Location of the hydrogen donor in InN: Evidence from muonium results

Lichti R., Celebi Y. G., Cox S., Davis E.

Journal of Physics Condensed Matter, cilt.16, sa.3, ss.325-331, 2004 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 16 Sayı: 3
  • Basım Tarihi: 2004
  • Doi Numarası: 10.1088/0953-8984/16/3/012
  • Dergi Adı: Journal of Physics Condensed Matter
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.325-331
  • İstanbul Üniversitesi Adresli: Evet

Özet

Muon spin depolarization measurements in a zero applied magnetic field confirm the existence of a shallow muonium (Mu) donor in InN, consistent with earlier transverse-field muon spin precession results. The zero-field data imply two Mu(+) centres in InN, similar to those associated with channel and cage sites in GaN. The zero-field results provide strong evidence that the shallow Mu(0) ionizes to Mu(+) at its lowest-energy location. We argue that data on Mu in the III-V nitrides, taken in total, support the assignment of a wurtzite channel location to the shallow hydrogen donor in InN. The present results yield 15.4 +/- 2 meV below the conduction band edge for the donor level depth.