A stand-alone scanning force and friction microscope

Hipp, M.; Bielefeldt, H.; Colchero, J.; Marti, Othmar; Mlynek, J.

doi:10.1016/0304-3991(92)90472-v

Cited by 42 publications

(9 citation statements)

References 5 publications

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“…It was also found to be beneficial to leave the SFM electronics switched on continuously, although it should be noted that, in order to avoid damage, the high voltages were only applied to the piezoelectric actuators during the warm-up period and whilst imaging. The Explorer TM SFM is a scanned cantilever instrument of the ''stand-alone'' type [23] and is lifted off the sample stage in order to change samples and/or step height artefacts. This physical disturbance can introduce instabilities in the subsequent performance of the instrument.…”

Section: Calibration Of the Z Actuatormentioning

confidence: 99%

A method for measuring the size distribution of latex particles by scanning force microscopy

2004

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Section: Calibration Of the Z Actuatormentioning

confidence: 99%

A method for measuring the size distribution of latex particles by scanning force microscopy

2004

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“…[1][2][3][4][5] There are results which seem to indicate that this structure is ''heterogeneous'' in space, often studied and debated in the glass transition regime. In this situation, atomic-force experiments [28][29][30][31][32][33][34][35] are of importance since they allow us to study the frozen structure at the surface of glassy layers. This structure should be similar to one of the many configurations liquids are running through.…”

Section: Introductionmentioning

confidence: 99%

“…Marti et al [28][29][30][31] developed a pulsed force scanning mode microscope that allows the scanning of the topography and local adhesion across the surface of glassy layers. A Fourierfiltered picture of a glassy layer of linear polymethylmethacrylate molecules ͑the surface roughness is below 1 nm!͒ is depicted in Fig.…”

Section: Introductionmentioning

confidence: 99%

Aggregate model of liquids

Kilian

Zink

Metzler

1997

The Journal of Chemical Physics

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Articles you may be interested inMelting of α-Al2O3 and vitrification of the undercooled alumina liquid: Ab initio vibrational calculations and their thermodynamic implications J. Chem. Phys. 138, 064507 (2013); 10.1063/1.4790612 Microscopic structure and thermodynamics of a core-softened model fluid: Insights from grand canonical Monte Carlo simulations and integral equations theoryAtomic-force pictures reveal a heterogeneous microstructure at the surface of glassy layers which should be similar to one of the many equivalent microstructures a liquid is running through. These microstructures are described with the aid of a kinetic model of reversible aggregation which goes back to formulations as used in the description of living polymerization or aggregation of polymers in solution. Aggregates are considered as dynamic subsystems wherein collective modes of motions are excited. Fluctuations of the aggregates, densely packed in a disordered pattern, leads to a broad size distribution which happens to be controlled by Boltzmann's factor. The disordered structure within the aggregates themselves is optimized, reduced aggregate energy and entropy should be equal. Symmetries are deduced which elucidate many universal properties of the dynamic microstructure of liquids. Thermodynamic properties like the specific heats of aggregation in liquids or the dependence of the glass transition of homologues of linear atactic polystyrene are consistently described.

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“…For studying this question under conditions close to reality, friction microscopy has been combined with a setup allowing for potentiostatic control of the sample. We reported earlier [4] on a feasibility study of the method using the scanning force and friction microscope of Hipp et al [5], applying a constant potential to the sample during the measurement.…”

Section: Introductionmentioning

confidence: 99%

Observation of controlled, electrochemically induced friction force modulations in the nano-Newton range

Binggeli¹,

Christoph²,

Hintermann³

1995

Tribol Lett

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The local chemical properties of the contacting asperities in a real tribosystem are of crucial importance for the resulting macroscopic tribo-behavior. Thus, the lateral forces acting on the tip of a standalone scanning force and friction microscope have been investigated as a function of controlled surface chemistry, realized by potentiostatic control of the sample. The results obtained show a clear dependence of nanoscale friction behavior upon changes in the electrochemical state of the system.

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A stand-alone scanning force and friction microscope

Cited by 42 publications

References 5 publications

A method for measuring the size distribution of latex particles by scanning force microscopy

A method for measuring the size distribution of latex particles by scanning force microscopy

Aggregate model of liquids

Observation of controlled, electrochemically induced friction force modulations in the nano-Newton range

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