Nanometre-thick films of surface-adsorbed W(CO)6 irradiated at 500 eV electron impact energy were analysed in situ by X-ray photoelectron spectroscopy (XPS), mass spectrometry and reflective absorption infrared spectroscopy (RAIRS) measurements [23]. These studies on electron-stimulated reactions of surface
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Published 23 Oct 2017

Ta2N3 nanocrystals grown in Al2O3 thin layers

  • Krešimir Salamon,
  • Maja Buljan,
  • Iva Šarić,
  • Mladen Petravić and
  • Sigrid Bernstorff

Beilstein J. Nanotechnol. 2017, 8, 2162–2170, doi:10.3762/bjnano.8.215

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  • magnetron deposition at room temperature and characterized using grazing incidence small-angle X-ray scattering (GISAXS), X-ray reflectivity (XRR), grazing incidence X-ray diffraction (GIXRD), secondary ion mass spectrometry (SIMS) and X-ray photoelectron spectroscopy (XPS). We found amorphous tantalum
  • spectrometry (SIMS) and X-ray photoelectron spectroscopy (XPS). Experimental The films were grown as periodic multilayers by using the magnetron sputter deposition system KJLC CMS-18. In order to obtain tantalum nitride, the depositions were carried out in a reactive atmosphere containing 20% N2 and 80% Ar
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Published 16 Oct 2017

Identifying the nature of surface chemical modification for directed self-assembly of block copolymers

  • Laura Evangelio,
  • Federico Gramazio,
  • Matteo Lorenzoni,
  • Michaela Gorgoi,
  • Francisco Miguel Espinosa,
  • Ricardo García,
  • Francesc Pérez-Murano and
  • Jordi Fraxedas

Beilstein J. Nanotechnol. 2017, 8, 1972–1981, doi:10.3762/bjnano.8.198

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  • the block copolymers. We have chosen hard X-ray high kinetic energy photoelectron spectroscopy as an exploration technique because it provides information on the electronic structure of buried interfaces. The outcome of the characterization sheds light onto key aspects of directed self-assembly
  • photoelectron spectroscopy (HAXPES) [14]. Photoemission is a well-known technique which provides information on the electronic structure of surfaces. Its high surface sensitivity arises from the small mean free path of the outcoming photoelectrons in solid matter. Using conventional excitation sources, kinetic
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Published 21 Sep 2017
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