Scanning probe microscope with interchangeable AFM-FFM and STM heads

Year: 1993

Authors: Allegrini M., Arpa E., Ascoli C., Baschieri P., Dinelli F., Frediani C., Labardi M., Lio A., Mariani T., Vanni L.

Autors Affiliation: Dipartimento di Fisica dell\’Universitą, Piazza Torricelli 2, Pisa, 56100, Italy; Consorzio Pisa Ricerche, Via Risorgimento 9, Pisa, 56100, Italy; Istituto di Biofisica del CNR, Via San Lorenzo 26, Pisa, 56100, Italy

Abstract: A scanning probe microscope operating in air with interchangeable atomic force-friction force (AFM-FFM) and electronic-tunnelling (STM) heads is presented. Our AFM operates in the so-called contact mode and utilizes the optical-lever detection method which allows simultaneous measurement of the topography as well as the lateral force. The set-up also contains an optical microscope to control both the sample and the probe laser spot on the cantilever. The experimental method to change from AFM to STM operation is based on the use of the probe laser beam and the optical microscope. The maximum scanning area is (24×24)µm2 and it is well embraced in the optical-microscope visual field. The microscope attains atomic resolution in air in both AFM and STM configuration. Its performance is demonstrated on the surface of different samples.

Journal/Review: NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA D-CONDENSED MATTER ATOMIC MOLECULAR AND CHEMICAL PHYSICS FLUIDS PLASMAS BIOPHYSICS

Volume: 15 (2-3)      Pages from: 279  to: 292

More Information: Conference: SYMP ON TRENDS IN SOLID-STATE PHYSICS, IN HONOUR OF FAUSTO FUMI
Location: SCUDA NORMALE SUPER, PISA, ITALY – Date: SEP 25-26, 1992
KeyWords: Electron microscopy determinations (including scanning tunneling electron microscopy methods); ATOMIC-FORCE MICROSCOPE; TUNNELING MICROSCOPY; OPTICAL MICROSCOPY;
DOI: 10.1007/BF02456911

Citations: 16
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