Multiple phosphorus chemical sites in heavily phosphorus-doped diamond

Hiroyuki Okazaki, Rikiya Yoshida, Takayuki Muro, Tetsuya Nakamura, Takanori Wakita, Yuji Muraoka, Masaaki Hirai, Hiromitsu Kato, Satoshi Yamasaki, Yoshihiko Takano, Satoshi Ishii, Tamio Oguchi, Takayoshi Yokoya

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14 Citations (Scopus)

Abstract

We have performed high-resolution core level photoemission spectroscopy on a heavily phosphorus (P)-doped diamond film in order to elucidate the chemical sites of doped-phosphorus atoms in diamond. P2p core level study shows two bulk components, providing spectroscopic evidence for multiple chemical sites of doped-phosphorus atoms. This indicates that only a part of doped-phosphorus atoms contribute to the formation of carriers. From a comparison with band calculations, possible origins for the chemical sites are discussed.

Original languageEnglish
Article number082107
JournalApplied Physics Letters
Volume98
Issue number8
DOIs
Publication statusPublished - 2011 Feb 21

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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