Muonium studies of p-type semi-conducting diamond under conditions of UV-visible illumination

I. Z. Machi, S. H. Connell, J. Major, C. G. Smallman, J. P F Sellschop, K. Bharuth-Ram, R. D. Maclear, B. P. Doyle, J. E. Butler, R. Scheuermann, A. Seeger

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This work reports on the promptly forming fraction and the spin relaxation rate of the isotropic muonium (MUT) component in p-type semi-conducting diamond, measured under the condition of illumination. The data are the first such investigations for diamond. A broad band illumination with wavelengths ranging from 0.5 μm to 3 μm was obtained from a Xenon lamp. The energy of the photons was sufficient to excite electrons from the valence band to the 0.28 ppm boron impurity band (0.37 eV). The Transverse Field Muon Spin Rotation (TF-μSR) measurements were conducted as a function of temperature, ranging from 5 K to 300 K. An illumination effect at temperatures below 100 K is observed. It is not yet clear from these data whether the effect is due to MUT scattering off delocalized holes, which are removed by illumination or whether there is prompt trapping of MUT at boron impurities (passivation) which is affected by illumination.

Original languageEnglish
Pages (from-to)585-589
Number of pages5
JournalHyperfine Interactions
Volume120-121
Issue number1-8
Publication statusPublished - 1999

Fingerprint

Semiconducting diamonds
muonium
Lighting
diamonds
illumination
conduction
Boron
boron
Impurities
xenon lamps
muon spin rotation
impurities
Xenon
Diamond
Valence bands
Electric lamps
Passivation
passivity
Diamonds
Photons

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials
  • Nuclear and High Energy Physics
  • Physical and Theoretical Chemistry

Cite this

Machi, I. Z., Connell, S. H., Major, J., Smallman, C. G., Sellschop, J. P. F., Bharuth-Ram, K., ... Seeger, A. (1999). Muonium studies of p-type semi-conducting diamond under conditions of UV-visible illumination. Hyperfine Interactions, 120-121(1-8), 585-589.

Muonium studies of p-type semi-conducting diamond under conditions of UV-visible illumination. / Machi, I. Z.; Connell, S. H.; Major, J.; Smallman, C. G.; Sellschop, J. P F; Bharuth-Ram, K.; Maclear, R. D.; Doyle, B. P.; Butler, J. E.; Scheuermann, R.; Seeger, A.

In: Hyperfine Interactions, Vol. 120-121, No. 1-8, 1999, p. 585-589.

Research output: Contribution to journalArticle

Machi, IZ, Connell, SH, Major, J, Smallman, CG, Sellschop, JPF, Bharuth-Ram, K, Maclear, RD, Doyle, BP, Butler, JE, Scheuermann, R & Seeger, A 1999, 'Muonium studies of p-type semi-conducting diamond under conditions of UV-visible illumination', Hyperfine Interactions, vol. 120-121, no. 1-8, pp. 585-589.
Machi IZ, Connell SH, Major J, Smallman CG, Sellschop JPF, Bharuth-Ram K et al. Muonium studies of p-type semi-conducting diamond under conditions of UV-visible illumination. Hyperfine Interactions. 1999;120-121(1-8):585-589.
Machi, I. Z. ; Connell, S. H. ; Major, J. ; Smallman, C. G. ; Sellschop, J. P F ; Bharuth-Ram, K. ; Maclear, R. D. ; Doyle, B. P. ; Butler, J. E. ; Scheuermann, R. ; Seeger, A. / Muonium studies of p-type semi-conducting diamond under conditions of UV-visible illumination. In: Hyperfine Interactions. 1999 ; Vol. 120-121, No. 1-8. pp. 585-589.
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