Photoconductivity study of Li doped homoepitaxially grown CVD diamond

R. Zeisel; C. E. Nebel; M. Stutzmann; H. Sternschulte; M. Schreck; B. Stritzker

doi:10.1002/1521-396X(200009)181:1<45::AID-PSSA45>3.0.CO;2-2

Photoconductivity study of Li doped homoepitaxially grown CVD diamond

R. Zeisel, C. E. Nebel, M. Stutzmann, H. Sternschulte, M. Schreck, B. Stritzker

TUM Emeriti of Excellence

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

20 Zitate (Scopus)

Abstract

Spectrally resolved photoconductivity (PC) experiments on homoepitaxially grown, Li doped chemical vapour deposited diamond layers are presented. Our measurements reveal two new photoconductive levels with absorption thresholds at photon energies of 0.9 eV and 1.5 eV. Due to metastable occupation, the spectral dependence of the photoconductivity exhibits a pronounced peak. Via photoconductivity excitation experiments it could be shown that both new levels can be filled by photoionisation of the N donor. No correlation between Li content and spectral weight of photoexcitation at 1.7 eV could be observed.

Originalsprache	Englisch
Seiten (von - bis)	45-50
Seitenumfang	6
Fachzeitschrift	Physica Status Solidi (A) Applied Research
Jahrgang	181
Ausgabenummer	1
DOIs	https://doi.org/10.1002/1521-396X(200009)181:1<45::AID-PSSA45>3.0.CO;2-2
Publikationsstatus	Veröffentlicht - Sept. 2000

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abstract = "Spectrally resolved photoconductivity (PC) experiments on homoepitaxially grown, Li doped chemical vapour deposited diamond layers are presented. Our measurements reveal two new photoconductive levels with absorption thresholds at photon energies of 0.9 eV and 1.5 eV. Due to metastable occupation, the spectral dependence of the photoconductivity exhibits a pronounced peak. Via photoconductivity excitation experiments it could be shown that both new levels can be filled by photoionisation of the N donor. No correlation between Li content and spectral weight of photoexcitation at 1.7 eV could be observed.",

author = "R. Zeisel and Nebel, {C. E.} and M. Stutzmann and H. Sternschulte and M. Schreck and B. Stritzker",

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AU - Zeisel, R.

AU - Nebel, C. E.

AU - Stutzmann, M.

AU - Sternschulte, H.

AU - Schreck, M.

AU - Stritzker, B.

PY - 2000/9

Y1 - 2000/9

N2 - Spectrally resolved photoconductivity (PC) experiments on homoepitaxially grown, Li doped chemical vapour deposited diamond layers are presented. Our measurements reveal two new photoconductive levels with absorption thresholds at photon energies of 0.9 eV and 1.5 eV. Due to metastable occupation, the spectral dependence of the photoconductivity exhibits a pronounced peak. Via photoconductivity excitation experiments it could be shown that both new levels can be filled by photoionisation of the N donor. No correlation between Li content and spectral weight of photoexcitation at 1.7 eV could be observed.

AB - Spectrally resolved photoconductivity (PC) experiments on homoepitaxially grown, Li doped chemical vapour deposited diamond layers are presented. Our measurements reveal two new photoconductive levels with absorption thresholds at photon energies of 0.9 eV and 1.5 eV. Due to metastable occupation, the spectral dependence of the photoconductivity exhibits a pronounced peak. Via photoconductivity excitation experiments it could be shown that both new levels can be filled by photoionisation of the N donor. No correlation between Li content and spectral weight of photoexcitation at 1.7 eV could be observed.

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Photoconductivity study of Li doped homoepitaxially grown CVD diamond

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