Effects of deformation on band-edge luminescence of hexagonal boron nitride single crystals

@inproceedings{Watanabe2006EffectsOD,
  title={Effects of deformation on band-edge luminescence of hexagonal boron nitride single crystals},
  author={Kenji Watanabe and Takashi Taniguchi and Takashi Kuroda and Hisao Kanda},
  year={2006}
}
The authors observed a drastic change in exciton-related luminescence in deformed hexagonal boron nitride single crystals. High quality single crystals that showed a free exciton luminescence band at 215nm were used as a starting material. They were pinched between aluminum plates and pressed with the tips of the first two fingers. The pressed crystals dominantly showed band-edge luminescence at the 227 instead of the 215nm band. The authors attribute this 227nm band to bound exciton… CONTINUE READING

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