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1991•Applied Physics LettersRequires access

Extrinsic photoconductivity in chemical vapor deposition diamond

David G. Jeng, H. S. Tuan, Robert F. Salat, Glenn J. Fricano

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Abstract

Photoconductivity in the visible region has been studied in diamond films (DF) grown by the chemical vapor deposition process. It was found that the photocurrent increased linearly with the external bias voltage within the experimental range (30 V). Moreover, by exposing both boron-doped and undoped DF samples in air mass 1 (AM1) condition, the photocurrent produced by the former was approximately an order higher than that by the latter.

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What this paper is about

Photoconductivity in the visible region has been studied in diamond films (DF) grown by the chemical vapor deposition process. It was found that the photocurrent increased linearly with the external bias voltage within the experimental range (30 V). Moreover, by exposing both boron-doped and undoped DF samples in air mass 1 (AM1) condition, the photocurrent produced by the former was approximately an order higher than that by the latter.

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Available abstract

Photoconductivity in the visible region has been studied in diamond films (DF) grown by the chemical vapor deposition process. It was found that the photocurrent increased linearly with the external bias voltage within the experimental range (30 V). Moreover, by exposing both boron-doped and undoped DF samples in air mass 1 (AM1) condition, the photocurrent produced by the former was approximately an order higher than that by the latter.

Key concepts: Photoconductivity, Photocurrent, Chemical vapor deposition, Diamond, Materials science, Optoelectronics, Deposition (geology), Doping

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