Luminescence from Nd- and Dy-ion-implanted 4H-SiC

Shinji Kawai, Takayoshi Masaki, Yoshimine Kato, Teruaki Motooka

研究成果: ジャーナルへの寄稿記事

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Cathodoluminescence (CL) and photoluminescence (PL) properties are studied on neodymium (Nd)- and dysprosium (Dy)-ion-implanted 4H-SiC. No appreciable CL and PL can be observed for all as-implanted samples. Strong visible CL due to Nd3+ and Dy3+ is observed only after rapid thermal annealing at 1500 °C followed by thermal oxidations at 860 °C for 720 min. On the other hand, near infrared PL is observed only from Nd-implanted 4H-SiC without thermal oxidation. It is found from the CL spectra observed after thermal oxidation that the ligand field effects on Nd3+ are strong, while those on Dy3+ are weak.

ジャーナルApplied Physics Letters
出版物ステータス出版済み - 5 23 2006

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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