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(tr-ARPES) with extreme-ultraviolet (XUV) pulses, we measure the response of the Dirac electrons near the K point. We observe that lattice modulation causes anomalous carrier dynamics, with the Dirac
be understood as a periodic phase transition between two 2D phases of VO x . With a newly developed near ambient pressure – low-energy electron microscope, it was shown that VO x islands disintegrate at
Bereich: Sites
for the first time, a direct measurement of the amount of water mass that is redistributed at or near the surface of the Earth through the hydrological cycle and by oceanic and atmospheric circulation
Bereich: Kolloquien, Symposien, Reihen
photoelectron spectroscopy (XPS), spot profile analysis low-energy electron diffraction (SPA-LEED), near edge x-ray absorption fine structure (NEXAFS), and scanning tunneling microscopy (STM). The stoichiometric
to our understanding of asteroids The Japan Aerospace Exploration Agency (JAXA) launched its first near-Earth asteroid (NEA) sample return mission in May 2003: Hayabusa. The target of the mission was NEA
of phases that can form, including metastable ones. The high chemical composition sensitivity and near-atomic spatial resolution in three-dimensions of atom probe tomography make it a powerful technique
of each damage mechanism is gathered. This dataset is then used to train a model based on the k-nearest neighbors algorithm. Model accuracy is calculated to be 88%. Subsequently, AE signals measured during
The recently introduced DFTB+ANN approach strives to lift these limitations by combining DFTB with a near-sighted artificial neural network (ANN). After investigating various approaches, we have found the
Bereich: FB1
to test cases of capillary rise, particle–particle bridges and a Sessile microdroplet system with near-exact results (subject to floating-point errors). @ 2022 The Author(s) licensed under CC BY 4.0