Cathodoluminescence of exciton recombinations and vibronic color centers in undoped, boron-doped, and nitrogen-doped CVD diamonds

H. Kawarada*, Y. Yokota, T. Sogi, H. Matsuyama, A. Hiraki

*この研究の対応する著者

研究成果: Conference article › 査読

7 被引用数 (Scopus)

抄録

A variety of cathodoluminescence depending on crystal perfection, impurities, and defects such as vacancies and interstitials have been investigated in undoped, boron-doped, and nitrogen-doped CVD diamonds. The free exciton recombination radiation is sensitive to the perfection and purity of diamonds and is located in {100} sectors. The bound exciton recombination radiation depends on the amount of boron in diamonds. The 5RL center is strong in the undoped diamonds after neutron irradiation and supposed to be related to intrinsic defects such as self-interstitials. The 2.16 eV and the 3.19 eV centers are observed prominently in the nitrogen-doped diamonds after electron irradiation and subsequent annealing. The origins of the 2.16 center (nitrogen-vacancy complex) are located in {100} sectors.

本文言語English
ページ（範囲）152-159
ページ数8
ジャーナルProceedings of SPIE - The International Society for Optical Engineering
巻1325
出版ステータスPublished - 1990 12月 1
外部発表はい
イベントDiamond Optics III - San Diego, CA, USA
継続期間: 1990 7月 9 → 1990 7月 11

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • コンピュータ サイエンスの応用
  • 応用数学
  • 電子工学および電気工学

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