Publications database

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2018-02-18
12:24
OpenAccess [FZJ-2017-08171] Journal Article
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Invisible detergents for structure determination of membrane proteins by small-angle neutron scattering
The FEBS journal 285(2), 357–371 (2018) [10.1111/febs.14345]
ddc:540
A novel and generally applicable method for determining structures of membrane proteins in solution via small-angle neutron scattering (SANS) is presented. Common detergents for solubilizing membrane proteins were synthesized in isotope-substituted versions for utilizing the intrinsic neutron scattering length difference between hydrogen and deuterium. [...]

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2018-02-12
09:50
[IMPULSE-2018-00076] Journal Article
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Hybrid Photovoltaics - from Fundamentals towards Application
ddc:600
In hybrid photovoltaics, an organic and an inorganic semiconductor are combined in the active layer, with the advantages of both material classes in a single device. The organic component contributes towards the possibility for wet chemical device preparation with potentially low costs in combination with achieving flexible devices. [...]
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2018-02-12
09:47
[IMPULSE-2018-00075] Journal Article
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π-Conjugated Donor Polymers: Structure Formation and Morphology in Solution, Bulk and Photovoltaic Blends
ddc:600
The field of conjugated polymers has expanded in the last years considerably and impressive performance, both in field effect transistors and photovoltaic devices has been achieved. After the initial emphasis on improving the performance, more emphasis is recently given to fundamental studies on structure formation. [...]
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2018-02-08
09:57
[IMPULSE-2018-00074] Journal Article
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bcc -iron as a promising new monochromator material for thermal neutrons
ddc:530
The development of high-performance neutron monochromators is a long-standing and still actual topic in neutron instrumentation. Due to its high scattering cross section, iron is a particularly interesting material since it offers the possibility to obtain high reflectivities at small wavelength and good resolution. [...]
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2018-02-01
09:44
DBCoverage [IMPULSE-2018-00071] Proceedings
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Free Volume of PVA/SSA Proton Exchange Membrane Studied by Positron Annihilation Lifetime Spectroscopy
12th International Workshop on Positron and Positronium Chemistry, Meeting locationLublin, Poland, 28 Aug 2017 - 1 Sep 20172017-08-282017-09-01 Warsaw : Acad. Inst., (2017) [10.12693/APhysPolA.132.1519]
ddc:530
Humidity control and water management in polymer electrolyte membranes for fuel cells are still of highimportance to improve the fuel cells’ efficiencies. In this study, poly (vinyl alcohol) (PVA)was crosslinked using15 wt% sulfosuccinic acid (SSA) by a solution casting method and additionally thermally crosslinked at 100 C.Positron annihilation lifetime spectroscopy was used to study the mean free volume size and the distribution atdifferent humidity. [...]
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2018-01-31
17:33
[IMPULSE-2018-00070] Contribution to a book
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Crystallographic Symmetry Analysis in NiTi Shape Memory Alloys
Highlights in Applied Mineralogy Berlin : De Gruyter, 113-134 (2017)
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2018-01-31
15:21
[IMPULSE-2018-00069] Journal Article
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Comprehensive investigation of the lithium insertion mechanism of the $Na_2 Ti_6 O_{13}$ anode material for Li-ion batteries
ddc:540
Sodium hexatitanate $Na_2 Ti_6 O_{13}$ with a tunnel structure has been proposed to be an attractive anode material for lithium ion batteries because of its low insertion voltage, structural stability and good reversibility. In order to obtain a full understanding of the properties of this titanate, a combination of in situ synchrotron X-ray diffraction, neutron diffraction and 7Li MAS solid-state NMR spectroscopy is used in the present work. [...]
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2018-01-31
15:17
[IMPULSE-2018-00068] Journal Article
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The preparation of Zr-deuteride and phase stability studies of the Zr-D system
ddc:530
Deuteride phases in the zirconium-deuterium system in the temperature range 25-286°C have been studied in-situ by high resolution neutron diffraction. The study primarily focused on observations of δ→γ transformation at 180°C, and the peritectoid reaction α+δ↔γ at 255°C in commercial grade Zr powder that was deuterated to a deuterium/Zr ratio of one to one. [...]
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2018-01-31
08:57
[IMPULSE-2018-00067] Journal Article
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Drastic Swelling of Lipid Oligobilayers by Polyelectrolytes: A Potential Molecular Model for the Internal Structure of Lubricating Films in Mammalian Joints
Langmuir 34(4), 1287 - 1299 (2018) [10.1021/acs.langmuir.7b03229]
ddc:670
Osteoarthritis is the most common arthropathy in western civilization. It is primarily caused by the degeneration of lipid-coated cartilage, leading to increased friction in joints. [...]
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2018-01-30
18:45
[IMPULSE-2018-00065] Book/Dissertation / PhD Thesis

Herstellung von LATP für den Einsatz als Festkörperelektrolyt und dessen Eigenschaften
Karlsruhe : KIT Scientific Publishing, 123 p. (2017) [10.5445/KSP/1000072347] = Dissertation, Karlsruher Institut für Technologie (KIT), Institut für Angewandte Materialien (IAM), 2017
In dieser Arbeit wird das oxidische Material Li₁₊ₓAlₓTi₂₋ₓ(PO₄)₃ (LATP) im Detail auf seine Eignung als Festkörperelektrolyt untersucht. Ausgehend von der Rohmaterialherstellung von LATP mittels Sol-Gel-Methoden über die Pulveraufbereitung bis zur Sinterung vollkeramischer Proben wird der vollständige Herstellungsprozess von LATP abgebildet und analysiert..
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