Induced smectic phase in binary mixtures of twist-bend nematogens

Anamarija Knežević,
Irena Dokli,
Marin Sapunar,
Suzana Šegota,
Ute Baumeister and
Andreja Lesac

Full Research Paper
Published 26 Apr 2018

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1. Figure 1: Molecular structures of cyanobiphenyl dimer (CBI) and benzoyloxy-benzylidene dimer (BB).
  
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2. Figure 2: Phase diagram for binary mixture of CBI and BB.
  
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3. Figure 3: a) Marble texture of the nematic phase (magnification 200×); b) polygonal texture of the N_TB phase ...
  
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4. Figure 4: a) AFM 2D-topographic image of the surface morphology of a binary mixture of 27 mol % BB; b) the in...
  
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5. Figure 5: Molecular curvature of CBI obtained by a least squares fit of a circle to the geometry of the molec...
  
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6. Figure 6: Texture of the mixture containing 73 mol % BB: a) blocky texture of N_TB phase at 93 °C, b) fan-shap...
  
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7. Figure 7: IR spectra of pure BB (red), pure CBI (green) and a 73 mol % BB mixture (blue) at room temperature.
  
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8. Figure 8: IR spectra in the CH₂ stretching bands region of: a) 73 mol % mixture – 50 °C (green), 75 °C (blue)...
  
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9. Figure 9: a) Free rotation of the C–C bonds of the alkyl chains in the gas phase molecular dynamics. Snapshot...
  
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10. Figure 10: a) A sketch of the hypothetical intercalated smectic-like organization of pure BB, where d denotes ...
  
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Beilstein J. Nanotechnol. 2018, 9, 1297–1307, doi:10.3762/bjnano.9.122

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Formation and development of nanometer-sized cybotactic clusters in bent-core nematic liquid crystalline compounds

Yuri P. Panarin,
Sithara P. Sreenilayam,
Jagdish K. Vij,
Anne Lehmann and
Carsten Tschierske

Full Research Paper
Published 25 Apr 2018

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1. Figure 1: The molecular structure and phase transitions of two bent-core liquid crystal samples: BCN66 (m = n...
  
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2. Figure 2: (a) Dielectric loss spectra (ε″) of a planar cell of cell thickness d = 7.8 µm in the frequency ran...
  
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3. Figure 3: Temperature dependent cluster size (i.e., an average number of molecules involved in a cluster) (op...
  
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4. Figure 4: Polarized optical microscopy (POM) texture of a 7.8 µm BCN66 cell with an applied peak voltage of a...
  
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5. Figure 5: Dependence of the dielectric loss spectrum (ε″) on the DC bias voltage (0–36 V) in the nematic phas...
  
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6. Figure 6: Dependence of the dielectric strengths (Δε) on the bias voltage for two processes (high frequency (...
  
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7. Figure 7: Effect of temperature and bias voltage on the two relaxation processes for BCN66: (a) solid black l...
  
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Beilstein J. Nanotechnol. 2018, 9, 1288–1296, doi:10.3762/bjnano.9.121

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Formation mechanisms of boron oxide films fabricated by large-area electron beam-induced deposition of trimethyl borate

Aiden A. Martin and
Philip J. Depond

Letter
Published 24 Apr 2018

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1. Figure 1: The EBID process and instrumentation. (a) Gaseous TMB precursor is admitted into the vacuum chamber...
  
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2. Figure 2: (a) Deposition rate of EBID using TMB precursor and a 2 keV, 20 μA Gaussian electron beam as a func...
  
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3. Figure 3: Elemental composition of material deposited by EBID using TMB precursor as a function of the substr...
  
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4. Figure 4: Backscattered scanning electron image of (a) the entire region and (b) the edge region (ca. 100 μm ...
  
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Beilstein J. Nanotechnol. 2018, 9, 1282–1287, doi:10.3762/bjnano.9.120

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Artifacts in time-resolved Kelvin probe force microscopy

Sascha Sadewasser,
Nicoleta Nicoara and
Santiago D. Solares

Full Research Paper
Published 24 Apr 2018

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1. Figure 1: (a) Perturbation signal with a square pulse shape, exemplarily shown for a period of 6.67 μs, a pul...
  
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2. Figure 2: Frequency spectra for square pulse perturbation signal (V_pulse = 0.5 V, w_pulse = ½ period) with the...
  
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3. Figure 3: (a) Frequency spectrum for bias modulation with exponential rise and fall shape, as illustrated in Figure 1f...
  
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4. Figure 4: Experimental frequency spectra with a square shaped bias pulse (V_pulse = 0.2 V) of 50% duty cycle. ...
  
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5. Figure 5: Experimental frequency spectra with a square shaped pulse of 50% duty cycle measured by FM-KPFM (f_ac...
  
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Beilstein J. Nanotechnol. 2018, 9, 1272–1281, doi:10.3762/bjnano.9.119

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Proximity effect in a two-dimensional electron gas coupled to a thin superconducting layer

Christopher Reeg,
Daniel Loss and
Jelena Klinovaja

Full Research Paper
Published 23 Apr 2018

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1. Figure 1: A 2DEG is proximity-coupled to an s-wave superconductor with finite thickness d. Both systems are t...
  
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2. Figure 2: Sketch of Bogoliubov excitation spectra as a function of in the absence of tunneling, assuming an...
  
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3. Figure 3: Spectrum of a 2DEG coupled to a thin superconducting layer (see Equation 19) for (a) γ = Δ (corresponding to Γ...
  
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4. Figure 4: (a) Evaluating the self-energy with the Green’s function of a bulk superconductor (see Equation 26) correspond...
  
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Beilstein J. Nanotechnol. 2018, 9, 1263–1271, doi:10.3762/bjnano.9.118

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The electrical conductivity of CNT/graphene composites: a new method for accelerating transmission function calculations

Olga E. Glukhova and
Dmitriy S. Shmygin

Full Research Paper
Published 20 Apr 2018

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1. Figure 1: Graphene: a) unit cell with electrodes; b) transmission function (green: dk = 0.1 1/Å, blue: dk = 0...
  
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2. Figure 2: Transmission function: a) Т(Е) for three different k_y; b) the distribution of points of the transmi...
  
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3. Figure 3: Graphene transmission function: a) a map of T(E) for the initial partitioning over k_y (from above) ...
  
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4. Figure 4: Graphane transmission function: a) a map of T(E) for the initial partitioning over k_y (top) and (bo...
  
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5. Figure 5: 2D composite of pillared graphene based on CNT (9,9) with a length of 2.4 nm: a) atomic structure; ...
  
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6. Figure 6: Two-layer 2D composite of pillared graphene based on CNT (9,9) with a length of 2.4 nm: a) atomic s...
  
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7. Figure 7: Plots of the transmission functions for two-layer (blue) and single-layer (red) composites (the tub...
  
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Beilstein J. Nanotechnol. 2018, 9, 1254–1262, doi:10.3762/bjnano.9.117

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Computational exploration of two-dimensional silicon diarsenide and germanium arsenide for photovoltaic applications

Sri Kasi Matta,
Chunmei Zhang,
Yalong Jiao,
Anthony O'Mullane and
Aijun Du

Full Research Paper
Published 19 Apr 2018

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1. Figure 1: Crystal structure side view of (a) SiAs₂ bulk (3 × 2 super cells) and (b) GeAs₂ bulk (red: silicon,...
  
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2. Figure 2: Phonon band structure of a monolayer of (a) SiAs₂ and (b) GeAs₂ along the high-symmetry points in t...
  
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3. Figure 3: Band structure for SiAs₂ and GeAs₂ calculated by the HSE-Wannier function method. The Fermi level i...
  
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4. Figure 4: Calculated light absorption spectrum of monolayers of SiAs₂ (green) and GeAs₂ (blue) using HSE func...
  
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5. Figure 5: (a,c) GW-band structures and (b,d) BSE-optical absorption spectra of SiAs₂ and GeAs₂, respectively.
  
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Beilstein J. Nanotechnol. 2018, 9, 1247–1253, doi:10.3762/bjnano.9.116

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Atomistic modeling of tribological properties of Pd and Al nanoparticles on a graphene surface

Alexei Khomenko,
Miroslav Zakharov,
Denis Boyko and
Bo N. J. Persson

Full Research Paper
Published 19 Apr 2018

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1. Figure 1: Perspective snapshot of the formed nanoparticle containing 20000 Al atoms.
  
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2. Figure 2: Time dependencies of temperature T of the system, velocity V_y and lateral position y_CM of the cente...
  
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3. Figure 3: Substrate force as a function of the lateral position of the center of mass of the nanoparticles: (...
  
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4. Figure 4: Friction force as a function of the contact area with confidence intervals of the approximation at ...
  
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5. Figure 5: Shear stress as a function of the contact area with confidence intervals of the approximation at a ...
  
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6. Figure 6: A nanoparticle (green) on a substrate (black) when the interaction between the particle and the sub...
  
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7. Figure 7: Side view of a Pd nanoparticle with 20000 atoms (the horizontal solid line is the graphene plane) a...
  
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8. Figure 8: Friction force versus temperature with confidence intervals of the second-degree polynomial approxi...
  
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9. Figure 9: Radial distribution function for the Al and Pd nanoparticles containing 20000 atoms for the bulk cr...
  
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10. Figure 10: (A, C) Side and (B, D) bottom views of (A, B) Al and (C, D) Pd nanoparticles containing 20000 atoms...
  
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Beilstein J. Nanotechnol. 2018, 9, 1239–1246, doi:10.3762/bjnano.9.115

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Surface characterization of nanoparticles using near-field light scattering

Eunsoo Yoo,
Yizhong Liu,
Chukwuazam A. Nwasike,
Sebastian R. Freeman,
Brian C. DiPaolo,
Bernardo Cordovez and
Amber L. Doiron

Full Research Paper
Published 18 Apr 2018

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1. Figure 1: Optofluidic chip is secured in a chip cassette and is permanently bonded to three optical fibers, w...
  
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2. Figure 2: (A) Near-field light scattering with relevant forces acting on the particle. (B, C) Trapped particl...
  
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3. Figure 3: TEM images of uncoated SPIOs (A), PEG-SPIOs (B) with scale bar of 20 nm. EDS spectrum of uncoated S...
  
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4. Figure 4: Microscopy images of PEG-SPIOs in aqueous solution. The laser pushes the trapped nanoparticles acro...
  
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5. Figure 5: (A) Intensity and velocity distributions of PEG-SPIOs (n = 47) and IPC-SPIOs n = 51), presented as ...
  
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6. Figure 6: Velocity vs intensity. (A) Velocity of individual PEG- and IPC-coated SPIOs vs measured scattering ...
  
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7. Figure 7: Measured velocity and drag force of the same particle in solution with different salt concentration...
  
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Beilstein J. Nanotechnol. 2018, 9, 1228–1238, doi:10.3762/bjnano.9.114

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A novel copper precursor for electron beam induced deposition

Caspar Haverkamp,
George Sarau,
Mikhail N. Polyakov,
Ivo Utke,
Marcos V. Puydinger dos Santos,
Silke Christiansen and
Katja Höflich

Full Research Paper
Published 18 Apr 2018

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1. Figure 1: (a) Scanning electron micrograph of a FEBID pad. (b) Atomic force micrograph of the same pad. (c + ...
  
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2. Figure 2: (a) Raman spectra of a FEBID pad, FEBID precursor and the substrate. The complex structure of the p...
  
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3. Figure 3: (a) Real and (b) imaginary part of the dielectric function of the measured FEBID material, averaged...
  
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4. Figure 4: (a + b) Scanning electron micrographs of a single nanopillar (a) and a copper helix with three pitc...
  
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5. Figure 5: (a) Array of 8 × 8 nanocones with a distance of 400 nm, base diameter of 80 nm and a height of 250 ...
  
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Beilstein J. Nanotechnol. 2018, 9, 1220–1227, doi:10.3762/bjnano.9.113

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Heterostuctures of 4-(chloromethyl)phenyltrichlorosilane and 5,10,15,20-tetra(4-pyridyl)-21H,23H-porphine prepared on Si(111) using particle lithography: Nanoscale characterization of the main steps of nanopatterning

Phillip C. Chambers and
Jayne C. Garno

Full Research Paper
Published 17 Apr 2018

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1. Figure 1: Steps for preparing nanopatterned CMPS-porphyrin heterostructures. (a) Monodisperse silica spheres ...
  
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2. Figure 2: Nanoholes within a thin film of OTS. (a) Topography frame, 3 × 3 µm²; and simultaneously acquired (...
  
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3. Figure 3: Nanodots of CMPS grown in a solution of BCH. (a) Topography image, 3 × 3 μm²; (b) structural model ...
  
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4. Figure 4: Heterostructures comprised of CMPS and H₂TPyP porphyrin grown on Si(111) in BCH. (a) Topography ima...
  
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5. Figure 5: Model for the self-assembly of CMPS-porphyrin heterostructures within an OTS matrix layer.
  
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Beilstein J. Nanotechnol. 2018, 9, 1211–1219, doi:10.3762/bjnano.9.112

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Electrodeposition of reduced graphene oxide with chitosan based on the coordination deposition method

Mingyang Liu,
Yanjun Chen,
Chaoran Qin,
Zheng Zhang,
Shuai Ma,
Xiuru Cai,
Xueqian Li and
Yifeng Wang

Full Research Paper
Published 17 Apr 2018

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1. Figure 1: (a) Schematic of the preparation approach of HACC-rGO. (b) SEM image of the resulting HACC-rGO. (c)...
  
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2. Figure 2: (a) Schematic illustration of the electrodeposition of HACC-rGO with chitosan on the copper electro...
  
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3. Figure 3: (a) SEM image of the deposited HACC-rGO/CS film surface. (b) SEM image of the cross-section of the ...
  
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4. Figure 4: Images of the cathodically electrodeposited film of HACC-rGO and chitosan on the copper plate (a) a...
  
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5. Figure 5: (a) Photographs of the HACC-rGO/CS films (peeled from the copper plates) with various shapes. (b) P...
  
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6. Figure 6: CV curves of the bare GCE, the GCE with the deposited chitosan film (chitosan/GCE), and the GCE wit...
  
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7. Figure 7: (a) DPV of the GCE with the deposited HACC-rGO/CS film in the presence of 1-naphthol with different...
  
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Beilstein J. Nanotechnol. 2018, 9, 1200–1210, doi:10.3762/bjnano.9.111

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Circular dichroism of chiral Majorana states

Javier Osca and
Llorenç Serra

Full Research Paper
Published 16 Apr 2018

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1. Figure 1: Energy eigenvalues close to zero energy as a function of Δ_B. Panels a) and b) are for a square of d...
  
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2. Figure 2: Energy eigenvalues as a function of . Panels a) and b) correspond to the phases in Figure 1d with one (Δ_B = 2...
  
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3. Figure 3: Absorption cross-sections , and defined in the main text. The shown results correspond to the spe...
  
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4. Figure 4: Absorption cross-sections , and for (a) a square of L_x = L_y = 20 L_U), and for (b) a rectangle of L...
  
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Beilstein J. Nanotechnol. 2018, 9, 1194–1199, doi:10.3762/bjnano.9.110

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Inverse proximity effect in semiconductor Majorana nanowires

Alexander A. Kopasov,
Ivan M. Khaymovich and
Alexander S. Mel'nikov

Full Research Paper
Published 16 Apr 2018

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1. Figure 1: Schematic picture of the semiconducting wire (yellow) covered by the superconducting layer (green) ...
  
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2. Figure 2: Color plot of the critical temperature of the system as a function of the chemical potential μ_w and...
  
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3. Figure 3: The critical temperature of the system as a function of the Zeeman field h for different values of ...
  
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4. Figure 4: Critical temperature of the system as a function of the Zeeman field h for ε_so = 0.46T_c0, Γ_s→0 and Γ...
  
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Beilstein J. Nanotechnol. 2018, 9, 1184–1193, doi:10.3762/bjnano.9.109

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Understanding the performance and mechanism of Mg-containing oxides as support catalysts in the thermal dry reforming of methane

Nor Fazila Khairudin,
Mohd Farid Fahmi Sukri,
Mehrnoush Khavarian and
Abdul Rahman Mohamed

Review
Published 13 Apr 2018

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1. Figure 1: Methane decomposition equilibrium in the presence of inert gas at different temperatures. Reprinted...
  
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2. Figure 2: A schematic diagram of the DRM reaction on Ni metal. Adapted from [73].
  
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3. Figure 3: Schematic diagram of carbon species removal by CO₂ over (a) Fe–Ni catalyst [28] and (b) Co–Mo–MgO/MWCNT...
  
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4. Figure 4: The partial pressure effect of (a) CO₂ and (b) CH₄ on the rate of CH₄ reforming; P_CO2 = 90 kPa. Rep...
  
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5. Figure 5: XPS spectra of O 1s of the catalysts. (NCMZ = Ni–Co/MgO–ZrO₂, NMZ = Ni/MgO–ZrO₂, CMZ = Co/MgO–ZrO₂)...
  
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6. Figure 6: The reforming rates of DRM over the Ni–Co/Al–Mg-O catalyst affected by the (a) CO₂ partial pressure...
  
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7. Figure 7: The formation rates of CO affected by (a) CH₄ partial pressure and (b) CO₂ partial pressure at diff...
  
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8. Figure 8: The formation rates of H₂ affected by (a) CH₄ partial pressure and (b) CO₂ partial pressure at diff...
  
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9. Figure 9: (a) Schematic illustration of the two synthesis methods for the MgO basic sites formation on SBA-15...
  
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10. Figure 10: (a) CH₄ conversion, (b) CO₂ conversion, (c) H₂/CO ratio of catalysts with different nickel loadings...
  
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11. Figure 11: Stability of CH₄ conversion over Ni/MgO catalysts with different Ni loadings (5% to 15%) in a DRM r...
  
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12. Figure 12: Effect of MgO loading on (a) CH₄, (b) CO₂ conversion and (c) H₂/CO molar ratio over various MgO loa...
  
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13. Figure 13: Conversion of methane (a) and carbon dioxide (b) on N55M11 calcined at different temperatures (■) 4...
  
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14. Figure 14: The effect of reaction temperature on catalyst performance: (a) CH₄ conversion, (b) CO₂ conversion,...
  
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15. Figure 15: Influence of gas hourly space velocity (GHSV) on the catalyst performance of 20 wt % Ni/3 wt % MgO–...
  
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Beilstein J. Nanotechnol. 2018, 9, 1162–1183, doi:10.3762/bjnano.9.108

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Thermoelectric current in topological insulator nanowires with impurities

Sigurdur I. Erlingsson,
Jens H. Bardarson and
Andrei Manolescu

Full Research Paper
Published 12 Apr 2018

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1. Figure 1: Energy spectra for a) B = 0 and b) B = 4.0 T. Note that the system is gapped at B = 0 but not at B ...
  
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2. Figure 2: a) Transmission function and b) thermoelectric current for two different magnetic fields. In a), th...
  
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3. Figure 3: a) Transmission function and b) thermoelectric current calculated in the presence of impurities at B...
  
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Beilstein J. Nanotechnol. 2018, 9, 1156–1161, doi:10.3762/bjnano.9.107

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Electrostatic force spectroscopy revealing the degree of reduction of individual graphene oxide sheets

Yue Shen,
Ying Wang,
Yuan Zhou,
Chunxi Hai,
Jun Hu and
Yi Zhang

Full Research Paper
Published 11 Apr 2018

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1. Figure 1: Characterizing the degree of reduction of GO sheets reduced using various methods. C 1s XPS spectra...
  
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2. Figure 2: Characterizing the degree of reduction of GO sheets using EFM imaging and EFS: (a) tapping AFM imag...
  
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3. Figure 3: Illustrative diagram of EFM imaging and EFS: (a) schematic depiction of EFM, (b) electrostatic forc...
  
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Beilstein J. Nanotechnol. 2018, 9, 1146–1155, doi:10.3762/bjnano.9.106

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Semi-automatic spray pyrolysis deposition of thin, transparent, titania films as blocking layers for dye-sensitized and perovskite solar cells

Hana Krýsová,
Josef Krýsa and
Ladislav Kavan

Full Research Paper
Published 10 Apr 2018

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1. Figure 1: Linear sweep voltammetry under intermittent UV light excitation (Hg lamp 320–380 nm) of intensity 7...
  
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2. Figure 2: Cyclic voltammograms on an uncoated FTO(A) electrode and one covered by TiO₂ films consisting of 10...
  
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3. Figure 3: Linear sweep voltammetry under intermittent UV light (Hg lamp 320–380 nm; intensity 7.5 mW/cm²). Pr...
  
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4. Figure 4: Cyclic voltammograms for TiO₂ films; precursor: 0.05M TAA, deposition temperature: 450 °C, scan rat...
  
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5. Figure 5: Top view SEM images of FTO glass substrates, (a) FTO(A) and (b) FTO(B).
  
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6. Figure 6: Cyclic voltammograms on a FTO(B) substrate covered by TiO₂ films of (a) 20 SCs, (b) 50 SCs and (c) ...
  
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7. Figure 7: Top view SEM images of a) bare FTO(B), b) FTO(B) covered by 20 SCs of 0.2 M TAA, c) FTO(B) covered ...
  
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8. Figure 8: Cyclic voltammograms of FTO(B) covered by sprayed TiO₂ films made of 70 SCs of 0.2 M TAA and of 0.2...
  
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Beilstein J. Nanotechnol. 2018, 9, 1135–1145, doi:10.3762/bjnano.9.105

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Field-controlled ultrafast magnetization dynamics in two-dimensional nanoscale ferromagnetic antidot arrays

Anulekha De,
Sucheta Mondal,
Sourav Sahoo,
Saswati Barman,
Yoshichika Otani,
Rajib Kumar Mitra and
Anjan Barman

Full Research Paper
Published 09 Apr 2018

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1. Figure 1: Scanning electron micrographs of the Py antidot arrays with triangular holes of edge length 200 nm,...
  
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2. Figure 2: (a–f) Experimental time-resolved Kerr rotation data for some specific orientations of the bias magn...
  
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3. Figure 3: Bias magnetic field dependence of precessional frequencies of different SW modes for (a) Py blanket...
  
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4. Figure 4: Spin-wave mode profile. (a) Power and (b) phase of S1 for different orientations of the in-plane bi...
  
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5. Figure 5: Spin-wave mode profile (power and phase) of S2 for different orientations of the in-plane bias fiel...
  
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6. Figure 6: Magnetization distribution and the contour maps of simulated magnetostatic field distribution of th...
  
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Beilstein J. Nanotechnol. 2018, 9, 1123–1134, doi:10.3762/bjnano.9.104

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Imaging of viscoelastic soft matter with small indentation using higher eigenmodes in single-eigenmode amplitude-modulation atomic force microscopy

Miead Nikfarjam,
Enrique A. López-Guerra,
Santiago D. Solares and
Babak Eslami

Full Research Paper
Published 06 Apr 2018

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1. Figure 1: Generalized Maxwell or Wiechert mechanical model diagram representing the relationship between stre...
  
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2. Figure 2: Numerical simulations corresponding to a parabolic AFM tip tapping on a polyisobutylene surface, de...
  
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3. Figure 3: Polystyrene thin-film topography images for AM-AFM using the fundamental eigenmode (a), AM-AFM usin...
  
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Beilstein J. Nanotechnol. 2018, 9, 1116–1122, doi:10.3762/bjnano.9.103

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P3HT:PCBM blend films phase diagram on the base of variable-temperature spectroscopic ellipsometry

Barbara Hajduk,
Henryk Bednarski,
Bożena Jarząbek,
Henryk Janeczek and
Paweł Nitschke

Full Research Paper
Published 05 Apr 2018

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1. Figure 1: Structures of (a) P3HT and (b) PCBM.
  
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2. Figure 2: UV–vis absorbance spectra of P3HT, PCBM and P3HT:PCBM (1:1) thin films.
  
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3. Figure 3: Thickness d and tanΨ as functions of the temperature for (a) P3HT, (b) PCBM and (c) P3HT:PCBM (1:1)...
  
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4. Figure 4: Δ at 280 nm as a function of temperature for P3HT:PCBM blend films with different polymer contents:...
  
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5. Figure 5: DSC plots with a heating rate of 20 °C/min for P3HT, PCBM and P3HT:PCBM (1:1), recorded with powder...
  
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6. Figure 6: Phase diagram of P3HT:PCBM blends films. Symbols marked as T_gP3HT, T_gBLEND and T_gPCBM denote the gl...
  
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Beilstein J. Nanotechnol. 2018, 9, 1108–1115, doi:10.3762/bjnano.9.102

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A simple extension of the commonly used fitting equation for oscillatory structural forces in case of silica nanoparticle suspensions

Sebastian Schön and
Regine von Klitzing

Full Research Paper
Published 05 Apr 2018

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1. Figure 1: Force versus separation curve for the 2 wt % suspension. Grey open circles show a single force curv...
  
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2. Figure 2: Combined force data of the 9 wt % suspension (black dots) together with fits based on Equation 1 from differe...
  
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3. Figure 3: Combined force data of the 9 wt % suspension (black dots) together with the fit parameters A (circl...
  
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4. Figure 4: Combined force data of the 9 wt % suspension (black dots) together with fit based on Equation 1 made from 200...
  
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5. Figure 5: Combined force data of the 9 wt % suspension (black dots) together with the fit based on Equation 2 made from...
  
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6. Figure 6: Combined force data of the 9 wt % suspension (black dots) together with the fit parameters over the...
  
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7. Figure 7: Combined force data of the 9 wt % suspension (black dots) together with the fit parameters over the...
  
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8. Figure 8: Log–log scale of wavelength λ as a function of the silica nanoparticle concentration and the respec...
  
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9. Figure 9: Decay length ξ₁ (triangles) together with ξ₂ (pentagons) in nm as a function of the suspension conc...
  
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10. Figure 10: Amplitude A (circles) as well as parameter B (diamonds) in pN as a function of the suspension conce...
  
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11. Figure 11: B·ξ₂ in aJ as a function of the suspension concentration in wt % together with a linear trend. Two ...
  
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Supp. Info

Beilstein J. Nanotechnol. 2018, 9, 1095–1107, doi:10.3762/bjnano.9.101

Full Text

Room-temperature single-photon emitters in titanium dioxide optical defects

Kelvin Chung,
Yu H. Leung,
Chap H. To,
Aleksandra B. Djurišić and
Snjezana Tomljenovic-Hanic

Full Research Paper
Published 04 Apr 2018

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1. Figure 1: The experimental setup of the scanning confocal microscope used for investigating TiO₂ defects.
  
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2. Figure 2: Representative 100 × 100 μm² confocal scans of TiO₂ morphologies. E-beam deposited thin films: (a) ...
  
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3. Figure 3: 10 × 10 μm² confocal scans of two single-photon emitters (a) defect D₁ and (b) defect D₂ found on t...
  
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4. Figure 4: Characterisation results of defect D₁, shown in Figure 3a, found in the a-450 °C-TiO₂ sample. (a) Normalised...
  
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5. Figure 5: Characterisation results of defect D₂. (a) The excited-state (R_LT) and non-radiative (NR_LT) lifetim...
  
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6. Figure 6: Characterisation results of a defect found in the sample of TiO₂ anatase nanopowder and IPA. (a) 10...
  
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Beilstein J. Nanotechnol. 2018, 9, 1085–1094, doi:10.3762/bjnano.9.100

Full Text

Theoretical study of strain-dependent optical absorption in a doped self-assembled InAs/InGaAs/GaAs/AlGaAs quantum dot

Tarek A. Ameen,
Hesameddin Ilatikhameneh,
Archana Tankasala,
Yuling Hsueh,
James Charles,
Jim Fonseca,
Michael Povolotskyi,
Jun Oh Kim,
Sanjay Krishna,
Monica S. Allen,
Jeffery W. Allen,
Rajib Rahman and
Gerhard Klimeck

Full Research Paper
Published 04 Apr 2018

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1. Figure 1: A schematic of the measured and simulated QD system. The dimensions of the simulated structure are ...
  
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2. Figure 2: The atomistic grid of the simulated QD showing only cations (Al,Ga,In) to emphasize the randomness ...
  
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3. Figure 3: Bond lengths and bond angle for three neighboring atoms m, n, and k.
  
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4. Figure 4: An InAs/GaAs quantum well of thickness 3 nm used for the optimization of the anharmonic strain mode...
  
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5. Figure 5: The simulated and the measured absorption spectrum of the QD system. The quantum dot is sample D fr...
  
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6. Figure 6: The magnitude square of the wave functions of the electron and hole states. Only the first eight el...
  
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7. Figure 7: The conduction and valence band edges (solid lines) along a line through the middle of the quantum ...
  
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8. Figure 8: The in-plane polarized absorption spectrum calculated for (A) different diameters and (B) different...
  
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9. Figure 9: Hydrostatic ε_H and biaxial ε_B strain with different dimensions along a line through the middle of t...
  
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10. Figure 10: Experimental and simulation results of the optical transition of the QD system reported in [9]. Increa...
  
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11. Figure 11: Hydrostatic and biaxial strain with different mole fractions of In along a line passing through the...
  
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Beilstein J. Nanotechnol. 2018, 9, 1075–1084, doi:10.3762/bjnano.9.99

Full Text

Review on nanoparticles and nanostructured materials: history, sources, toxicity and regulations

Jaison Jeevanandam,
Ahmed Barhoum,
Yen S. Chan,
Alain Dufresne and
Michael K. Danquah

Review
Published 03 Apr 2018

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1. Figure 1: Nanomaterials with different morphologies: (A) nonporous Pd NPs (0D) [9,10], copyright Zhang et al.; lice...
  
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2. Figure 2: FESEM of dust particle samples collected (a) during and (b) after the dust storm episodes on March ...
  
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3. Figure 3: (a) SEM image of flaming smoke collected during a Madikwe Game Reserve fire in South Africa on Augu...
  
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4. Figure 4: (A) Negatively stained rotavirus with complete (long arrow) and empty (short arrow) particles in sw...
  
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5. Figure 5: Nanoparticles synthesized intracellularly in algae and fungi. (A) TEM micrograph of R. mucilaginosa...
  
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6. Figure 6: Photographs and the scanning electron microscope images of various bio-prototypes bearing superhydr...
  
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7. Figure 7: (A) Photograph of peacock feathers showing various colors and patterns. (B) Cross-sectional SEM ima...
  
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8. Figure 8: The macro- and microstructure of bone and its components with nanostructured materials employed in ...
  
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9. Figure 9: Electron microscope images show how NPs can penetrate and relocate to various sites inside a phagoc...
  
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