The effect of long-range Van der Waals forces on the tip-substrate interaction is considered explicitly. We find that in the constant-force mode, atomic resolution is marginally possible for AFM loads (per atom) close to 5??10-9 ... W Zhong,G Overney,D Tománek - 《Epl》 被引量: 11...
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This facilitated, for the first time, multiphoton inner-shell absorption, removing many electrons from a single atom within one X-ray pulse14. Several XFEL experiments have obtained 3D momentum distributions of small molecules with four to five atoms15,16, and pioneering work touched the frontier ...
Analysis of the Lyman-α images yields hydrogen atom production rates of 1.9×10sand 1.4×10sfor the two observations. Images of oxygen, carbon and sulphur emissions obtained with the objective grating spectrograph are presented for the first set of observations and preliminary production rates are ...
hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an amino group, a carbamoyl group or an oxycarbonyl group; G1 represents a carbonyl group, a sulfonyl group, a sulfoxy group, or an iminomethylene group; and each of A1 and A2 represents a hydrogen atom...
Central repository Let's make anAppImageHubwhere upstreams can submit their AppImages to a directory, with automated and crowd-sourced reviews, and with aspects like testing so that certain quality thresholds enforced. AppImageHub will of course be entirely optional, like Docker Hub is to Docker....
New atomic bomb testing at Eniwetok Atoll in the Pacific featuring detonation of the newest type of Hydrogen bomb 00:36 WS Explosion of hydrogen bomb in distance 00:12 Animation nuclear fission occurring when uranium atom is split by neutron, creating energy and two neutrons which repeat the pro...
Image of the square of the wave function of a hydrogen molecule with two electrons. Credit: Waitz et al. Published inNature Communications For the first time, physicists have developed a method to visually image the entanglement between electrons. As these correlations play a prominent role in ...
modified by the electrostatic interaction between the potential created by the sample and the charge distribution associated with the oxygen lone pair at the probe [13,14,15]. The flexibility of the bond between the CO and the last atom of the metal probe magnifies the saddle lines of the to...
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