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situ techniques we have studied the structural transitions in the excitation of traveling interface pulses (TIPs) in bistable methanol oxidation on a bare Rh(110) and on a Rh(110) surface covered with a 0 [...] coexists with O-induced reconstructions of the “missing row” type at the interface. An oxidation pulse traveling along the interface exhibits a substructure consisting of various reconstructions of the
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Using time-and angle-resolved photoemission spectroscopy (tr-ARPES) with extreme-ultraviolet (XUV) pulses, we measure the response of the Dirac electrons near the K point. We observe that lattice modulation
quantum dots in a cavity-quantum electrodynamics laser to show adirect connection between superradiant pulse emission and distinctive changes in the photoncorrelation function. This directly demonstrates the
diffusional dispersion of gas flows to the geometry of open-cell foams. Here, a spatially resolved Pulsed Field Gradient NMR method is applied to determine dispersion coefficients of thermally polarized
surface. Here, we present highly spatially resolved rate maps that reveal the existence of rhythmic pulses of the material flux from the crystal surface. This observation leads to a change in our understanding
pore structure and a high activity for total and partial oxidation reactions is considered. PFG NMR (pulsed field gradient nuclear magnetic resonance) measurements allowed here for a quantitative evaluation
catalytic rates, i.e., to study the interplay between diffusion and reaction. To this end, we used pulsed field gradient (PFG) NMR for the first time to directly determine the diffusivities of reaction gases
blood flow disruption can occur in blood vessels that are not ideally formed during each individual pulse cycle. Why Is Turbulence Dangerous to Health? The inner lining of blood vessels – the endothelium [...] When there is now turbulence with related shear stress fluctuations and reverse flow during each pulse cycle it can initiate cellular disfunctions that can lead to an endothelial infection and to arte
ultrafast laser spectroscopy methods. In the process, the scientists illuminate the material with laser pulses that are only a few femtoseconds short. A femtosecond corresponds to one millionth of a billionth
was so advanced that he was able to develop an ingenious experimental plan for measurements using pulse gradients. These types of measurements were new to us in the field.” Zimmermann’s clear and well-