7 article(s) from Reichling, Michael
- Full Research Paper
- Published 22 Sep 2020
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Figure 1: Dumbbell shape of single FDCA molecules. Quadruped binding motif of FDCA on CaF2(111) (adapted from ...
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Figure 2: High-resolution NC-AFM imaging and simulation. Experimental and simulated frequency-shift images of...
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Figure 3: NC-AFM image calculation for a
![[Graphic 10]](/bjnano/content/inline/2190-4286-11-127-i10.svg?max-width=637&scale=1.18182)
row of FDCA molecules in geo 2. (a–c) Constant-height frequency-shi...
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- Full Research Paper
- Published 01 Apr 2019
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Figure 1: (a) STM image of a 160 nm wide, one-layer thick graphene flake (encircled); (b) cut out portion and...
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Figure 2: (a) Cut-out portion of the STM image showing the final superlattice with [210] tearing direction nu...
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Figure 3: (inset) Sphere–plane geometry with an atomically sized sphere of radius R1 at the tip side (A-side)...
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Figure 4: Force-vs-distance (x) curve according to Equation 3 plotted for s = 5 nm.
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- Full Research Paper
- Published 01 Dec 2016
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Figure 1: Schematic representation of functional elements of an NC-AFM described by transfer functions Hy. Qu...
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Figure 2: Model for signal and noise propagation in an NC-AFM, highlighting the tip–sample interaction, PLL d...
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Figure 3: Relations between the piezo position zp (tip position for resting cantilever), the lower turning po...
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Figure 4: Determination of the tip–sample interaction parameter βts from the slope of a measured Δf(zp) curve...
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Figure 5: Measured noise spectral density (solid lines) of (a, b) the frequency shift signal and (c, d) the a...
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Figure 6: Frequency shift noise spectral density dΔf for the case of significant tip–sample interaction measu...
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Figure 7: (a, b) Frequency shift noise spectral density dΔf and (c, d) topography noise spectral density
![[Graphic 32]](/bjnano/content/inline/2190-4286-7-181-i73.png?max-width=637&scale=1.18182)
wit...
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Figure 8: (a, b) Frequency shift noise spectral density dΔf and (c, d) topography noise spectral density
![[Graphic 34]](/bjnano/content/inline/2190-4286-7-181-i75.png?max-width=637&scale=1.18182)
wit...
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Figure 9: (a) Block diagram of interlaced control loops as introduced in Figure 2 and (b) signal-flow graph to demons...
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Figure 10: (a) Calculated gain and (b) calculated step response of the amplitude control loop compared to (c) ...
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Figure 11: (a) Calculated gain and (b) calculated step response of the PLL compared to (c) the measured step r...
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Figure 12: (a, b) Frequency response and (c, d) step response of the distance control loop for a given tip–sam...
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Figure 13: Ratio δα = −αts,2/αts,1 as a function of the z-position and the amplitude. A Morse interaction usin...
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- Full Research Paper
- Published 10 Jun 2016
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Figure 1: Details of the NC-AFM measuring head in a front and side view showing the interferometric setup wit...
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Figure 2: Schematic representation of the interferometer setup, signal path and cavity parameters. Signal pow...
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Figure 3: Schematic representation of three common types of misalignment of fiber and cantilever; (a) lateral...
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Figure 4: Schematic representation of the interferometer signal Psig as a function of the fiber–cantilever di...
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Figure 5: Signal power over distance measurements for three differently positioned cantilevers. Cantilever 1 ...
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Figure 6: Lateral interference patterns for cantilever 4 scanned by the fiber-positioning piezo for (a) Fabry...
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Figure 7: Interference patterns for cantilever 4 generated from the 3D intensity map data for (a,d) Fabry–Pér...
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Figure 8: Interferometer signal power Psig of the main maximum (black) and a side maximum (gray) measured for...
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Figure 9: Displacement spectral density
![[Graphic 27]](/bjnano/content/inline/2190-4286-7-76-i36.png?max-width=637&scale=1.18182)
of the noise floor of the interferometer signal as a function of the...
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- Full Research Paper
- Published 28 Mar 2013
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Figure 1: Displacement noise spectral density
![[Graphic 34]](/bjnano/content/inline/2190-4286-4-23-i40.png?max-width=637&scale=1.18182)
measured for the fundamental mode of cantilever V 4. Measureme...
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Figure 2: (a) Measured resonance curve (solid line) of the excited cantilever V 4 with a fit (dotted line) of ...
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Figure 3: Frequency shift noise spectral density
![[Graphic 23]](/bjnano/content/inline/2190-4286-4-23-i29.png?max-width=637&scale=1.18182)
measured for cantilever V 4 (A0 = 16.8 nm, demodulator band...
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- Full Research Paper
- Published 17 Jan 2013
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Figure 1: Schematic representation of the signal path in an NC-AFM system based on optical beam deflection wi...
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Figure 2: Illustrative representation for the spectral density of the displacement of a cantilever excited to...
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Figure 3: Illustrative representation of noise properties for a cantilever with f0 = 70 kHz, k = 2.5 N/m and Q...
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Figure 4: Illustrative representation of the noise spectral density for the total frequency-shift noise
![[Graphic 53]](/bjnano/content/inline/2190-4286-4-4-i64.png?max-width=637&scale=1.18182)
= ![[Graphic 32]](/bjnano/content/inline/2190-4286-4-4-i43.png?max-width=637&scale=1.18182)
f...
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Figure 5: Frequency response of the high-bandwidth preamplifier (bandwidth 3.1 MHz) and the low-bandwidth pre...
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Figure 6: Measured and modelled noise figures for system C. (a) Different levels of displacement noise spectr...
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Figure 7: (a) Measured (solid) and modelled (dashed) frequency-shift-noise spectral density
![[Graphic 56]](/bjnano/content/inline/2190-4286-4-4-i67.png?max-width=637&scale=1.18182)
using three diff...
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Figure 8: (a) RMS frequency-shift noise δf and (b) normalised RMS frequency-shift noise δγ in the limit of pu...
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- Full Research Paper
- Published 19 Sep 2012
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Figure 1: Structure models of 2CHd-10 (inversion symmetry) and 1CHn-10 (asymmetric). The coloured region repr...
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Figure 2: AFM images of randomly oriented (a) 2CHd-10 crystallites and (b) 1CHn-10 fibril bundles on HOPG obt...
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Figure 3: AFM images of (a) 2CHd-14 and (b) 2CHd-6 on HOPG taken to demonstrate the capability of the 2CHd-n ...
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Figure 4: (a) STM image of two adjacent 2CHd-10 elementary fibrils on HOPG. Imaging parameters are Vt = 1.3 V...
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Figure 5: (a) Planar-sheet model (net) of a 2CHd-10 fibril section. The dashed line is drawn parallel to the ...
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Figure 6: (a) STM image showing a single-strand and a three-strand fibril of 1CHn-10 on HOPG. Imaging paramet...
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Figure 7: (a) Planar sheet (net) model (for representational purpose only) of a 1CHn-10 fibril section. The d...
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