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Unaxiale Kompression von Kase bei konstanter Verformungsgeschwindigkeit / Uniaxiale Compression of Cheese at Constant Strain Rate
Titelei
Dienstleistungen auf dem Gebiet physikalisch/chemischer Materialprufungen / Physical and Chemical Material Testing Services
Relaxationszeitspektren in der Rheologie: Berechnung und Beispiele / Relaxation Time Spectra in Rheology: Calculation and Examples
Neuheiten / Products
Ticker / Ticker
Alles für die Rheologie / All for Rheology
lmpressum / Masthead
Geometrical optics design and aberration analysis of a focusing grating coupler
The geometrical optics design of a focusing grating coupler (FGC) is discussed for the situation in which the shape of the guided and free-space pencil and the diffraction geometry are general. A function that describes the so-called optical path-length defect in a general point of the FGC yields the spatial frequency…
Nucleation of trapezoidal kink pairs on a Peierls potential
The activation energy ΔH∗ for forming a kink pair of trapezoidal shape in a dislocation in a Peierls potential is calculated by considering the long-range elastic interaction between the dislocation segments. The shapes and energies obtained in this three-parameter model closely resemble those obtained from the contin…
Electronic-structure-based pair potentials for aluminum-rich cobalt compounds
A method for calculating ``constant volume'' pair potentials in Al-rich transition-metal compounds is presented. The method is based on a combination of a Green's-function analysis of the interaction between transition-metal d shells, and a perturbative treatment of the Al and transition-metal pseudopotentials. In add…
Ag Foil by XPS
XPS data have been obtained from a polycrystalline Ag foil supplied by AESAR. Initial data indicates a highly contaminated surface region. The foil was heated to 250° C and then sputtered with a 2 keV beam of Ar+ for 35 min. Ion scattering spectroscopy, angle-resolved Auger electron spectroscopy, and x-ray photoelectr…
Nanoscale Dimensional Changes and Optical Properties of Polyaniline Measured by In Situ Spectroscopic Ellipsometry
The thickness and optical properties of polyaniline films deposited on gold substrates by electropolymerization were determined using in situ spectroscopic ellipsometry. The polymer films were deposited by potential cycling in 0.1 M aniline/ 1 M H 2 SO 4 . For the simultaneous determination of optical properties and t…
Surface Property of Polymer Films with Fluoroalkyl Side Chains
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSurface Property of Polymer Films with Fluoroalkyl Side ChainsY. Katano, H. Tomono, and T. NakajimaCite this: Macromolecules 1994, 27, 8, 2342–2344Publication Date (Print):April 1, 1994Publication History Published online1 May 2002Published inissue 1 April 1994https://pubs.a…
The Electrochemical Oxidation of Silicon and Formation of Porous Silicon in Acetonitrile
The photoelectrochemical oxidation and dissolution of silicon has been investigated in the absence of water and oxygen. The etch rate and photocurrent for n‐Si in an anhydrous, HF ‐ acetonitrile solution were directly proportional to light intensity. Four electrons were transferred per silicon oxidized, with a quantum…