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Quantitative atomic force measurement with a quartz tuning fork
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10.1063/1.2756125
/content/aip/journal/apl/91/2/10.1063/1.2756125
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/2/10.1063/1.2756125
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Electrically driven (ED) Q-Plus. The experimental plot of measured amplitude is well fitted by Eq. (1) and the resulting fitting parameters are used to construct the phase curve of Eq. (2). (b) Mechanically driven (MD) Q-Plus. The experimental resonance curve fits well Eq. (1) with .

Image of FIG. 2.
FIG. 2.

(Color online) (a) Model circuit for electrically driven (ED) Q-Plus. [(b) and (c)] Comparison of the converted motion of ED Q-Plus, described by Eqs. (3) and (4), with the motion of the actual mechanically driven (MD) Q-Plus vs the change of (b) driving frequency and (c) driving amplitude of at .

Image of FIG. 3.
FIG. 3.

(Color online) Comparison of preassumed applied force and reconstructed forces for different operation modes: (i) MD mode, (ii) ED mode which is converted by the conversion formulas [Eqs. (3) and (4)], and (iii) pure ED mode. Excellent agreement is found in both cases of (i) and (ii) but not for the case of (iii). Here , , and .

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/content/aip/journal/apl/91/2/10.1063/1.2756125
2007-07-12
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Quantitative atomic force measurement with a quartz tuning fork
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/2/10.1063/1.2756125
10.1063/1.2756125
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