Open Access

Letzte Einträge:
2017-12-11
16:33
OpenAccess [FZJ-2017-08233] Journal Article
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A new method to compensate impedance artefacts for Li-ion batterieswith integrated micro-reference electrodes
ddc:540
In order to measure the electrochemical characteristics of both electrodes inside Li-ion batteries, micro-reference electrodes (μREF) turned out to be very useful. However, measuring the electrochemical impedance with respect to μREF can lead to severe measurement artefacts, making a detailed analysis of the impedance spectra complicated. [...]
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2017-12-08
08:41
OpenAccess [FZJ-2017-08143] Journal Article
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Tensile deformation behavior of tungsten fibre-reinforced tungsten composite specimens in as-fabricated state
ddc:620
To overcome the inherent brittleness of tungsten, which is a promising candidate for a plasma-facing material in a future fusion device, tungsten fibre-reinforced tungsten composites (Wf/W) have been developed. As a part of the materials characterisation program on Wf/W, we present the results of first tensile tests of as-fabricated Wf/W in this contribution. [...]
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2017-12-07
14:25
OpenAccess [FZJ-2017-08138] Conference Presentation (After Call)
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Calibration and large-scale inversion of fixed-boom multi-configuration electromagnetic induction data for soil characterization
EGU General Assembly 2017, EGU, Meeting locationVienna, Austria, 18 Apr 2017 - 23 Dec 20172017-04-182017-12-23
Fixed-boom multi-configuration electromagnetic induction (EMI) devices can be used as non-invasive large-scale shallow subsurface imaging tools. Commercially available devices convert the measured magnetic fields into an apparent electrical conductivity (ECa), which can be shifted due to the presence of the operator and the system setup, e.g., GPS, cables, etc. [...]
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2017-12-07
11:58
OpenAccess [FZJ-2017-08136] Contribution to a conference proceedings

Charge Symmetry Breaking In The dd→απ0 Reaction With WASA-at-COSY
26th International Nuclear Physics Conference, INPC2016, Meeting locationAdelaide, Australia, 11 Sep 2016 - 16 Sep 20162016-09-112016-09-16 PoS(INPC2016)310 (2017)
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2017-12-07
11:09
OpenAccess [FZJ-2017-08134] Poster (Other)
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Evaluation of Non-negative matrix Factorization of grey matter in age prediction
Annual Meeting of the Organization for Human Brain Mapping (OHBM), Meeting locationVancouver, Canada, 25 Jun 2017 - 29 Jun 20172017-06-252017-06-29
It has been shown that machine-learning methods applied to voxel-based morphometry (VBM) data allows the prediction of brain age [1]. Dimensionality reduction is a critical aspect of such brain-based prediction of phenotypical characteristics to counter the curse of dimensionality associated with voxel-wise analysis. [...]
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2017-12-06
15:45
OpenAccess [FZJ-2017-08122] Journal Article
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Magnetic structure of the magnetoelectric material Ca$_{2}$CoSi$_{2}$O$_{7}$
ddc:530
Detailed investigation of Ca$_{2}$CoSi$_{2}$O$_{7}$ was performed in its low-temperature magnetoelectric state combining neutron diffraction with magnetization measurements on single crystals. The crystal and magnetic structures well below the antiferromagnetic transition temperature of TN≈5.7 K were determined using neutron diffraction. [...]
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2017-12-06
14:36
OpenAccess [FZJ-2017-08114] Journal Article
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Superconducting Quantum Interferometers for Nondestructive Evaluation
Sensors 17(12), 2798 (2017) [10.3390/s17122798]
ddc:620
We review stationary and mobile systems that are used for the nondestructive evaluation of room temperature objects and are based on superconducting quantum interference devices (SQUIDs). The systems are optimized for samples whose dimensions are between 10 micrometers and several meters [...]
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2017-12-06
09:37
OpenAccess [FZJ-2017-08072] Lecture (Other)
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Erstellung wissenschaftlicher Texte mit LaTeX
Lecture at Kurs im Rahmen des Trainingsprogramms 2017 des Forschungszentrums Jülich (Jülich, Germany), 11 Sep 2017 - 14 Sep 20172017-09-112017-09-14
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2017-12-05
16:53
OpenAccess [FZJ-2017-08056] Journal Article
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Structures and phase transitions in neat 4,4′-di- tert -butyl-2,2′-bipyridyl and in its molecular complexes with either bromanilic or iodanilic acid
CrystEngComm 19(45), 6883 - 6895 (2017) [10.1039/C7CE01481C]  GO
ddc:540
Using the DSC method, structural phase transitions have been found at 165 and 219 K for 4,4′-di-tert-butyl-2,2′-bipyridyl (dtBBP), whereas for its complex with iodanilic acid (dtBBP·IA), its phase transition is at 331 K. For the other molecular complex described (with bromanilic acid, dtBBP·BRA), no phase transitions have been observed between the liquid nitrogen temperature and the temperature of crystal decomposition. [...]
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2017-12-05
15:35
OpenAccess [FZJ-2017-08052] Journal Article
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Cluster formation in stochastic disk systems
International Confernece of Numerical Analysis and Applied Mathematics, ICNAAM 2016, Meeting locationRhodes, Greece, 19 Sep 2016 - 25 Sep 20162016-09-192016-09-25 AIP conference proceedings 1863, 560089 (2017) [10.1063/1.4992772]
ddc:530
The problem of randomly distributed disks is considered in the dilute regime in a two-dimensional domain. Disks are allowed to overlap and to form clusters which may be isolated or percolating. [...]
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