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Figure 2. (a) In situ electronic structure characterization of the Ni(100) surface upon STM tip-induced plasticity. Differential tunneling conductance measurements, dI/dV, obtained both at dislocation steps (solid curve) and away from dislocations (dashed curve). Each curve is the average of over 100 point spectra from three different indentations. The error in dI/dV measured by standard deviation is ±18%, represented by dashed enveloping curves. Schematic density of state diagrams illustrate how an increase in DOS around EF can be interpreted as an up-shift in the Ni d-band center from (b) ɛdflat at the undamaged surface to (c) ɛddisl at dislocations (after [14]).
References
Herbert, F.W., Van Vliet, K.J., and Yildiz, B.: Plasticity-induced oxidation reactivity on Ni(100) studied by scanning tunneling spectroscopy. MRS Communications, doi: 10.1557/mrc.2011.17, Published online 14 October 2011.Google Scholar
Figure 2.(a) In situ electronic structure characterization of the Ni(100) surface upon STM tip-induced plasticity. Differential tunneling conductance measurements, dI/dV, obtained both at dislocation steps (solid curve) and away from dislocations (dashed curve). Each curve is the average of over 100 point spectra from three different indentations. The error in dI/dV measured by standard deviation is ±18%, represented by dashed enveloping curves. Schematic density of state diagrams illustrate how an increase in DOS around EF can be interpreted as an up-shift in the Ni d-band center from (b) ɛdflat at the undamaged surface to (c) ɛddisl at dislocations (after [14]).