Volume No. 1
2010
Pages 1 - 190
Table of Contents |
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| 14 | Full Research Paper |
| 1 | Letter |
| 4 | Review |
| 3 | Editorial |
- Full Research Paper
- Published 22 Nov 2010
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Figure 1: (A) Scanning electron microscope image of a silicon microcantilever array consisting of eight canti...
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Figure 2: Grafting of mPEG–SH chains on a Au-coated microcantilever surface. (A) Deflection of the sensing (r...
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Figure 3: Concentration-dependent grafting of mPEG–SH on Au: overlay view of five binding curves. The grey ar...
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Figure 4: (A) Adsorption isotherm of mPEG–SH on Au. Each point (circle) corresponds to the maximum differenti...
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Figure 5: Representative force curves obtained by approaching the AFM tip to the Au surface grafted with 20 k...
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Figure 6: AFM images of Au-tethered PEG-layers obtained at different forces in good solvent (PBS; upper row) ...
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Figure 7: Collapse and restretching of the tethered mPEG–SH-layer observed when switching from good (PBS) to ...
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Figure 8: Mushrooms versus Polymer Brushes: a sketch illustrating how surface-tethered polymer chains can tak...
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- Full Research Paper
- Published 22 Nov 2010
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Figure 1: (a) Low-resolution TEM micrograph of ZnO nanoparticles, (b) electron diffraction pattern of the ZnO...
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Figure 2: Scanning electron micrograph of (a) ZnO nanoparticle thin film on glass substrate, (b) Sample 1 (0....
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Figure 3: Degradation of methylene blue as a function of ln(C/C0) versus the time of exposure to visible ligh...
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Figure 4: Increase in width and length resulting from fast crystallization by the use of microwave irradiatio...
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Figure 5: A typical scanning electron micrograph showing the ZnO nanorods grown using microwave irradiation i...
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Figure 6: Degradation of methylene blue as a function of ln(C/C0) versus the time of exposure to light in the...
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- Full Research Paper
- Published 22 Nov 2010
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Scheme 1: Preparation of NPs by a reverse micelle technique. PS-b-P2VP or PS-b-P4VP is dispersed in anhydrous...
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Figure 1: CoCl2 loaded PS(1779)-b-P2VP(857) reverse micelles deposited at different dip-coating velocities; (...
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Figure 2: Co NPs prepared from CoCl2-loaded PS(1779)-b-P2VP(857) reverse micelles deposited on a Si AFM-tip b...
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Figure 3: Fe (left column) and Co (right column) NPs prepared from PS(312)-P2VP(71) (upper panels) and PS(177...
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Figure 4: SEM micrographs of FePt NPs with 2.6 nm, 4.5 nm, and 9.4 nm diameter (top panels) and their AFM hei...
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Figure 5: Photoelectron spectroscopy of Co-precursor loaded PS(1779)-P2VP(857) reverse micelles after differe...
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Figure 6: Pt-4f and Fe-2p XPS spectra of 9.8 nm FePt particles before and after exposure to ambient air for 2...
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Figure 7: TEM images of 3 nm FePt NPs on Si/SiO2 after annealing at 650 °C for 90 min. (a) Bright-field TEM i...
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Figure 8: Aberration corrected HRTEM images of FePt particles seen along [100] direction. The L10 ordering al...
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Figure 9: Aberration corrected HR-TEM images of about 8 nm FePt NPs in [101] orientation. Crystal defects such as ...
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Figure 10: (a) Schematics of the compensation approach: Temperature dependence of the magnetic susceptibility ...
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Figure 11: (a) DC-demagnetization and isothermal remanent magnetization of 8 nm Co particles measured by SQUID...
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Figure 12: Element-specific magnetic hysteresis loops of 5.8 nm FePt NPs taken at the Fe-L3 edge at T = 11 K a...
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Figure 13: Coercive field at T = 300 K as function of the diameter of FePt NPs after annealing for 30 min at T...
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Figure 14: Experimental hysteresis loops of 5.8 nm FePt NPs at 11 K and simulations using a bimodal Gaussian K...
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Figure 15: Distributions of the effective anisotropy Keff for arrays of differently sized NPs used for simulat...
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Figure 16: (a) Coercive fields at T = 11 K and T = 300 K as function of 30 min annealing time at temperature TA...
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Figure 17: Co-L3,2 XA and XMCD spectra of 5.6 nm Co56Pt44 NPs after annealing at 700 °C taken at external fiel...
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Figure 18: Element-specific magnetic hysteresis loops of 5.8 nm Co56Pt44 NPs taken at the Co-L3 edge maximum d...
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Figure 19: SEM images of 8 nm Co-based NP after oxygen plasma (a) and after Au photoseeding of reduced particl...
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- Review
- Published 22 Nov 2010
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Figure 1: Schematic illustration of magnetic fluctuations in a nanoparticle. At low temperatures the directio...
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Figure 2: Schematic illustration of spin waves in macroscopic crystals (red arrows) and uniform excitations i...
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Figure 3: The reduced average magnetic hyperfine field
![[Graphic 3]](/bjnano/content/inline/2190-4286-1-6-i22.png?max-width=637&scale=1.18182)
as a function of temperature for particles of magneti...
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Figure 4: Parameters derived from inelastic neutron scattering data for 4.0 nm particles of maghemite: (a) En...
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Figure 5: The observed median hyperfine field for 20 nm hematite nanoparticles as a function of temperature. ...
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Figure 6: Inelastic neutron scattering data for 15 nm hematite particles measured at the scattering vector Q ...
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Figure 7: Schematic illustration of the uniform mode in antiferromagnetic nanoparticles: (a) At low temperatu...
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- Full Research Paper
- Published 22 Nov 2010
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Figure 1: Schematic representation of the experimental setup: the sample is placed behind the back focal plan...
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Figure 2: Evolution of the CoPt NPs size and shape as a function of the number of laser pulses. TEM images an...
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Figure 3: Evolution of the CoPt NPs size, shape, and crystalline structure during flash laser annealing. TEM ...
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- Full Research Paper
- Published 22 Nov 2010
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Figure 1: The connector (I–IV) and linker (a–e) units considered in this work. The same nomenclature is used ...
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Figure 2: Topologies of 2D COFs considered in this work: (from the left) Tl, Tt, Hl, and Ht. Red and blue blo...
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Figure 3: Layer stackings considered: AA, AB, serrated and inclined.
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Figure 4: The calculated and experimental [8,13,14] XRD patterns of PPy-COF (top), COF-10 (middle) and TP COF (bottom)....
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Figure 5: The reactants participating in the formation of 2D COFs.
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Figure 6: Total densities of states (DOS) (black) of AA (top left), AB (top right), serrated (bottom left), a...
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Figure 7: Partial density of states of carbon (left), boron (center), and oxygen (right) atoms of COFs built ...
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Figure 8: Partial density of states of carbon (left), boron (center), and oxygen (right) atoms of COFs built ...
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Supp. Info
- Letter
- Published 22 Nov 2010
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Figure 1: Step-by-step representation of a PSL/m-CVD approach to the patterned nucleation of ZnO nanocrystal ...
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Figure 2: Low- (left column) and high-magnification (right column) SEM images of various TiO2 seed patterns c...
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Figure 3: SEM images of ZnO nanocrystal clusters nucleated in shapes of an island array (a) and a honeycomb (...
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Figure 4: SEM image of ZnO nanocrystal clusters nucleated on a honeycomb pattern with the spatial pitch of 50...
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- Review
- Published 22 Nov 2010
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Figure 1: Schematic representation of the precursor concentration according to the LaMer model. The blue line...
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Figure 2: Interaction of different ligands with the surface of a metallic nanoparticle. There is only a singl...
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Figure 3: Transmission electron microscopy (TEM) images of Co particles of various sizes and morphologies syn...
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Figure 4: (a) Nanoparticles synthesized by micro emulsion approach and (b) by employment of the synthetic pro...
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Figure 5: Hypothesized particle formation during the biomineralization process in magnetotactic bacteria (in ...
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Figure 6: Dynamic evolution of different concentrations for the decay rates k1 = 0.00753 s−1 and k2 = 0.0136 s...
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Figure 7: Co particles with a diameter of 4.9 and 10 nm measured at room temperature shortly after the prepar...
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Figure 8: Self-assembled FeCo nanoparticles with different dimensions: (a) The 2D-monolayer of 4.6 nm sized s...
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Figure 9: (a) Scheme of two particles with a metallic core of radius R surrounded by a ligand shell of the th...
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Figure 10: Images of self-assembled spherical Co nanoparticles: (a) TEM image of a bimodal distribution; large...
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Figure 11: TEM images of self-assembled Co particles with different morphologies. Nanodisks exhibit a typical ...
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Figure 12: Schematic representation of the tunnel magnetoresistance (TMR) sensor setup for the detection of mu...
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Figure 13: Properties of the magnetoresistive sensors. (a) Comparison between experimental and numerical data....
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Figure 14: GMR response of a monolayer consisting of 8 nm Co particles covered by a thin Cu film. Measurements...
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Figure 15: Magnetoresistance measurements at room temperature on a granular system consisting of Co nanopartic...
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Figure 16: Magnetization evolution of four interacting magnetic dipoles arranged in the corners of a square wi...
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Figure 17: Equilibrium states of 10 × 10-particle arrays with cubic and hexagonal symmetry. Magnetic moments i...
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Figure 18: Direction dependent responses of different small particle assemblies to an external magnetic field....
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Figure 19: Response maps of a 10 × 10-hexagonal gGMR sensor for a probe particle with Rp = 50 nm and Mp = 500 ...
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Figure 20: Comparison between free (dotted) and hysteretic (line) sensor behavior for cubic and hexagonal symm...
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- Full Research Paper
- Published 29 Nov 2010
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Figure 1: Structure of CTA.
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Figure 2: a) Absorption intensity of the first exciton peak (619 nm), b) luminescence intensity of the emissi...
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Figure 3: a) Absorption spectra and b) PL spectra of NRs (aspect ratio 6) in chloroform solution for differen...
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Figure 4: a) TEM image of CdSe/CdS nanorods (aspect ratio 6) b) in the NR/P(LMA-co-EGDM) composite and c) a p...
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Figure 5: a) TEM image showing bullet shaped CdSe/CdS nanoparticles (aspect ratio 3), b) the NRs in the P(LMA-...
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Figure 6: a) Absorption spectra and b) PL spectra of P(LMA-co-EGDM) nanocomposites containing NRs (aspect rat...
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Figure 7: Absorption and PL spectra of NR/P(LMA-co-EGDM) composites containing 0.05 wt % NRs (aspect ratio 6)...
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Figure 8: Photograph showing the high transparency of a 5 mm thick 0.05 wt % NR/P(LMA-co-EGDM) composite.
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Figure 9: Photograph of CTA nanocomposite layers on glass substrates containing NRs (aspect ratio 6) illumina...
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Figure 10: a) Absorption spectra and b) PL spectra of CTA nanocomposites containing NRs (aspect ratio 6) for d...
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Figure 11: Decay curves of P(LMA-co-EGDM) and CTA nanocomposites containig aspect ratio 6 NRs.
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Figure 12: a) TEM images of a CTA nanocomposite layer with 2 wt % NRs (aspect ratio 6) and b) agglomerates wit...
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- Full Research Paper
- Published 01 Dec 2010
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Figure 1: AFM (a) and SEM (b) images showing the self-assembly of the NPs in a close-packed hexagonal structu...
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Figure 2: Top panel: High-resolution TEM cross-section images of non-ion-milled (a) and ion-milled (b) compos...
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Figure 3: Magnetic hysteresis loops at 330 K and 15 K for a monolayer film of nanoparticles (a) and the compo...
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Figure 4: (a) Dark-field TEM image of the cross section NPs/thin-film system showing the CoO layer at the int...
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Figure 5: ZFC/FC magnetic moment vs temperature measured in 500 Oe for a NP monolayer (green squares), non-io...
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Figure 6: Top panel: AFM images of the Co surface for the non-ion-milled (a) and ion-milled (b) composite sys...
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- Full Research Paper
- Published 03 Dec 2010
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Figure 1: WAXS diagram (top) and the related RDF (bottom). Black: experimental spectra of Fe NPs taken at roo...
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Figure 2: WAXS diagram (top) and the related RDF (bottom). Black: Fe NPs taken at room temperature; dark grey...
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Figure 3: XANES spectra taken at room temperature for metallic Fe NPs, compared to a Fe foil reference, and i...
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Figure 4: Top: Mössbauer spectra taken at different temperatures. Bottom: experimental spectra (symbols) take...
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Figure 5: Distributions of the IS and the µ0Hhyp used to fit the experimental Mössbauer spectrum measured at ...
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Figure 6: ZFC-FC magnetizations measured under µoH = 1 mT. Inset shows the extracted temperature dependence o...
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Figure 7: AC susceptibility measured for various frequencies (symbols) and their fits (solid lines).
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Figure 8: Hysteresis loop measured at 2 K. Inset: enlargement near zero field showing the coercive field.
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Figure 9: Magnetization curves in the superparamagnetic regime plotted versus the applied magnetic field (top...
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Figure 10: Relaxation time versus the inverse of temperature.
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Figure 11: FMR spectra collected for various T. Inset displays the evolution of geff versus 1/T.
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- Full Research Paper
- Published 07 Dec 2010
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Figure 1: CdSe sols of different colors, synthesized by the reaction of (a) 2 × 10−3 mol dm−3 Cd(AcO)2 and 1 ...
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Figure 2: Absorption spectra of PVA-capped CdSe quantum dots, synthesized by the reaction of a fixed Cd(AcO)2...
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Figure 3: Absorption spectra of PVA-capped CdSe quantum dots, synthesized by the reaction of a fixed Na2SeSO3...
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Figure 4: The effect of aging on the absorption spectrum of PVA-capped CdSe quantum dots synthesized by the r...
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Figure 5: Steady-state fluorescence spectra of PVA-capped CdSe quantum dots, synthesized by the reaction of (...
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Figure 6: XRD patterns of PVA-capped CdSe quantum dots, synthesized by the reaction of (a) 2 × 10−3 mol dm−3 ...
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Figure 7: Williamson–Hall plot of PVA-capped CdSe quantum dots, synthesized by the reaction of 2 × 10−3 mol dm...
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Figure 8: EDAX pattern of PVA-capped CdSe quantum dots synthesized by the reaction of 2 × 10−3 mol dm−3 Cd(Ac...
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Figure 9: Typical TEM image of the CdSe quantum dots, synthesized by the reaction of 2.0 × 10−3 mol dm−3 Cd(A...
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Figure 10: AFM image of the CdSe quantum dots, synthesized by the reaction of 2.0 × 10−3 mol dm−3 Cd(AcO)2 wit...
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- Full Research Paper
- Published 09 Dec 2010
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Figure 1: SEM image of a ZnO-seeded ITO substrate annealed at 500 °C for 30 min.
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Figure 2: Top view of ZnO nanorod arrays grown on a ZnO-seeded ITO substrate at 90 °C for 10 h.
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Figure 3: Evolution of the morphology of ZnO nanocrystals ranging from rods to tubes while the solution was k...
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Figure 4: Growth temperature and measured pH value as a function of growth time for the formation of ZnO nano...
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Figure 5: A schematic showing the evolution growth of ZnO nanocrystals from rod to tube shape as the growth t...
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Figure 6: SEM top morphology of ZnO nanorod arrays grown on a ZnO-seeded ITO substrate at 60 °C for 24 h.
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Figure 7: SEM images of (a) ZnO nanorods grown at 90 °C for 3 h and then 60 °C for 5 h, and (b) nanotubes gro...
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- Full Research Paper
- Published 14 Dec 2010
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Figure 1: SEM image of MWCNTs-modified GC electrode.
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Figure 2: Cyclic voltammograms of the GC/MWCNTs electrode in phosphate buffer at different scan rates (5, 10,...
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Figure 3: Cyclic voltammograms of the GC/MWCNTs electrode at pH 6.0 (a), pH 7.5 (b) and pH 9.0 (c) phosphate ...
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Figure 4: IR spectra of MWCNTs sample.
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Figure 5: Plots of anodic peak potential and cathodic peak potential against the logarithm of scan rate. All ...
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Figure 6: Cyclic voltammograms of GC (a), GC/L-proDH (b), GC/MWCNTs (c) and GC/MWCNTs/L-proDH (d) electrodes ...
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Figure 7: Amperometric response of GC/MWCNTs/L-proDH to the successive addition of 0.1 mM L-proline at an app...
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Figure 8: Lineweaver–Burke plot of 1/I vs 1/CL-proline.
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- Review
- Published 16 Dec 2010
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Figure 1: DMR assay configurations with magnetic nanoparticles (MNPs). (a) Magnetic relaxation switching (MRS...
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Figure 2: Higher r2-relaxivity MNPs developed to improve detection sensitivity of in vitro diagnostics. (a) T...
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Figure 3: Bioorthogonal nanoparticle detection (BOND) strategy for DMR detection. The schematics show the con...
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Figure 4: Miniaturized devices developed for DMR biosensing. (a) The first-generation miniaturized device to ...
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Figure 5: DMR detection of proteins and enzyme activities with MRSw sensors.
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Figure 6: DMR detection of bacteria by tagging the bacterial samples with MNPs. (a) Scanning electron microgr...
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Figure 7: Tumor cell detection and profiling with the µNMR device. (a) Human breast cancer cells (BT474) were...
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- Full Research Paper
- Published 22 Dec 2010
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Figure 1: (a) A sharp nanotip follows a raster scan pattern with consecutive scan lines separated by a distan...
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Figure 2: Angle of motion θ of a nanosphere (solid curve) and a nanowire (dashed curve) as a function of the ...
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Figure 3: Angle of motion θ of 2k-branched symmetric islands as a function of the distance b between consecu...
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Figure 4: Angular velocity of the islands as a function of b. k = 2 (squares), k = 3 (circles) and k = 4 (tri...
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- Full Research Paper
- Published 22 Dec 2010
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Figure 1: Schematic top view of the MEMS tribometer for studying microscale friction [19]. Several slider types h...
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Figure 2: Typical 1000-cycle-average friction loops obtained with the tribometer of Figure 1 [19], at 27 °C and a relativ...
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Figure 3: Determination of the average friction force. The area enclosed by the dashed lines provides the bes...
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Figure 4: The average friction force (determined as depicted in Figure 3) as a function of the normal load is more or...
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Figure 5: The counter-surface is held by two small beams. After the experiments, the beams can be broken and ...
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Figure 6: Autocorrelation function Rxx(x) of a pristine sidewall surface measured with AFM, and theoretical e...
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Figure 7: Examples of curves simulated with the stochastic Prandtl–Tomlinson model for two realizations of th...
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Figure 8: Modulation of the normal force at a frequency much higher than the frequency of the stick-slip even...
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Figure 9: The major features of the experiment shown in Figure 8, including the amplitude reduction and the visibilit...
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Figure 10: Calculated and measured friction reduction as a function of vibration amplitude (frequency held con...
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- Full Research Paper
- Published 22 Dec 2010
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Figure 1: Block diagram of the optical beam detection system. A typical power spectral density spectrum of th...
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Figure 2: Results from the Fourier transform method, adapted from [9]. a) Power spectral density of the thermal ...
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Figure 3: Comparison between the Fourier transform and the wavelet transform analysis. a) The time signal, a ...
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Figure 4: a) Complex Gabor wavelet with different shaping factors. An increase of GS corresponds to more osci...
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Figure 5: Continuous wavelet transform of a delta-like signal in time and a delta-like signal in frequency, a...
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Figure 6: a) Power spectral density of the Brownian motion of the first flexural mode of the same temporal tr...
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Figure 7: Wavelet transform of the cantilever thermal fluctuations around its instantaneous equilibrium posit...
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Figure 8: Force gradient versus tip-sample distance for the first flexural mode near the jump-to-contact. The...
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- Review
- Published 28 Dec 2010
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Figure 1: The relaxation time of 4.7 nm Fe100−xCx nearly monodisperse particles suspended in decalin as a fun...
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Figure 2: Schematic illustration of interacting magnetic nanoparticles. (a) Isolated nanoparticles dominated ...
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Figure 3: Mössbauer spectra of 8 nm hematite particles (a) coated (non-interacting) and (b) uncoated (strongl...
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Figure 4: Neutron diffraction data for interacting 8 nm α-Fe2O3 particles obtained at 20 K. The inset shows a...
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Figure 5: The normalized magnetic energy, E(θ)/KV (Equation 9) for different values of the ratio between the interactio...
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Figure 6: Temperature dependence of the median value of the order parameter, b50(T) for interacting 20 nm hem...
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Figure 7: Mössbauer spectra of 8 nm hematite nanoparticles ground in a mortar with η-Al2O3 nanoparticles for ...
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Figure 8: (a) The quadrupole shift of coated (open circles) and uncoated (solid circles) 8 nm hematite partic...
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