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(Color online) Shows the experimentally obtained amplitude signal during ESM-AFM imaging. (a) and (b) shows the amplitude profile and reliability index when imaging rectangular and triangular samples, respectively.
(Color online) Shows the experimental vertical piezoactuation signals during TM-AFM imaging. (a) and (b) shows the height profile based on vertical actuation signal when imaging rectangular and triangular samples, respectively.
Model of the cantilever near its resonant frequency is mimicked by a high speed electrical circuit implemented on Xilinx Virtex II Pro XC2VP30 FPGA. Nonzero value of arises from initial condition mismatch, , and .
(Color online) In (a) and (b), a rectangular profile is imaged at 20 and , respectively.
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