2021-01-27 10:57 |
[FZJ-2021-00869]
Journal Article
Hottmann, B. ; Hafermann, S. ; Tomsche, L. ; et al
Impact of the South Asian monsoon outflow on atmospheric hydroperoxides in the upper troposphere
During the OMO (Oxidation Mechanism Observation) mission, trace gas measurements were performed on board the HALO (High Altitude Long Range) research aircraft in summer 2015 in order to investigate the outflow of the South Asian summer monsoon and its influence on the composition of the Asian monsoon anticyclone (AMA) in the upper troposphere over the eastern Mediterranean and the Arabian Peninsula. This study focuses on in situ observations of hydrogen peroxide (H2O2obs) and organic hydroperoxides (ROOHobs) as well as their precursors and loss processes. [...]
OpenAccess: PDF;
ddc:550
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2021-01-27 10:49 |
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2021-01-27 09:23 |
[FZJ-2021-00854]
Journal Article
Yin, J.-W. ; Wang, Y. ; Chen, Y.-H. ; et al
Growth and characterization of pyrochlore-type (Ca,Ti)2(Nb,Ti)2O7 thin films
Pyrochlore-type (Ca,Ti)2(Nb,Ti)2O7 thin films have been grown on single-crystalline LaAlO3 and yttria-stabilized zirconia substrates by a magnetron sputtering system. Atomic-scale interface structure and growth mode of the (Ca,Ti)2(Nb,Ti)2O7 films on the substrates with different crystal structures have been investigated by advanced electron microscopy techniques. [...]
Published on 2021-01-16. Available in OpenAccess from 2023-01-16.: PDF;
ddc:660
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2021-01-27 09:20 |
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2021-01-26 13:06 |
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2021-01-26 11:35 |
[FZJ-2021-00839]
Journal Article
Reshetenko, T. ; Kulikovsky, A.
Distribution of Relaxation Times: A Tool for Measuring Oxygen Transport Resistivity of a Low–Pt PEM Fuel Cell Cathode
Oxygen transport resistivity of the cathode catalyst layer in a low–Pt PEM fuel cell has been determined using two methods: the first one is fitting of our recent physics–based impedance model to the experimental impedance spectra of the cell, and the second is calculation of distribution of relaxation times (DRT) using the same spectra. Comparison of the two methods shows that the DRT peak with the characteristic frequency on the order of 500 to 1000 Hz describes oxygen transport in the open pore and in Nafion film covering Pt/C agglomerates in the catalyst layer. [...]
OpenAccess: PDF;
ddc:660
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2021-01-26 11:09 |
[FZJ-2021-00834]
Journal Article
Gierens, K. ; Matthes, S. ; Rohs, S.
How Well Can Persistent Contrails Be Predicted?
Persistent contrails and contrail cirrus are responsible for a large part of aviation induced radiative forcing. A considerable fraction of their warming effect could be eliminated by diverting only a quite small fraction of flight paths, namely those that produce the highest individual radiative forcing (iRF). [...]
OpenAccess: PDF;
ddc:530
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2021-01-26 10:20 |
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2021-01-26 10:19 |
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2021-01-26 10:19 |
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