Adsorption of thin isobutane films on silicon investigated by X-ray reflectivity measurements

Shokuie, Kaveh; Paulus, Michael; Sternemann, Christian; Fendt, Robert; Tolan, Metin

doi:10.1016/j.tsf.2006.12.006

Cited by 3 publications

(1 citation statement)

References 18 publications

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“…A calculation of the effective Hamaker constant using a Lifshitzbased approach leads to a value of A th eff = À2.3 Â 10 À19 J. This deviation between the experimental and theoretical value is consistent with other measurements where a shift of the experimental Hamaker constant to lower values was found (Paulus et al, 2005(Paulus et al, , 2008Shokuie et al, 2007).…”

Section: Figuresupporting

confidence: 86%

An access to buried interfaces: the X-ray reflectivity set-up of BL9 at DELTA

Paulus¹,

Lietz²,

Sternemann³

et al. 2008

J Synchrotron Radiat

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An X-ray reflectivity set-up to study buried interfaces at beamline BL9 of the electron storage ring DELTA is presented. The structure of solid-gas and solid-liquid interfaces can be investigated using X-rays with incident energies of about 27 keV. A detailed description of the set-up is given and its performance is demonstrated by a discussion of selected applications, i.e. protein adsorption at the solid-liquid interface and gas adsorption at the solid-gas interface at elevated pressures.

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Section: Figuresupporting

confidence: 86%

An access to buried interfaces: the X-ray reflectivity set-up of BL9 at DELTA

Paulus¹,

Lietz²,

Sternemann³

et al. 2008

J Synchrotron Radiat

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Porous Silicon Particles for Imaging and Therapy of Cancer

Serda

Chiappini

Fine

et al. 2009

Nanotechnologies for the Life Sciences

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The sections in this article are Introduction Porous Silicon Microfabrication Characterization Gravimetry Spectroscopic Ellipsometry X ‐Ray Diffraction Nitrogen Adsorption Sample Preparation for Electron Microscopy: Sectioning Sample Preparation Nanovectors for the Delivery of Therapeutics Biocompatibility and Biodegradation Drug Loading and Quantification of Drug Load Nanovectors for the Delivery of Therapeutics Towards a Multi‐Stage Drug Delivery System Cellular Uptake of p Si Particles Tumor Microenvironment Effect of Microparticle Shape on Margination Effect of Microparticle Size on Cellular Uptake Effect of Surface Modification on p Si Particle Uptake Serum Opsonization Inhibits Uptake of Oxidized p Si Microparticles Cancer Imaging Conclusions

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Feedback-induced instability in tapping mode atomic force microscopy: theory and experiment

et al. 2010

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We investigate a mathematical model of tapping mode atomic force microscopy (AFM), which includes surface interaction via both van der Waals and meniscus forces. We also take particular care to include a realistic representation of the integral control inherent to the real microscope. Varying driving amplitude, amplitude setpoint and driving frequency independently shows that the model can capture the qualitative features observed in AFM experiments on a flat sample and a calibration grid. In particular, the model predicts the onset of an instability, even on a flat sample, in which a large-amplitude beatingtype motion is observed. Experimental results confirm this onset and also confirm the qualitative features of the dynamics suggested by the simulations. The simulations also suggest the mechanism behind the beating effect; that the control loop over-compensates for sufficiently high gains. The mathematical model is also used to offer recommendations on the effective use of AFMs in order to avoid unwanted artefacts.

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Adsorption of thin isobutane films on silicon investigated by X-ray reflectivity measurements

Cited by 3 publications

References 18 publications

An access to buried interfaces: the X-ray reflectivity set-up of BL9 at DELTA

An access to buried interfaces: the X-ray reflectivity set-up of BL9 at DELTA

Porous Silicon Particles for Imaging and Therapy of Cancer

Feedback-induced instability in tapping mode atomic force microscopy: theory and experiment

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