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Nanotechnology Now - Press Release: Light in concert with force reveals how materials become harder when illuminated: When indented by a probe in darkness, wafers of some semiconductors are putty-like When illuminated by light whose wavelength matches the band gap, they become hard, as electrons and holes freed by

Nanotechnology Now - Press Release: Light in concert with force reveals how materials become harder when illuminated: When indented by a probe in darkness, wafers of some semiconductors are putty-like When illuminated by light whose wavelength matches the band gap, they become hard, as electrons and holes freed by
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United statesAtsutomo nakamuraXufei fangAthene young investigator programmeTechnical university of darmstadtNagoya universityNagoya university technical of darmstadtInstrument at berkeley lab advanced light sourceHome press lightWave incChip technologyTechnical universityProfessor atsutomo nakamuraProfessor nakamuraGrant numberGrant numbers

Light in concert with force reveals how materials become harder when illuminated

E-Mail IMAGE: 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. view more Credit: Atsutomo Nakamura Semiconductor materials play an indispensable role in our modern information-oriented society. For reliable performance of semiconductor devices, these materials need to have superior mechanical properties: they must be strong as well as resistant to fracture, despite being rich in nanoscale structures. Recently, it has become increasingly clear that the optical environment affects the structural strength of semiconductor materials. The effect can be much more significant than expected, especially in light-sensitive semiconductors, and particularly since due to technological constraints or fabrication cost many semiconductors can only be mass-produced in very small and thin sizes. Moreover, labora

Atsutomo nakamuraXufei fangNagoya universityAthene young investigator programmeTechnical university of darmstadtProfessor atsutomo nakamuraTechnical universityProfessor nakamuraGrant numberGrant numbersChemistry physics materials sciencesSuperconductors semiconductorsElectrical engineering electronicsNanotechnology micromachinesநாகோயா பல்கலைக்கழகம்ஏதீன் இளம் புலனாய்வாளர் ப்ரோக்ராம்