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Electronic landscape

Based on the theoretical electrochemistry method outlined above in combination with DFT calculations, the potential energy of the intermediates can be obtained at a given potential, (Fig. 3.5). Since aU steps involve exactly one proton and electron transfer, the height of the different steps scales directly with the potential. To calculate the potential energy landscape at the equilibrium potential, the levels are moved down hyn X 1.23 eV, where n is the number of the electrons at the given state (the horizontal axis in Fig. 3.5). [Pg.66]

Speleothems and other secondary carbonate deposits such as tufa, travertines, lake carbonates and vein calcites have the potential to provide valuable information about past climate, hydrogeochemistry, landscape development and hominid evolution during the early Quaternary and Tertiary periods. Electron-spin resonance (Griin 1989, Rink 1997) and disequilibrium methods (Ludwig et al. 1992) have proved to be useful in... [Pg.424]

SAEFL, Waste Management Guidelines for the Ordinance on the Return, the Taking Back and the Disposal of Electrical and Electronic Appliances (ORDEA), Swiss Agency for the Environment, Forests and Landscape, p. 76, Bern, Switzerland, 2000. [Pg.1232]

Figure 6.2 Relief map of the electron density in the molecular plane of SCI2. The vertical direction (z axis) is used to show the value of p, which depends on the two coordinates (x,y) describing the molecular plane. The value of p at the nuclear positions is of the order of 3 X 103 au but the peaks have been truncated at 15 au. Note the dramatic behavior of the electron density in the vicinity of the nuclei there are huge peaks appearing on a nearly flat landscape. Figure 6.2 Relief map of the electron density in the molecular plane of SCI2. The vertical direction (z axis) is used to show the value of p, which depends on the two coordinates (x,y) describing the molecular plane. The value of p at the nuclear positions is of the order of 3 X 103 au but the peaks have been truncated at 15 au. Note the dramatic behavior of the electron density in the vicinity of the nuclei there are huge peaks appearing on a nearly flat landscape.
Rocha AR, Garcia-Suarez VM, Bailey S, Lambert C, Ferrer J, Sanvito S (2006) Spin and molecular electronics in atomically generated orbital landscapes. Phys Rev B 73(8) 085414-085422... [Pg.33]

Prodded into action by the leaps and bounds of modem technology, the venerable astronomy has rediscovered the enthusiasm of its youth. Today, there is revolution in the air. The exponential growth of astronomical discovery in modern times can be directly correlated with the availability of new detection methods and instrumentation. The science of the sky has become an industry and the great astronomers appear as relics in a landscape completely awash with electronics and data processing. [Pg.39]

To a good analogy, before the invention of STM, the determination of surface structure was similar to the case of speculating on the landscape of a planet from information taken through an astronomical telescope. In analogy to spacecraft, the STM sends electrons to the vicinity of the "planets" to take direct, close-up photographs. [Pg.325]

Baier, Giesen et al. have described the dynamics of step and island on Ag(lll) and Cu(lOO) [31], as well as on Au(lOO) [32] electrodes in the electrolyte. Baier and Giesen [33] have determined the activation energies of mass transport processes on Ag(lll) electrodes in the aqueous electrolyte. Haftel and Einstein [34] have studied the influence of the electrochemical potential on energy landscapes close to step-and island edges Ag(lll) and Ag(lOO). A model of the metal/solution interface involving hydrophilicity of Ag(lll) and based on the capacitance analysis, has been published by Emets et al. [35] Electron... [Pg.919]

Lee JC, Chang I-J, Gray HB, Winkler JR. The cytochrome c folding landscape revealed by electron-transfer kinetics. J Mol Biol 2002 320 159-64. [Pg.226]

Xu, Q., Baciou, L., Sebban, P., and Gunner, MR.. (2002) Exploring the Energy Landscape for QA- to QB Electron transfer in Bacterial photosynthetic reaction centers effect of substrate position and tail length on the conformational gating step, Biochemistry 41, 10021-10025. [Pg.226]

The content of the experience has an emotional richness that is profoundly deep, yet so positive that one must laugh aloud. Inevitably, the subjective richness, and the apparent self-coherence of the content of the tryptamine trance, leads those who experience it to wonder after its implications for modem humans. The idea of the simultaneous coexistence of an alien dimension all around us is as strange an idea in the context of modem society as it must have been to the first shamans, whose experiments with psychoactive plants would have soon brought them to the same tryptamine doorway. What is the nature of the invisible landscape beyond that doorway The answer to the question is linked to the question of the nature of mind. If the world beyond the doorway can be given consensual validation of the sort extended to the electron and the black hole—in other words, if the world beyond the doorway is found to be a necessary part of scientifically mature thinking about the world—then our own circumscribed historical stmggle will be subject to whole new worlds of possibility. [Pg.80]


See other pages where Electronic landscape is mentioned: [Pg.444]    [Pg.7]    [Pg.333]    [Pg.444]    [Pg.7]    [Pg.333]    [Pg.132]    [Pg.180]    [Pg.184]    [Pg.1027]    [Pg.1221]    [Pg.1224]    [Pg.362]    [Pg.97]    [Pg.333]    [Pg.201]    [Pg.23]    [Pg.231]    [Pg.31]    [Pg.40]    [Pg.905]    [Pg.686]    [Pg.237]    [Pg.257]    [Pg.42]    [Pg.403]    [Pg.293]    [Pg.15]    [Pg.32]    [Pg.84]    [Pg.155]    [Pg.71]    [Pg.259]    [Pg.334]    [Pg.106]    [Pg.105]    [Pg.108]    [Pg.120]    [Pg.3814]    [Pg.202]   
See also in sourсe #XX -- [ Pg.7 ]




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