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Abstract <p>Three photoluminescence systems with equidistant lines were identified in the natural diamond. The 585&#xa0;nm system with a series of 5 to 12 doublets is characteristic of nickel-containing crystals. For diamonds with signs of plastic deformation, a 690&#xa0;nm system with three local maxima of 617, 626 and 636&#xa0;nm is observed. The 890&#xa0;nm system, accompanied by 912&#xa0; and 933&#xa0;nm centers, is a sign of a perfect crystalline diamond structure.</p>

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Photoluminescence Systems with Equidistant Lines in Natural Diamond

  • 期刊论文

  • 发表日期：

    2026年5月25日

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  • S. V. Lepekha,
  • E. A. Vasilev,
  • D. A. Zedgenizov

摘要

Abstract

Three photoluminescence systems with equidistant lines were identified in the natural diamond. The 585 nm system with a series of 5 to 12 doublets is characteristic of nickel-containing crystals. For diamonds with signs of plastic deformation, a 690 nm system with three local maxima of 617, 626 and 636 nm is observed. The 890 nm system, accompanied by 912  and 933 nm centers, is a sign of a perfect crystalline diamond structure.