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Updated: Jul 21, 2026

Low-energy Cathodoluminescence for OxyNitride Phosphors
Published on: November 15, 2016
Deep-blue amplified spontaneous emission and lasing in colloidal silicon nanoclusters
Hiroyuki Yamada1, Tohru Tsuruoka1, Tadaaki Nagao1,2
1Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, 305-0044, Japan. tsuruoka.tohru@nims.go.jp.
Abstract:
We report for the first time the amplified spontaneous emission (ASE) and lasing from blue-emitting silicon nanoclusters. The lasing threshold is determined as 1.8 mJ per pulse and the emission peaks at 434 nm. The laser-induced emission experiments demonstrated in this study encourage further development of solution-processed fabrication of a colloidal silicon quantum dot laser.
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