How light hardens a semiconductor (IMAGE)
Caption
Schematic illustration of how light affects the nucleation (birth) of dislocations (slippages of crystal planes) and dislocation motion, when the sample is also placed under mechanical loading. The Nagoya University/Technical University of Darmstadt research collaboration has found clear evidence that propagation of dislocations in semiconductors is suppressed by light. The likely cause is interaction between dislocations and electrons and holes excited by the light.
Credit
Atsutomo Nakamura
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