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Search for "disorder" in Full Text gives 172 result(s) in Beilstein Journal of Nanotechnology.

Grain boundaries and coincidence site lattices in the corneal nanonipple structure of the Mourning Cloak butterfly

  • Ken C. Lee and
  • Uwe Erb

Beilstein J. Nanotechnol. 2013, 4, 292–299, doi:10.3762/bjnano.4.32

Graphical Abstract
  • : 6,000×). Topological disorder in the hexagonal nipple structure showing two pairs of 5–7 (“•”–“X”) coordination defects (magnification: 52,000×). Examples of Σ13 grain boundaries between crystals (domains) in the nipple structure consisting of rows of 5–7 coordination-defects. White circles indicate
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Published 02 May 2013

Photoelectrochemical and Raman characterization of In2O3 mesoporous films sensitized by CdS nanoparticles

  • Mikalai V. Malashchonak,
  • Sergey K. Poznyak,
  • Eugene A. Streltsov,
  • Anatoly I. Kulak,
  • Olga V. Korolik and
  • Alexander V. Mazanik

Beilstein J. Nanotechnol. 2013, 4, 255–261, doi:10.3762/bjnano.4.27

Graphical Abstract
  • these peaks in the Raman spectra can testify to the fact that the samples studied contain not only In2O3 and CdS, but also some additional phases formed during the SILAR process. High values of the FWHM of the LO phonon peak can point to both a significant degree of CdS nanocrystal disorder and size
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Published 11 Apr 2013

Influence of diffusion on space-charge-limited current measurements in organic semiconductors

  • Thomas Kirchartz

Beilstein J. Nanotechnol. 2013, 4, 180–188, doi:10.3762/bjnano.4.18

Graphical Abstract
  • are generally disordered materials, it is important to investigate the effects of energetic disorder on the results of our simulations. In order to take the effect of disorder into account, a multiple trapping model together with exponential band tails is used in some simulations (Figure 3 and Figure
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Published 11 Mar 2013

Functionalization of vertically aligned carbon nanotubes

  • Eloise Van Hooijdonk,
  • Carla Bittencourt,
  • Rony Snyders and
  • Jean-François Colomer

Beilstein J. Nanotechnol. 2013, 4, 129–152, doi:10.3762/bjnano.4.14

Graphical Abstract
  • membrane. Feng et al. [140] opted for a polyaniline (PANI) matrix. This material is one of the most conducting polymers (Figure 18). Synthesis and characterization of conducting polymer polyaniline nanofibers was reported by Huang [141]. The major issue related to great disorder of the functionalized
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Published 22 Feb 2013

Pure hydrogen low-temperature plasma exposure of HOPG and graphene: Graphane formation?

  • Baran Eren,
  • Dorothée Hug,
  • Laurent Marot,
  • Rémy Pawlak,
  • Marcin Kisiel,
  • Roland Steiner,
  • Dominik M. Zumbühl and
  • Ernst Meyer

Beilstein J. Nanotechnol. 2012, 3, 852–859, doi:10.3762/bjnano.3.96

Graphical Abstract
  • intervalley double-resonance Raman process that is initiated only by a deviation from the defectless two-dimensional character [23][24][26]. On account of this, both hydrogenation and any kind of disorder manifest themselves as the rise of this peak, and a distinction between these two phenomena is not
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Published 13 Dec 2012

Focused electron beam induced deposition: A perspective

  • Michael Huth,
  • Fabrizio Porrati,
  • Christian Schwalb,
  • Marcel Winhold,
  • Roland Sachser,
  • Maja Dukic,
  • Jonathan Adams and
  • Georg Fantner

Beilstein J. Nanotechnol. 2012, 3, 597–619, doi:10.3762/bjnano.3.70

Graphical Abstract
  • theory is not applicable since disorder does not simply cause scattering but must be included in the theoretical analysis from the beginning. A recent theoretical review on the electronic transport properties of granular metals can be found in [12]. The electrical transport within the metallic grains can
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Published 29 Aug 2012

P-wave Cooper pair splitting

  • Henning Soller and
  • Andreas Komnik

Beilstein J. Nanotechnol. 2012, 3, 493–500, doi:10.3762/bjnano.3.56

Graphical Abstract
  • . Disorder for the case of tunnel contacts was considered by using the Keldysh–Usadel formalism in [65], [66] and [67]. Additionally we want to point out that the description of spin-active scattering used here and in [63] and [29] is different: In the previous works the spin-mixing angle is introduced as a
  • level considered here, are present and have a characteristic location and width associated with interactions. Therefore the general scenario should be robust. However, one should bear in mind that for more extended quantum dots or nanowires disorder could play an important role as mentioned in [65] and
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Published 06 Jul 2012

Mapping mechanical properties of organic thin films by force-modulation microscopy in aqueous media

  • Jianming Zhang,
  • Zehra Parlak,
  • Carleen M. Bowers,
  • Terrence Oas and
  • Stefan Zauscher

Beilstein J. Nanotechnol. 2012, 3, 464–474, doi:10.3762/bjnano.3.53

Graphical Abstract
  • , which suggests that the thiol molecules are not close-packed, and have some disorder in their arrangement on the surface. The contrast in the lateral-force image shows a friction difference between the gold surface and the EG3 patterns that can be attributed to the surface-energy difference between the
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Published 26 Jun 2012

Nano-FTIR chemical mapping of minerals in biological materials

  • Sergiu Amarie,
  • Paul Zaslansky,
  • Yusuke Kajihara,
  • Erika Griesshaber,
  • Wolfgang W. Schmahl and
  • Fritz Keilmann

Beilstein J. Nanotechnol. 2012, 3, 312–323, doi:10.3762/bjnano.3.35

Graphical Abstract
  • -FTIR sensitively responds to structural disorder it is well suited for the study of biomineral formation and aging. Generally, nano-FTIR is suitable for the analysis and identification of composite materials in any discipline, from testing during nanofabrication to even the clinical investigation of
  • ) their near-field resonance line shape is asymmetric, with the steep high-frequency edge (Figure 4) typical of strong oscillators [6][46]. Disorder in a crystal would strongly reduce the amplitude, as has been shown systematically [47]. Amorphous materials have a reduced, broadened resonance [3], while
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Published 05 Apr 2012

Junction formation of Cu3BiS3 investigated by Kelvin probe force microscopy and surface photovoltage measurements

  • Fredy Mesa,
  • William Chamorro,
  • William Vallejo,
  • Robert Baier,
  • Thomas Dittrich,
  • Alexander Grimm,
  • Martha C. Lux-Steiner and
  • Sascha Sadewasser

Beilstein J. Nanotechnol. 2012, 3, 277–284, doi:10.3762/bjnano.3.31

Graphical Abstract
  • deep defect states vanishes at frequencies above 1 kHz for the Cu3BiS3/In2S3 samples. Disorder in the material leads to states in the band gap close to the band edges, resulting in an exponential decay of the SPV. The characteristic energy of these exponential tails can be estimated at about 40 meV for
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Published 23 Mar 2012

An NC-AFM and KPFM study of the adsorption of a triphenylene derivative on KBr(001)

  • Antoine Hinaut,
  • Adeline Pujol,
  • Florian Chaumeton,
  • David Martrou,
  • André Gourdon and
  • Sébastien Gauthier

Beilstein J. Nanotechnol. 2012, 3, 221–229, doi:10.3762/bjnano.3.25

Graphical Abstract
  • molecules in relatively strong interaction. Note that, as remarked before, the Kelvin map (Figure 8b) is very heterogeneous, with values of the Kelvin voltage varying between −0.5 and +1.2 V. This dispersion is indicative of a certain degree of disorder as is also observable in the topography image of
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Published 12 Mar 2012

Size-dependent phase diagrams of metallic alloys: A Monte Carlo simulation study on order–disorder transitions in Pt–Rh nanoparticles

  • Johan Pohl,
  • Christian Stahl and
  • Karsten Albe

Beilstein J. Nanotechnol. 2012, 3, 1–11, doi:10.3762/bjnano.3.1

Graphical Abstract
  • and low platinum concentration. A decrease of platinum surface segregation with increasing global platinum concentration was observed, when a second, ordered phase is formed inside the core of the particle. The order–disorder transitions were analyzed in terms of the Warren–Cowley short-range order
  • question of how to interpret a two-phase equilibrium in the particle, and the effects related to surface segregation are examined. Furthermore, we evaluate the Warren–Cowley short-range order (WC-SRO) parameters in order to investigate the order–disorder phase transitions in the particles. These parameters
  • surface phase emerges at low concentrations of the segregating element. We conclude from the simulations that these features are likely to be found in ordering systems with a surface segregation tendency of one element. Short-range order and order–disorder transitions We calculated the short-range order
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Published 02 Jan 2012

Self-assembled monolayers and titanium dioxide: From surface patterning to potential applications

  • Yaron Paz

Beilstein J. Nanotechnol. 2011, 2, 845–861, doi:10.3762/bjnano.2.94

Graphical Abstract
  • disorder–order change for alkanephosphate SAMs on TiO2 supported the validity of the uniform growth mechanism, i.e., strong chemisorption of single molecules that once chemisorbed are incapable of surface diffusion. The dichroic ratio of the methylene antisymmetric stretching band, defined as the intensity
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Published 20 Dec 2011

Direct monitoring of opto-mechanical switching of self-assembled monolayer films containing the azobenzene group

  • Einat Tirosh,
  • Enrico Benassi,
  • Silvio Pipolo,
  • Marcel Mayor,
  • Michal Valášek,
  • Veronica Frydman,
  • Stefano Corni and
  • Sidney R. Cohen

Beilstein J. Nanotechnol. 2011, 2, 834–844, doi:10.3762/bjnano.2.93

Graphical Abstract
  • hindrance requires close packing, thus some slight disorder in the film could be an enabling condition for the isomerization [11]. Molecular packing also governs the excitonic coupling between chromophores, which can strongly influence the conversion efficiency [12]. A variety of methods to monitor the cis
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Published 20 Dec 2011

Dynamics of capillary infiltration of liquids into a highly aligned multi-walled carbon nanotube film

  • Sławomir Boncel,
  • Krzysztof Z. Walczak and
  • Krzysztof K. K. Koziol

Beilstein J. Nanotechnol. 2011, 2, 311–317, doi:10.3762/bjnano.2.36

Graphical Abstract
  • . It is worth noting that the spread convolutes variations in graphitic quality at the atomic scale, with overall variations in CNT orientation, and more complex diffraction effects are observed as disorder increases [22]. The mean outer and inner diameters of CNTs as measured by TEM were 60 ± 25 and
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Published 20 Jun 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

Graphical Abstract
  • distribution function (PDF) of atoms around the absorber atom. To account for thermal or configurational disorder, the complex wavenumber p is introduced and should be used instead of k. The imaginary part of p represents losses of photoelectron coherence, which includes the mean free path and core-hole
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Published 11 May 2011

Structural and magnetic properties of ternary Fe1–xMnxPt nanoalloys from first principles

  • Markus E. Gruner and
  • Peter Entel

Beilstein J. Nanotechnol. 2011, 2, 162–172, doi:10.3762/bjnano.2.20

Graphical Abstract
  • significant percentage of surface atoms with diameters of a few nanometers. Several authors have therefore argued that at small particle sizes ordering is suppressed due to surface-induced disorder and segregation [21][24]. Both effects can be related to a change in the effective pair interactions between the
  • arrangement in the surface layers. Onion-ring and hybrid morphologies have been considered for other alloys [59][60][61] as well as for Fe–Pt in the context of surface induced disorder [24][62][63][64]. This has been verified very recently in a combined ab initio and Monte Carlo approach [65], while
  • configuration the most favorable L10-type structure in this concentration range. However, as discussed above, for binary Fe–Pt such a configuration will effectively be suppressed by a small amount of disorder in the system, due to Fe or Mn occupying a Pt site and mediating an effective ferromagnetic interlayer
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Published 16 Mar 2011

Superhydrophobicity in perfection: the outstanding properties of the lotus leaf

  • Hans J. Ensikat,
  • Petra Ditsche-Kuru,
  • Christoph Neinhuis and
  • Wilhelm Barthlott

Beilstein J. Nanotechnol. 2011, 2, 152–161, doi:10.3762/bjnano.2.19

Graphical Abstract
  • lotus wax. The ‘long spacing’ peaks indicate a layer structure which is common in aliphatic waxes. The broad ‘short spacing’ peak at 2θ = 27° indicates a strong disorder in the lateral package of the molecules. Model of a wax tubule composed of layers of nonacosan-10-ol and nonacosanediol molecules. The
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Published 10 Mar 2011

Pore structure and surface area of silica SBA-15: influence of washing and scale-up

  • Jörg P. Thielemann,
  • Frank Girgsdies,
  • Robert Schlögl and
  • Christian Hess

Beilstein J. Nanotechnol. 2011, 2, 110–118, doi:10.3762/bjnano.2.13

Graphical Abstract
  • all samples to exclude it as source for the observed disorder. Importantly, it was found that under the chosen conditions only the amount of solvent used in the washing process had a significant influence on the shape of the isotherm of the final product (Figure 4). To gain insight into the influence
  • extent depends on the degree of modification, in particular, the number of narrowed sections created during washing. The height of the bulge in the desorption branch may therefore be used to estimate qualitatively the degree of disorder created by combinational washing with plenty of solvent. However
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Published 16 Feb 2011

Kinetic lattice Monte-Carlo simulations on the ordering kinetics of free and supported FePt L10-nanoparticles

  • Michael Müller and
  • Karsten Albe

Beilstein J. Nanotechnol. 2011, 2, 40–46, doi:10.3762/bjnano.2.5

Graphical Abstract
  • correct stacking sequence. In this paper, we present lattice-based kinetic Monte-Carlo simulations of FePt nanoparticles that reveal the influence of free surfaces, bulk vacancies and interaction with a substrate on the disorder–order transition. After describing the methodology, the case of a free
  • , however, no single domain particles are obtained and an elimination of the antiphase boundaries could not be observed within the time scales accessible by the simulations. Simulations including a crystalline support show that, even if strong interface segregation is assumed, no influence on the disorder
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Published 17 Jan 2011

Review and outlook: from single nanoparticles to self-assembled monolayers and granular GMR sensors

  • Alexander Weddemann,
  • Inga Ennen,
  • Anna Regtmeier,
  • Camelia Albon,
  • Annalena Wolff,
  • Katrin Eckstädt,
  • Nadine Mill,
  • Michael K.-H. Peter,
  • Jochen Mattay,
  • Carolin Plattner,
  • Norbert Sewald and
  • Andreas Hütten

Beilstein J. Nanotechnol. 2010, 1, 75–93, doi:10.3762/bjnano.1.10

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Published 22 Nov 2010

Flash laser annealing for controlling size and shape of magnetic alloy nanoparticles

  • Damien Alloyeau,
  • Christian Ricolleau,
  • Cyril Langlois,
  • Yann Le Bouar and
  • Annick Loiseau

Beilstein J. Nanotechnol. 2010, 1, 55–59, doi:10.3762/bjnano.1.7

Graphical Abstract
  • gives an unprecedented opportunity to control the size and the shape of bimetallic nanoparticles without changing their composition. The mechanisms involved in the complete reshaping of the nanoparticle thin films are discussed and it is also shown that order-disorder phase transformations occur under
  • ; nanosecond pulsed laser annealing; order-disorder transformation; Introduction Future high-density recording systems require 10 nm magnetic grains with a high magnetic anisotropy (Ku) to insure their thermal stability [1]. CoPt and FePt nanoparticles (NPs) in the chemically ordered L10 structure [2] are
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Published 22 Nov 2010
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