Volume 199, Issue 1 pp. 131-137
Original Paper

Thermoluminescence properties of CVD diamond films

J. Pospíšil

Corresponding Author

J. Pospíšil

Institute of Physics, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technická 4, 166 07 Prague 6, Czech Republic

Phone: +420 224352432, Fax: +420 233333657Search for more papers by this author
R. Bulíř

R. Bulíř

Institute of Physics, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technická 4, 166 07 Prague 6, Czech Republic

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Z. Budinská

Z. Budinská

Institute of Physics, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technická 4, 166 07 Prague 6, Czech Republic

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R. Novák

R. Novák

Institute of Physics, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technická 4, 166 07 Prague 6, Czech Republic

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B. Sopko

B. Sopko

Institute of Physics, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technická 4, 166 07 Prague 6, Czech Republic

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V. Spěváček

V. Spěváček

Department of Dosimetry and Application of Ionising Radiation, Faculty of Technicaland Nuclear Physics, Czech Technical University in Prague, Břehová 7, 115 19 Prague 1,Czech Republic

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T. Čechák

T. Čechák

Department of Dosimetry and Application of Ionising Radiation, Faculty of Technicaland Nuclear Physics, Czech Technical University in Prague, Břehová 7, 115 19 Prague 1,Czech Republic

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P. Hlídek

P. Hlídek

Institute of Physics, Charles University, Ke Karlovu 5, 121 16 Prague 2, Czech Republic

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P. Matějka

P. Matějka

Institute of Chemical Technology, Technická 5, 166 28 Prague 6, Czech Republic

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A. Macková

A. Macková

Institute of Nuclear Physics, Czech Academy of Sciences, 250 68 Řež, Czech Republic

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A. Cejnarová

A. Cejnarová

Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Czech Republic

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J. Krása

J. Krása

Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Czech Republic

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First published: 08 September 2003
Citations: 8

Abstract

Two kinds of CVD diamond films were investigated with respect to their thermoluminescent (TL) properties, especially concerning their sensitivity to ionising radiation and to daylight. The films were characterised by means of Raman/photoluminescence/FTIR spectroscopy, XRD, RBS and elastic recoil detection analysis (ERDA). Thermoluminescent (TL) responses of these materials to photons provided by radionuclide 55Fe source (≈6 keV) over the dose range from 1 to 100 mGy were measured. Typical TL glowcurve is a result of two components, one with maximum in range 160–180 °C and the second, between 307–327 °C. In irradiated samples, the first peak is caused by the exposure to daylight, which increases overall TL signal, the second is caused by irradiation by ?-photons. Exploitation of TL properties of CVD diamonds for a photon dosimetry is possible after careful daylight shielding. The sensitivity of used CVD diamond dosimeters was 10 times less than that of TLD 100 (LiF: Mg, Ti) Harshaw dosimeter. (© 2003 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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