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In article number 2006957, Nomi L. A. N. Sorgenfrei and co‐workers demonstrate that a weak optical excitation creates electrons in the conduction band of p‐doped semiconducting molybdenum disulfide, which travel toward the surface layer. They accumulate in the top layer and concomitantly drive it from the semiconducting toward the metallic phase. The selectivity of synchrotron time‐resolved electron...
Visible light is shown to create a transient metallic S–Mo–S surface layer on bulk semiconducting p‐doped indirect‐bandgap 2H‐MoS2. Optically created electron–hole pairs separate in the surface band bending region of the p‐doped semiconducting crystal causing a transient accumulation of electrons in the surface region. This triggers a reversible 2H‐semiconductor to 1T‐metal phase‐transition of the...
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