Open Access

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2020-08-06
14:40
OpenAccess [FZJ-2020-02781] Journal Article
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The FLUXNET2015 dataset and the ONEFlux processing pipeline for eddy covariance data
The FLUXNET2015 dataset and the ONEFlux processing pipeline for eddy covariance dataGilberto Pastorello, Carlo Trotta, […]Dario Papale Scientific Data volume 7, Article number: 225 (2020) Cite this article2445 Accesses47 AltmetricMetrics detailsAbstractThe FLUXNET2015 dataset provides ecosystem-scale data on CO2, water, and energy exchange between the biosphere and the atmosphere, and other meteorological and biological measurements, from 212 sites around the globe (over 1500 site-years, up to and including year 2014). These sites, independently managed and operated, voluntarily contributed their data to create global datasets. [...]
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ddc:500

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2020-08-06
14:33
OpenAccess [FZJ-2020-02780] Journal Article

Modelling Actual Evapotranspiration Seasonal Variability by Meteorological Data-Based Models
Hydrology 7(3), 50 - () [10.3390/hydrology7030050]
This study aims at illustrating a methodology for predicting monthly scale actual evapotranspiration losses only based on meteorological data, which mimics the evapotranspiration intra-annual dynamic. For this purpose, micrometeorological data at the Rollesbroich and Bondone mountain sites, which are energy-limited systems, and the Sister site, a water-limited system, have been analyzed. [...]
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ddc:550

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2020-08-06
10:34
OpenAccess [FZJ-2020-02778] Journal Article
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Understanding the Formation Mechanism of Magnetic Mesocrystals with (Cryo-)Electron Microscopy
Magnetite (Fe3O4) nanoaggregates with a flower-like morphology are considered promising materials in the field of magnetically induced hyperthermia in cancer therapy due to their good heating efficiency at low applied alternating magnetic fields. Although the structure and the magnetic state of such flower-like aggregates have been investigated previously, the mechanism that leads to the hierarchical morphology is still poorly understood. [...]
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ddc:540

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2020-08-06
09:16
OpenAccess [FZJ-2020-02775] Journal Article
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Boosting Photoelectrochemical Water Oxidation of Hematite in Acidic Electrolytes by Surface State Modification5
State‐of‐the‐art water‐oxidation catalysts (WOCs) in acidic electrolytes usually contain expensive noble metals such as ruthenium and iridium. However, they too expensive to be implemented broadly in semiconductor photoanodes for photoelectrochemical (PEC) water splitting devices. [...]
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2020-08-06
09:08
OpenAccess [FZJ-2020-02774] Journal Article
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The impact of crystal size and temperature on the adsorption-induced flexibility of the Zr-based metal–organic framework DUT-98
In this contribution we analyze the influence of adsorption cycling, crystal size, and temperature on the switching behavior of the flexible Zr-based metal–organic framework DUT-98. We observe a shift in the gate-opening pressure upon cycling of adsorption experiments for micrometer-sized crystals and assign this to a fragmentation of the crystals. [...]
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2020-08-05
10:58
OpenAccess [FZJ-2020-02755] Journal Article
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The Young-Feynman controlled double-slit electron interference experiment
The key features of quantum mechanics are vividly illustrated by the Young-Feynman two-slit thought experiment, whose second part discusses the recording of an electron distribution with one of the two slits partially or totally closed by an aperture. Here, we realize the original Feynman proposal in a modern electron microscope equipped with a high brightness gun and two biprisms, with one of the biprisms used as a mask. [...]
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ddc:600

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2020-08-05
09:14
Embargoed OpenAccess [FZJ-2020-02742] Journal Article
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High‐ T C Interfacial Ferromagnetism in SrMnO 3 /LaMnO 3 Superlattices
Heterostructures of strongly correlated oxides demonstrate various intriguing and potentially useful interfacial phenomena. LaMnO3/SrMnO3 superlattices are presented showcasing a new high‐temperature ferromagnetic phase with Curie temperature, T C ≈360 K, caused by electron transfer from the surface of the LaMnO3 donor layer into the neighboring SrMnO3 acceptor layer. [...]
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ddc:530

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2020-08-05
09:08
Embargoed OpenAccess [FZJ-2020-02741] Journal Article
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Spectroscopic coincidence experiments in transmission electron microscopy
Applied physics letters 114(14), 143101 () [10.1063/1.5092945]
We demonstrate the feasibility of coincidence measurements on a conventional transmission electron microscope, revealing the temporal correlation between electron energy loss spectroscopy (EELS) and energy dispersive X-ray (EDX) spectroscopy events. We make use of a delay line detector with ps-range time resolution attached to a modified EELS spectrometer. [...]
Published on 2019-04-08. Available in OpenAccess from 2020-04-08.: Download fulltextPDF Download fulltextPDF (PDFA);
ddc:530

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2020-08-04
15:27
OpenAccess [FZJ-2020-02738] Journal Article
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Performance of a PDE-Based Hydrologic Model in a Flash Flood Modeling Framework in Sparsely-Gauged Catchments
Water 12(8), 2157 - () [10.3390/w12082157] special issue: "Advances in Flash Flood Forecasting"
Modeling and nowcasting of flash floods remains challenging, mainly due to uncertainty of high-resolution spatial and temporal precipitation estimates, missing discharge observations of affected catchments and limitations of commonly used hydrologic models. In this study, we present a framework for flash flood hind- and nowcasting using the partial differential equation (PDE)-based ParFlow hydrologic model forced with quantitative radar precipitation estimates and nowcasts for a small 18.5 km2 headwater catchment in Germany. [...]
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2020-08-04
14:50
OpenAccess [FZJ-2020-02734] Journal Article
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Solute Incorporation at Oxide–Oxide Interfaces Explains How Ternary Mixed‐Metal Oxide Nanocrystals Support Element‐Specific Anisotropic Growth
Fundamental understanding of anisotropic growth in oxide nanocrystals is crucial to establish new synthesis strategies and to tailor the nanoscale electronic, magnetic, optical, and electrocatalytic properties of these particles. While several growth investigations of metal alloy nanoparticles have been reported, mechanistic studies on the growth of ternary oxide materials are still missing. [...]
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