9 article(s) from Garcia, Ricardo
- Full Research Paper
- Published 21 Sep 2017
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Figure 1: Schematized description of the selected chemical epitaxy DSA processes performed on grafted brush l...
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Figure 2: SEM images of PS-b-PMMA BCP after removal of the PMMA blocks prepared after EBL and oxygen plasma f...
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Figure 3: HAXPES spectra corresponding to the C 1s region of grafted PS–OH samples (a) cooled in nitrogen, (b...
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Figure 4: AFM topography (a) and phase (b) images of a chemical guiding pattern created by EBL followed by ox...
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Figure 5: HAXPES spectra corresponding to the C 1s region of (a) unmodified and (b) modified samples, respect...
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Figure 6: (a) C 1s XPS spectra of a grafted brush PS–OH layer after annealing at 230 °C and cooling in nitrog...
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Figure 7: (a) AFM topography image and profile of the PS–OH brush annealed and cooled down in nitrogen after ...
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- Full Research Paper
- Published 28 Apr 2015
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Figure 1: (a) Scheme of the excitation and detection signals in bimodal AM configuration. (b) Definition of p...
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Figure 2: Bimodal AM in the attractive regime. (a) Phase shift dependence on the amplitude ratio of the first...
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Figure 3: Phase contrast in bimodal AM in the presence of dissipation (attractive regime). (a) Phase shift de...
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Figure 4: (a) Total dissipated power as a function of A1/A01 (gold). (b) Total dissipated power as a function...
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Figure 5: Inverted bimodal AM. (a) Phase shift dependence on the amplitude ratio (A2/A02). The value of the H...
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Figure 6: Comparison between direct and inverted bimodal AM. (a) Amplitude ratio dependence on the average ti...
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Figure 7: Bimodal AM in the repulsive regime. (a) Phase shift dependence on the amplitude ratio of the first ...
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Figure 8: Trimodal AFM in the attractive regime. (a) Phase shift of the second mode dependence on A1/A01 for ...
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Figure 9: Bimodal versus trimodal AM (attractive regime). (a) Phase shift of the second mode dependence on A1/...
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- Full Research Paper
- Published 04 Feb 2015
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Figure 1: Graphical user interface of dForce. (a) Main menu. It is divided in three sections, two horizontal ...
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Figure 2: dForce simulation of AM-AFM for a tip–surface force that includes van der Waals and DMT. (a) Instan...
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Figure 3: AM-AFM comparison of cantilever dynamics, air versus liquid. (a) Amplitude versus average tip–surfa...
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Figure 4: AM-AFM comparison of cantilever dynamics, hard versus soft materials. (a) Amplitude versus average ...
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Figure 5: AM-AFM simulations for a viscoelastic material. (a) Force–distance curve for the linear viscous mod...
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Figure 6: Bimodal AFM tip motion. The tip oscillation (blue), instantaneous force (red) and velocity (green) ...
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Figure 7: Material contrast in bimodal AFM. Phase shift as a function of the set-point amplitude in bimodal A...
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- Full Research Paper
- Published 10 Apr 2014
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Figure 1: (A) Scheme of experimental setup. (1) V-shaped cantilever-tip ensemble; (2) cell membrane; (3) cell...
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Figure 2: Force and fluorescence microscopy images of bladder cells. (A–D) Non-malignant cells, HCV29; (E–H),...
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Figure 3: Total expression of actin in human bladder cells. The used antibody targets all known actin isoform...
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Figure 4: (A) Exemplary force curve recorded on a HT-1376 cell (blue dots). The red solid line represents a c...
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Figure 5: Distribution of Young’s moduli determined by fitting the curves within the indentation range up to ...
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Figure 6: (A) Elasticity of living bladder cells as a function of the indentation depth. The data is presente...
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- Full Research Paper
- Published 06 Dec 2013
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Figure 1: Peak forces, tip motion and contact time for two materials. (a) Soft sample (Es = 50 MPa) simulated...
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Figure 2: Peak force dependence on the Young modulus of the sample for different numerical simulations (Hertz...
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Figure 3: Dependence of the peak force on the set-point amplitude for different numerical simulations (Hertz ...
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Figure 4: Normalized indentation as a function of the Young modulus of the sample for the Hertz and Tatara mo...
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Figure 5: Lateral resolution maps for Hertz and Tatara contact mechanics. (a) Es = 50 MPa. (b) Es = 2 GPa. Fi...
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- Full Research Paper
- Published 20 Jun 2012
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Figure 1: In a bimodal AFM setup, two eigenmodes are driven simultaneously using the same dither piezo. Corre...
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Figure 2: (a) Monomodal APD curves obtained for silicon (red squares) and polystyrene (black circles) by exci...
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Figure 3: Bimodal APD curves for (a) silicon and (b) polystyrene (A01 = 20 nm) obtained with simultaneous exc...
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Figure 4: First (a,b) and second eigenmode (c,d) amplitude (a,c) and phase images (b,d) measured on the surfa...
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Figure 5: Bimodal AFM images measured on the surface of a thin film of a cylinder formed of SB diblock copoly...
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Figure 6: (a) Bimodal AFM deflection signal and (b) Fourier analysis of the time trace obtained for the SB sa...
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- Full Research Paper
- Published 07 Mar 2012
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Figure 1: (a) Scheme of the first two eigenmodes of a cantilever and the tip deflection under bimodal excitat...
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Figure 2: Fractional operators of (0.14/x6 − 1/x2). (a) The function, half-derivative and derivative are plot...
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Figure 3: Comparison between the general expression (Equation 6) and the half-derivative (Equation 16) relationship to the frequen...
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Figure 4: Comparison between the general expression (Equation 23) and the half-integral relationship (Equation 24) to the frequency...
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Figure 5: Comparison between the general expression for the frequency shift of the second mode in bimodal FM-...
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