Journal Article

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2018-10-16
14:22
[FZJ-2018-05884] Journal Article

Reconstruction of the projected electrostatic potential in high-resolution transmission electron microscopy including phenomenological absorption
The projected electrostatic potential is reconstructed from a high-resolution exit wave function through a maximum-likelihood refinement algorithm. The theory of an already existing algorithm [1] is extended to include the effects of phenomenological absorption. [...]
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ddc:570
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2018-10-16
14:19
[FZJ-2018-05883] Journal Article
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Effective object planes for aberration-corrected transmission electron microscopy
In aberration-corrected transmission electron microscopy, the image contrast depends sensitively on the focus value. With the point resolution extended to an information limit of below 0.1 nm, even a focus change of as small as one nanometer could give a significant change in image contrast. [...]
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2018-10-16
14:15
[FZJ-2018-05882] Journal Article

The refractive index in electron microscopy and the errors of its approximations
In numerical calculations for electron diffraction often a simplified form of the electron-optical refractive index, linear in the electric potential, is used. In recent years improved calculation schemes have been proposed, aiming at higher accuracy by including higher-order terms of the electric potential. [...]
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2018-10-16
14:11
OpenAccess [FZJ-2018-05881] Journal Article
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Understanding electron magnetic circular dichroism in a transition potential approach
This paper introduces an approach based on transition potentials for inelastic scattering to understand the underlying physics of electron magnetic circular dichroism (EMCD). The transition potentials are sufficiently localized to permit atomic-scale EMCD. [...]
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ddc:530
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2018-10-16
09:49
[FZJ-2018-05859] Journal Article
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Frequency and Hold Time Influence on Crack Growth Behavior of a 9–12% Cr Ferritic Martensitic Steel at Temperatures From 300 °C to 600 °C in air
Due to an increase of renewable energies proportion, e.g. wind power and photovoltaics, which cannot supply energy constantly, modern power plants must be able to be operated flexibly in order to compensate the residual load. [...]
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ddc:600
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2018-10-16
09:47
[FZJ-2018-05858] Journal Article
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Influence of Steam Atmosphere on theCcrack Propagation Behavior of a 9–12% Cr Ferritic/Martensitic Steel at Temperatures from 300 °C to 600 °C Depending on Frequency and Hold Time
This paper deals with the influence of steam atmosphere on the crack propagation behavior in the ferritic/martensitic steel X20CrMoV12-1 depending on frequency (or hold time) and temperature with a focus on the temperature range from 300 °C to 600 °C, which is most important for flexibly operated power plants. Modern conventional power plants must be able to compensate fluctuations in residual load, caused by renewable energy sources. [...]
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ddc:600
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2018-10-15
11:04
OpenAccess [FZJ-2018-05839] Journal Article
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Vegetation Optical Depth and Soil Moisture Retrieved from L-Band Radiometry over the Growth Cycle of a Winter Wheat
Remote sensing 10(10), 1637 - () [10.3390/rs10101637]
L-band radiometer measurements were performed at the Selhausen remote sensing field laboratory (Germany) over the entire growing season of a winter wheat stand. L-band microwave observations were collected over two different footprints within a homogenous winter wheat stand in order to disentangle the emissions originating from the soil and from the vegetation [...]
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ddc:620
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2018-10-15
10:14
[FZJ-2018-05834] Journal Article
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Microstructural Evolution of an Aluminide Coating on Alloy 625 During Wet air exposure at 900 °C and 1000 °C
The microstructural changes of the aluminized alloy 625 during cyclic oxidation in air + 6% H2O at 900 °C and 1000 °C were analyzed using optical metallography (OM), scanning electron microscopy (SEM) with energy and wave length dispersive X-ray analysis (EDX/WDX) as well as electron backscatter diffraction (EBSD). An in-house developed thermodynamic-kinetic procedure was employed to predict the microstructural evolution of aluminized alloy 625 during high temperature exposure by considering simultaneously occurring surface oxidation and interdiffusion processes. [...]
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ddc:670
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2018-10-15
09:58
OpenAccess [FZJ-2018-05833] Journal Article
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Heard on the Net: The New Deal May be No Deal
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ddc:070
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2018-10-15
09:56
[FZJ-2018-05832] Journal Article
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Transition of responsive mechanosensitive elements from focal adhesions to adherens junctions on epithelial differentiation
The skin’s epidermis is a multilayered epithelial tissue and the first line of defense against mechanical stress. Its barrier function depends on an integrated assembly and reorganization of cell–matrix and cell–cell junctions in the basal layer and on different intercellular junctions in suprabasal layers. [...]
ddc:570
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