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Photomodulated electron-spin resonance in amorphous silicon

Hattori, K. ; Ota, Y. ; Sato, K. ; Okamoto, H.

Journal of Applied Physics, 01 November 1998, Vol.84(9), pp.4974-4978 [Periódico revisado por pares]

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  • Título:
    Photomodulated electron-spin resonance in amorphous silicon
  • Autor: Hattori, K. ; Ota, Y. ; Sato, K. ; Okamoto, H.
  • Assuntos: Condensed Matter: Electrical And Magnetic Properties
  • É parte de: Journal of Applied Physics, 01 November 1998, Vol.84(9), pp.4974-4978
  • Descrição: Electron-spin resonance (ESR) under a modulated photoexcitation has been measured for investigating the nonequilibrium carriers trapped at band-tail states in hydrogenated amorphous silicon. The photomodulation technique is successfully applied for detecting the weak 29 Si hyperfine structures involved in the light-induced ESR spectrum. Access to the recombination kinetics for band-tail carriers is obtained by the frequency-domain study of modulated ESR signal. Physical insights which led from these measurements are discussed quantitatively.
  • Idioma: Inglês

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