This search combines search strings from the content search (i.e. "Full Text", "Author", "Title", "Abstract", or "Keywords") with "Article Type" and "Publication Date Range" using the AND operator.
Beilstein J. Nanotechnol. 2014, 5, 1–18, doi:10.3762/bjnano.5.1
Figure 1: An OpAmp circuit and its equivalent circuit of forward gain A and feedback gain F.
Figure 2: PLL: in the blue box, the components belonging to the forward gain APLL, i.e., NCO, probe, optical ...
Figure 3: Resonance frequency shift resulting from applying a voltage between a retracted tip and sample (bla...
Figure 4: Phase detector output as function of modulation frequency (black squares), fitted with Equation 4, using fexc...
Figure 5: Noise PSD at the photodetector output. Fiteed with Equation 9 (green) and decomposition into thermal excitati...
Figure 6: Vector diagram showing the impact of amplitude noise on phase noise in the complex plain: main vect...
Figure 7: Phase noise PSD at the lock-in phase detector output in open PLL loop and under probe excitation at ...
Figure 8: Closed loop PLL response: measured (black squares) and computed (red line) according to Equation 16.
Figure 9: Output noise PSD of the PLL in closed loop configuration: measured (black squares) and modeled acco...
Figure 10: Kelvin loop and its equivalent circuit: the forward gain AK is the transfer function between Vpert ...
Figure 11: Measurement of static forward gain of the open Kelvin loop.
Figure 12: Schematic forward and reciprocal feedback response, for illustrating the choice of the Kelvin feedb...
Figure 13: Measured (black squares) and calculated (red line) Kelvin closed loop gain of the setup of Figure 10.
Figure 14: Measured (black squares) and computed (green line) Kelvin closed loop noise PSD of the setup of Figure 10. A...
Figure 15: Design rule for cutoff and modulation frequencies in FM-KFM: gain of the PLL controller (continuous...
Figure 16: Effective probed surface Seff depending on tip–sample separation z.
Figure 17: Probe in the attractive part of the Van-der-Waals interaction.