- Full Research Paper
- Published 24 Nov 2021
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Figure 1: (a) AFM frequency sweep measurements depicted by photodiode detector amplitudes versus photothermal...
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Figure 2: Detailed dynamic behavior of two numerical simulations at steady-state and at resonance: low bendin...
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Figure 3: Steady-state periodic orbits (nonlinear normal modes) from simulations in Figure 1 projected onto phase spa...
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Figure 4: Infographic for summary of linear, nonlinear softening, and tip–sample detachment regimes for quali...
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Figure 5: (a) CR-AFM schematic for equipment layout depicting the key components for excitation and measureme...
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- Full Research Paper
- Published 23 Nov 2021
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Figure 1: The dependence of the critical current (black dots) and the characteristic length of the Josephson ...
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Figure 2: IVCs of a Josephson junction without an MW signal (blue dots), under the action of an external sign...
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Figure 3: The dependence of the first Shapiro step amplitude on the temperature for 72 and 265 GHz radiation ...
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Figure 4: max ΔI1 as function of Fmw at various temperatures. The dotted lines mark the position of the two f...
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Figure 5: The first Shapiro step as function of Pmw at three temperatures and under a signal at 72 GHz (upper...
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- Full Research Paper
- Published 22 Nov 2021
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Figure 1: Schematic view of the prepared structures.
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Figure 2: (a) SEM image of gold plasmonic platform, (b) HRTEM image of the cross section of a single gold nan...
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Figure 3: Transmittance spectrum of a gold plasmonic platform.
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Figure 4: XPS spectra of Ti2p and Eu4d spectra of TiO2:Eu luminescent film.
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Figure 5: UV–vis spectra of a TiO2:Eu film and TiO2:Eu films deposited on the plasmonic platform without a di...
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Figure 6: Excitation and emission spectra of a TiO2:Eu film and TiO2:Eu films deposited on the plasmonic plat...
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Figure 7: XPS spectra of Te 3d and Eu 4d regions of the TeO2:Eu luminescent layer.
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Figure 8: Depth profile of the chemical composition of TeO2:Eu thin film.
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Figure 9: UV–vis spectra of a TeO2:Eu film and TeO2:Eu films deposited on the plasmonic platform without a di...
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Figure 10: Excitation and emission spectra of TeO:Eu-based structures.
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Figure 11: Comparision of the maxmimum of ecxitation and emission peaks for TiO2:Eu and TeO2:Eu thin films, an...
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Figure 12: UV–vis spectra of a TeO2:Eu film and TeO2:Eu films deposited on a plasmonic platform with dielectri...
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Figure 13: Excitation and emission spectra of a TeO2:Eu film and TeO2:Eu films deposited on a plasmonic platfo...
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- Full Research Paper
- Published 19 Nov 2021
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Figure 1: FTIR spectra of the produced samples: i) neat PVDF-TrFE; ii) PVDF-TrFe filled with CoFe2O4 nanopart...
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Figure 2: Value of d33 of the nanocomposites as a function of the CoFe2O4 content.
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Figure 3: Value of d33 of nanocomposites with 5 wt % of CoFe2O4 as a function of the DC magnetic field streng...
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Figure 4: Value of d33 of the nanocomposites with 5 wt % of CoFe2O4 as a function of the application time of ...
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Figure 5: FE SEM images of (a) CoFe2O4 nanoparticles and (b) PVDF-TrFe/CoFe2O4 with 5 wt % of CoFe2O4.
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Figure 6: FESEM images of PVDF-TrFe/CoFe2O4 nanocomposites with 5 wt % of CoFe2O4 magnetically poled at 111 m...
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Figure 7: (a) SEM image and (b–d) EDX maps of (b) oxygen, (c) cobalt, and (d) iron of the PVDF-TrFe/CoFe2O4 n...
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Figure 8: Pictures of the experimental setup. (a) System adopted to apply the DC magnetic field and (b) a det...
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- Full Research Paper
- Published 18 Nov 2021
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Figure 1: SEM images of (a) PVdF-HFP, (b) {(PVdF-HFP)-[BDiMIM][Cl]} (4:6), and (c) ({(PVdF-HFP)-[BDiMIM][Cl]}...
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Figure 2: XRD spectra of (a) a pure PVdF-HFP film, (b) {(PVdF-HFP)-[BDiMIM][Cl]} (4:6), (c) {(PVdF-HFP)-[BDiM...
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Figure 3: Room-temperature electrical conductivity of the polymer/ionic liquid blend as a function of the ion...
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Figure 4: Variation of the electrical conductivity of a polymer gel electrolyte as a function of the polymer/...
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Figure 5: Variation of the electrical conductivity of an optimized polymer gel as a function of the temperatu...
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Figure 6: (a) Variation of the dielectric constant of a polymer gel electrolyte system as a function of frequ...
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Figure 7: (a) Variation of the real part of the modulus of polymer gel electrolytes as a function of frequenc...
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Figure 8: Variation of the ionic conductivity as a function of frequency at various temperatures.
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Figure 9: Variation of the loss tangent (tan δ) as a function of frequency at different temperatures.
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Figure 10: Linear sweep cyclic voltammetry curve of polymer gel electrolytes (cell stainless steel | polymer g...
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Figure 11: A dc polarization curve as a function of time for a polymer gel electrolyte.
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- Review
- Published 17 Nov 2021
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Figure 1: Schematic representation of the definition of slip lengths: (a) no-slip, (b) true slip length, (c) ...
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Figure 2: Variation of slip length with static contact angle for water flow on different types of smooth surf...
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Figure 3: Comparison between the friction coefficients of water on graphene and boron nitride surfaces. The i...
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Figure 4: Variation of negative slip length values with an external driving force. The uncertainty of the MD ...
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Figure 5: Electrical double layer (EDL) model at the solid–liquid interface and the plug-like shape of the ve...
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Figure 6: Representative roughness elements: (a) grooves, (b) pillars, (c) a rough surface with a sine/cosine...
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Figure 7: Variation of effective slip length with the amplitude of periodic structured surfaces when the (a) ...
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Figure 8: Variation of the effective slip length with streaming flow direction. The inset indicates the liqui...
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Figure 9: Sketch of the Cassie state of the liquid flow on a periodic structured surface.
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Figure 10: Schematic illustration of electro-osmosis process through a nanofiltration membrane.
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- Full Research Paper
- Published 15 Nov 2021
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Figure 1: Approach (blue dots) and retraction (red triangles) curves. Change in amplitude (a) and frequency (...
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Figure 2: Vertical mode imaging. AFM images of the top of a broken micropipette (a) and an intact micropipett...
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Figure 3: AFM image of the tip on a test grating TGT1 (a); time of the measurement at a point (b).
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Figure 4: Dissipation mode. Self-organization of palmityl palmitate on graphite. Topography (a, b) and shift ...
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- Published 12 Nov 2021
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Figure 1: Schematic of capacitively coupled side attached quantum dots IQDs (DTQD) with electron-phonon coupl...
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Figure 2: (a) Partial conductance of a single T-shaped system TQD with a phonon mode coupled to a OQD plotted...
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Figure 3: (a) Charge stability diagram of a TQD with a phonon coupled to the IQD as a function of gate voltag...
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Figure 4: (a) Partial conductance of TQD for Ef = 0.5 with visible effect of charge Kondo resonance at λI = 0...
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Figure 5: (a) Comparison of gate voltage dependencies of the TQD conductance with a phonon coupled to the IQD...
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Figure 6: Relative Kondo temperatures vs e–ph coupling strength of TQD and DTQD coupled to the single phonon ...
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Figure 7: Partial conductance of a DTQD with phonons coupled to OQDs as a function of λO for different Fano f...
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Figure 8: (a) Charge stability diagram of a DTQD with phonons coupled to the interacting dots as a function o...
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Figure 9: (a) Partial conductance of a DTQD with a pair of phonons as function of e–ph coupling λI for Ef = −...
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Figure 10: (a) Partial conductance of DTQD with a pair of phonons as a function of e-ph coupling λI with Ef = ...
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Figure 11: Partial conductance and occupancies (insets) of DTQD coupled to a single phonon. (a) Ef = 3 (0→4 tr...
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- Review
- Published 09 Nov 2021
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Figure 1: Fractals in nature. Various fractal geometries found in nature: (a) human lung network, (b) snowfla...
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Figure 2: (a) Fractal morphology. Fractal length scales depicting the change in fractal geometry as a functio...
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Figure 3: SnO2 fab-fracs. Various shapes of large-scale SnO2 fab-fracs synthesized under controlled condition...
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Figure 4: Growth of sol–gel-grown fab-fracs. The schematic depicts the growth mechanism of fab-fracs in diffe...
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Figure 5: SnO2 fractals for H2 sensing. SEM images of samples calcined at 550 °C displaying a microstructure ...
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Figure 6: SnO2 dendritic nanowires. SEM images of SnO2 DNWs at low (a) and high (b) magnifications, respectiv...
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Figure 7: Leaf-like SnO2. (a–f) SnO2 SEM images of samples obtained after different reaction times, (g) schem...
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Figure 8: Density and dimension of SnO2 fractal films. (a–d) SEM images and (e) CO gas sensing behavior of SnO...
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Figure 9: SnO2 fractal ethanol sensors. Typical SEM images with (a) low and (b) high magnification of the gro...
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Figure 10: SnO2/CuO nanoscale hybrid dendrites. SEM images of (a) Sn–Cu porous foams, (b) the 3D interlock net...
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Figure 11: TiO2 fractals. (a) Top-view SEM image of TiO2 fractals. (b) Double-log plot of foreground pixel num...
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Figure 12: TiO2 fractals on candle soot templates. SEM images of (a) top-view morphology and (b) thickness of ...
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Figure 13: Hematite fractals. SEM images of (a) dendrites, (b) nanocubes, (c) rhombohedra, and (d) spindles of...
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Figure 14: Dandelion-like ZnO fractals. (a–f) SEM images of the samples annealed at different temperatures. Th...
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Figure 15: ZnO nanoscale flowers. SEM images of the samples prepared with a reaction time of (a, b) 2 h and (c...
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Figure 16: ZnO dendritic sensor. (a) Schematic illustration and (b) SEM micrograph of a ZnO dendrite gas senso...
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Figure 17: Si/WO3 nanowires. (a–d) SEM images of Si/WO3 NWs, (e) HRTEM image of a WO3/SiNW interface, (f) XRD ...
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Figure 18: WO3 dendrites. (a, b) SEM images of the grown hierarchical WO3 dendrites at low and high magnificat...
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Figure 19: Bismuth vanadate hyperbranched structures. (a) FESEM image of hyperbranched m-BiVO4; (b) magnified ...
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Figure 20: Bismuth vanadate dendrites. SEM images of (a) GO, (b) rGO, (c) pure pine dendritic BiVO4, and (d) B...
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Figure 21: CdS dendrites. (a, b) CdS dendrites observed under SEM and TEM. The marked regions “c” and “e” were...
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Figure 22: Au–Bi2O3 fractals. (a) Schematic of a Au–Bi2O3 fractal shown with magnified regions showing reducti...
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Figure 23: Co3O4 dendrites. SEM images of (a, b) precursor and (c, d) Co3O4 nanostructure; (e, f) TEM images o...
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Figure 24: Gas sensing mechanisms. The schematic presents the different mechanisms through which SMO sensors c...
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- Full Research Paper
- Published 19 Oct 2021
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Figure 1: SEM images of (a–c) fibres without cobalt additives and (d–f) fibres with 1.0 wt % Co.
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Figure 2: EDX mapping results of a fibre mat containing cobalt, after carbonisation at (a–d) 700 °C and (e–h)...
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Figure 3: XRD diffractograms of fibres with (a) 1.0 wt % Co and (b) without additives, carbonised at the indi...
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Figure 4: (a–c) Selected Co 2p XPS spectra of samples containing cobalt carbonised at the indicated temperatu...
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Figure 5: Raman spectra normalised to the height of the D peak for samples with (a) 1.0 wt % Co and (b) witho...
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Figure 6: (a) Exemplary XPS C 1s range of a sample containing cobalt carbonised at 900 °C, (b) relative area ...
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Figure 7: (a) Calculated ratio of molar fractions of nitrogen and carbon and (b) pyridinic nitrogen and the p...
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Figure 8: Linear sweep voltammetry measurements of fibre-based electrodes using fibres carbonised at the indi...
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Figure 9: (a) EOCP values from LSV measurements. (b) Current density at a given overpotential of 100 mV vs EO...
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Figure 10: Potential during chronopotentiometry applying constant current densities of 2, 4, 6, and 2 mA·cm−2 ...
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