title: Components for high speed atomic force microscopy.
abstract: Many applications in materials science, life science and process control would benefit from atomic force microscopes (AFM) with higher scan speeds. To achieve this, the performance of many of the AFM components has to be increased. In this work, we focus on the cantilever sensor, the scanning unit and the data acquisition. We manufactured 10 microm wide cantilevers which combine high resonance frequencies with low spring constants (160-360 kHz with spring constants of 1-5 pN/nm). For the scanning unit, we developed a new scanner principle, based on stack piezos, which allows the construction of a scanner with 15 microm scan range while retaining high resonance frequencies (>10 kHz). To drive the AFM at high scan speeds and record the height and error signal, we implemented a fast Data Acquisition (DAQ) system based on a commercial DAQ card and a LabView user interface capable of recording 30 frames per second at 150 x 150 pixels.
authors.affiliation: Department of Physics, University of California Santa Barbara, 93106, USA. fantner@physics.ucsb.edu
authors.forename: Georg E
authors.initials: GE
authors.lastname: Fantner
authors.forename: Georg
authors.initials: G
authors.lastname: Schitter
authors.forename: Johannes H
authors.initials: JH
authors.lastname: Kindt
authors.forename: Tzvetan
authors.initials: T
authors.lastname: Ivanov
authors.forename: Katarina
authors.initials: K
authors.lastname: Ivanova
authors.forename: Rohan
authors.initials: R
authors.lastname: Patel
authors.forename: Niels
authors.initials: N
authors.lastname: Holten-Andersen
authors.forename: Jonathan
authors.initials: J
authors.lastname: Adams
authors.forename: Philipp J
authors.initials: PJ
authors.lastname: Thurner
authors.forename: Ivo W
authors.initials: IW
authors.lastname: Rangelow
authors.forename: Paul K
authors.initials: PK
authors.lastname: Hansma
mesh_terms: D000818:Animals; D049872:Bivalvia / Q000648:ultrastructure; D004247:DNA / Q000648:ultrastructure; D018625:Microscopy, Atomic Force / Q000295:instrumentation*; D010957:Plasmids / Q000648:ultrastructure
chemical_list: D004247:DNA