Zusammenfassungen

Letzte Einträge:
2018-07-11
09:36
[FZJ-2018-04114] Abstract
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Collaborative HPC-enabled workflows on the HBP Collaboratory using the Elephant framework
INM-ICS Retreat 2018, JuelichJuelich, Germany, 2 Jul 2018 - 3 Jul 20182018-07-022018-07-03
The degree of complexity in analyzing massively parallel, heterogeneous data from electrophysiological experiments and network simulations has reached levels where novel tools forming workflows for managing data, metadata acquisition, pre-processing, and analysis in a reproducible fashion are in high demand. Moreover, this complexity calls for new conceptual approaches in organizing scientific work. [...]

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2018-06-28
10:38
OpenAccess [FZJ-2018-03830] Abstract
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Study of GeSn/(Si)Ge(Sn) Quantum Structures for Light Emitters
SPIE Europe, BrüsselBrüssel, Belgien, 3 Apr 2016 - 7 Apr 20162016-04-032016-04-07
The ongoing growth of consumer electronics market, as well as the demand for even more complex data and telecommunication systems require energy-efficient integrated circuits and data links [1]. One possibility to tackle this challenge is to replace electrons with photons for low-power on-chip and/or chip-to-chip data transfer [2]. [...]
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2018-06-28
10:28
OpenAccess [FZJ-2018-03825] Abstract
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Epitaxy and design of GeSn/SiGeSn heterstructure LEDs
9th International SiGe Technology and Device Meeting (ISTDM) 11th International Conference on Silicon Epitaxy and Heterostructures (ICSI), PotsdamPotsdam, Germany, 27 May 2018 - 31 May 20182018-05-272018-05-31
Since the first report on lasing from GeSn/Ge/Si [1], optically-pumped lasing has been demonstrated from GeSn heterostructures with maximum Sn contents of 17.5 at. % and operating temperatures up to 180 K, thus paving the way for the use of GeSn in monolithically grown group IV optoelectronic devices [2,3,4].In line with the development of III-V lasers since the sixties, the next logical step is to use hetero- and nanostructures to enhance radiative processes occurring in the active regions [5]. [...]
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2018-06-28
10:23
OpenAccess [FZJ-2018-03822] Abstract
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Confinement of charge carriers in GeSn/SiGeSn heterostructures
The 10th International Conference on Silicon Epitaxy and heterostructures, WarwickWarwick, United Kingdom, 14 May 2017 - 19 May 20172017-05-142017-05-19
In this work, we discuss carrier confinement in double heterostructures and multiple quantum well GeSn/(Si)Ge(Sn) heterostructures, aiming for efficient light emitting devices. Several heterostructures are ep-itaxially grown and characterized in detail concerning their structural and optical properties. [...]
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2018-06-28
10:19
OpenAccess [FZJ-2018-03820] Abstract
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Thermal stability and Sn diffusion in GeSn heterostructures
The 10th International Conference on Silicon Epitaxy and heterostructures, WarwickWarwick, United Kingdom, 14 May 2017 - 19 May 20172017-05-142017-05-19
In this work, we address the thermal stability of GeSn alloys regarding strain relaxation and Sn diffusion. The two competing processes, i.e. [...]
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2018-06-28
10:14
OpenAccess [FZJ-2018-03816] Abstract
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Epitaxial Growth of GeSn/(Si)Ge(Sn) heterostructures for optoelectronic applications
European Materials Research Society, WarsawWarsaw, Poland, 15 Sep 2015 - 18 Sep 20152015-09-152015-09-18
The observation of lasing action in GeSn opens a new path for monolithic integration of electronics and photonics based on Si. In this context, the incorporation of Si into GeSn and epitaxial growth of GeSn/(Si)Ge(Sn) heterostructures are essential for electrically pumped optoelectronic devices. [...]
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2018-06-20
10:30
[FZJ-2018-03612] Abstract
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Optimization of Urban Energy Supply Systems Considering Various Sector Coupling Options for Different Penetration Rates of Battery Electric Vehicles
4th International Conference on Smart Energy Systems and 4th Generation District Heating, AalborgAalborg, Denmark, 13 Nov 2018 - 14 Nov 20182018-11-132018-11-14
Optimization of Urban Energy Supply Systems Considering Various Sector-Coupling Options for Different Penetration Rates of Battery Electric Vehicles Timo Kannengiesser*1, Peter Stenzel1, Peter Markewitz1, Stefan Nykamp3, Klaus Peters3, Fabian Schütz3, Martin Robinius1, Detlef Stolten1,² 1Institute of Electrochemical Process Engineering (IEK-3), Forschungszentrum Juelich GmbH, Wilhelm-Johnen-Str., 52428 Juelich, Germany, +49 2461 61-8732, t.kannengiesser@fz-juelich.de2 Chair of Fuel Cells, RWTH Aachen University, c/o Institute of Electrochemical Process Engineering (IEK-3), Forschungszentrum Juelich GmbH, Wilhelm-Johnen-Str., 52428 Juelich, Germany3 Westnetz GmbH, Florianstraße 15-21, 44139 Essen, GermanyKeywords: MILP, Design Optimization, Operation Optimization, Urban District Optimization, District Heating, District Cooling, Transport Demand ModelUrban districts have a high potential to reduce greenhouse gas (GHG) emissions by increasing the energy efficiency by implementation of microgrids, which include various sector-coupling options. To find a cost optimal urban energy supply system this paper analyses different scenarios and the resulting effects on energy demand, structure of power generation and transmission system as well as energy system costs. [...]

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2018-06-20
10:30
[FZJ-2018-03611] Abstract
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Compact feature representations for human brain cytoarchitecture using self-supervised learning
International Conference on Medical Imaging with Deep Learning (MIDL), AmsterdamAmsterdam, Netherlands, 4 Jul 2018 - 6 Jul 20182018-07-042018-07-06
siehe Anhang
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2018-06-11
11:14
[FZJ-2018-03417] Abstract
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Inhibitory assemblies play an important role in cortical attractor networks
7th International caesar Conference, BonnBonn, Germany, 5 Jun 2018 - 6 Jun 20182018-06-052018-06-06
Balanced networks of inhibitory and excitatory neurons with homogeneously random recurrent connectivity are often employed to model local cortical circuits. The balanced random network model exhibits irregular and asynchronous spiking activity similar to that observed in vivo. [...]

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2018-06-04
15:54
[FZJ-2018-03309] Abstract
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Optimization of Urban Energy Supply Systems Considering an Increasing Integration of Battery Electric Vehicles
International Conference on Operations Research, BrusselsBrussels, Belgium, 12 Sep 2018 - 14 Sep 20182018-09-122018-09-14
Abstract: Optimization of Urban Energy Supply Systems Considering an Increasing Integration of Battery Electric VehiclesIn Europe, the buildings sector accounts for 40% and cities for 69% of final energy consumption. The share of CO2 emissions in cities and urban districts are correspondingly high. [...]

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