Journal Article

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2021-12-01
12:39
OpenAccess [FZJ-2021-04788] Journal Article
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NEST Desktop - An educational application for neuroscience
eNeuro 8(6), ENEURO.0274-21.2021 - () [10.1523/ENEURO.0274-21.2021]
Simulation software for spiking neuronal network models matured in the past decades regarding performance and flexibility. But the entry barrier remains high for students and early career scientists in computational neuroscience since these simulators typically require programming skills and a complex installation. [...]
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2021-12-01
11:46
OpenAccess [FZJ-2021-04775] Journal Article
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Readout of an antiferromagnetic spintronics system by strong exchange coupling of Mn2Au and Permalloy
In antiferromagnetic spintronics, the read-out of the staggered magnetization or Néel vector is the key obstacle to harnessing the ultra-fast dynamics and stability of antiferromagnets for novel devices. Here, we demonstrate strong exchange coupling of Mn2Au, a unique metallic antiferromagnet that exhibits Néel spin-orbit torques, with thin ferromagnetic Permalloy layers. [...]
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2021-12-01
11:33
OpenAccess [FZJ-2021-04774] Journal Article
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Reviews and syntheses: Gaining insights into evapotranspiration partitioning with novel isotopic monitoring methods
Biogeosciences 18(12), 3701 - 3732 () [10.5194/bg-18-3701-2021]
Disentangling ecosystem evapotranspiration (ET) into evaporation (E) and transpiration (T) is of high relevance for a wide range of applications, from land surface modelling to policymaking. Identifying and analysing the determinants of the ratio of T to ET (T/ET) for various land covers and uses, especially in view of climate change with an increased frequency of extreme events (e.g. [...]
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2021-12-01
11:16
[FZJ-2021-04771] Journal Article
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Meet the Editors ‐ Roland Bol
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2021-12-01
11:11

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2021-12-01
11:10
OpenAccess [FZJ-2021-04767] Journal Article
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Leveraging HPC accelerator architectures with modern techniques — hydrologic modeling on GPUs with ParFlow
Rapidly changing heterogeneous supercomputer architectures pose a great challenge to many scientific communities trying to leverage the latest technology in high-performance computing. Many existing projects with a long development history have resulted in a large amount of code that is not directly compatible with the latest accelerator architectures. [...]
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2021-12-01
10:58
OpenAccess [FZJ-2021-04764] Journal Article
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Orbital Complexity in Intrinsic Magnetic Topological Insulators MnBi 4 Te 7 and MnBi 6 Te 10
Using angle-resolved photoelectron spectroscopy (ARPES), we investigate the surface electronic structure of the magnetic van der Waals compounds MnBi4Te7 and MnBi6Te10, the n=1 and 2 members of a modular (Bi2Te3)n(MnBi2Te4) series, which have attracted recent interest as intrinsic magnetic topological insulators. Combining circular dichroic, spin-resolved and photon-energy-dependent ARPES measurements with calculations based on density functional theory, we unveil complex momentum-dependent orbital and spin textures in the surface electronic structure and disentangle topological from trivial surface bands. [...]
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2021-12-01
10:50
OpenAccess [FZJ-2021-04763] Journal Article
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Reversible redox reactions in metal-supported porphyrin: the role of spin and oxidation state
On-surface molecular functionalization paved the way for the stabilization of chelated ions in different oxidation and spin states, allowing for the fine control of catalytic and magnetic properties of metalorganic networks. Considering two model systems, a reduced Co(I) and an open-shell Co(II) metal-supported 2D molecular array, we investigate the interplay between the low valence oxidation and unpaired spin state in the molecular reactivity. [...]
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2021-11-30
21:05
OpenAccess [FZJ-2021-04744] Journal Article/Contribution to a conference proceedings
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Multilevel simulation-based co-design of next generation HPC microprocessors
The 12th International Workshop on Performance Modeling, Benchmarking and Simulation of High-Performance Computer Systems, PMBS21, St. LouisSt. Louis, USA, 15 Nov 2021 - 15 Nov 20212021-11-152021-11-15 12 p. ()
This paper demonstrates the combined use of three simulation tools in support of a co-design methodology for an HPC-focused System-on-a-Chip (SoC) design. The simulation tools make different trade-offs between simulation speed, accuracy and model abstraction level, and are shown to be complementary. [...]
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2021-11-30
15:58
OpenAccess [FZJ-2021-04740] Journal Article
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Magnetic properties of the intercalated compound Lu 2 Fe 3 O 7
We have carried out a comprehensive investigation of the magnetic properties of the intercalated Lu2Fe3O7 by the means of dc magnetization, polarized neutron scattering, and x-ray magnetic circular dichroism (XMCD) measurements. The results obtained by these techniques support a spin order in each of the Fe-O bilayers that is the same as observed in the nonintercalated LuFe2O4 [...]
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