Simultaneous atomic force microscope and quartz crystal microbalance measurements: Interactions and displacement field of a quartz crystal microbalance

被引：11

作者：

Friedt, JM ^{[1
]}

Choi, KH ^{[1
]}

Francis, L ^{[1
]}

Campitelli, A ^{[1
]}

机构：

[1] IMEC, B-3001 Louvain, Belgium

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2002年 / 41卷 / 6A期

关键词：

QCM; displacement; resonance frequency; quality factor; AFM;

D O I：

10.1143/JJAP.41.3974

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

lWe analyze the interaction of two instruments often used in material science analysis. the atomic force microscope (AFM) and the quartz crystal microbalance (QCM), here combined in a single instrument for simultaneous measurement,, oil a single sample. We show. using finite element analysis, that the in-plane displacement of a QCM oscillating ill liquid with a quality factor of 2000 is 2 nm. The out-of-plane displacement is about one tenth of the in-plane displacement. This latter effect, title to the finite size of the electrodes. results in longitudinal acoustic waves launched in the liquid surrounding the QCM. If bounced against an obstacle, in our case the AFM cantilever holder. these longitudinal waves create standing wave patterns which cause frequency fluctuations of the resonator when it is moved, and thus decrease the QCM sensitivity.

引用

页码：3974 / 3977

页数：4

共 12 条

[1]

AULD BA, 1973, ACOUSTIC FIELDS WAVE, V1, P170

[2] Scanning tunneling microscope measurements of the amplitude of vibration of a quartz crystal oscillator [J].