Thin CdTe detector in diagnostic x-ray spectroscopy

Medical Physics

Volumn 30, Issue 5, 2003, Pages 771-777

  Miyajima, Satoshi ^a  

^a OSAKA UNIVERSITY   (Japan)

Author keywords

Carrier trapping; CdTe Schottky diode detector; Stripping method; Tailing; X ray spectra

Indexed keywords

CADMIUM TELLURIDE; GAMMA RAYS; II-VI SEMICONDUCTORS; METAL DETECTORS; SCHOTTKY BARRIER DIODES; TAILINGS; ULTRAVIOLET SPECTROSCOPY; X RAY SPECTROGRAPHS; X RAY SPECTROSCOPY;

CARRIER TRAPPING; HIGH PURITY GERMANIUM DETECTORS; REFERENCE SPECTRUM; RESPONSE FUNCTIONS; SCHOTTKY DIODE DETECTORS; SPECTRAL DISTORTIONS; STRIPPING METHODS; X-RAY SPECTRA;

X RAY DETECTORS;

AMERICIUM 241; BARIUM; CADMIUM; GERMANIUM; TELLURIUM;

ARTICLE; CALIBRATION; COMPTON EFFECT; CRYSTAL; DIODE; ELECTRIC FIELD; ENERGY; GAMMA RADIATION; MONTE CARLO METHOD; PHOTON; PRIORITY JOURNAL; PROBABILITY; ROENTGEN SPECTROSCOPY; X RAY;

EID: 0038248801     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.1566388     Document Type: Article

References (19)

1. W. W. Seelentag and W. Panzer, "Stripping of x-ray bremsstrahlung spectra up to 300kVp on a desk type computer," Phys. Med. Biol. 24, 767-780 (1979).
2. E. D. Castro, R. Pani, R. Pellegrini, and C. Bacci, "The use of cadmium telluride detectors for the qualitative analysis of diagnostic x-ray spectra," Phys. Med. Biol. 29, 1117-1131 (1984).
3. H. Tsutsui, T. Ohtsuchi, K. Ohmori, and S. Baba, "Measurement of x-ray spectrum using a small size CdTe multichannel detector," IEEE Trans. Nucl. Sci. 39, 2282-2285 (1992).
4. S. Miyajima, K. Imagawa, and M. Matsumoto, "CdZnTe detector in diagnostic x-ray spectroscopy," Med. Phys. 29, 1421-1429 (2002).
5. K. Hecht, "Zum Mechanismus des lichtelektrischen primärstromes in isolierenden kristallen," Z. Phys. 77, 235-245 (1932).
6. R. Trammell and F. J. Walter, "The effects of carrier trapping in semiconductor gamma-ray spectrometers," Nucl. Instrum. Methods Phys. Res. A 76, 317-321 (1969).
7. Y. Eisen, "Current state-of-the-art applications utilizing CdTe detectors," Nucl. Instrum. Methods Phys. Res. A 322, 596-603 (1992).
8. S. Miyajima, H. Sakuragi, and M. Matsumoto, "Extraction of mean free path of charge carriers in CdZnTe crystals from measured full-energy peaks," Nucl. Instrum. Methods Phys. Res. A 485, 533-538 (2002).
9. A. Niemelä, H. Sipilä, and V. I. Ivanov, "Improving CdZnTe x-ray detector performance by cooling and rise time discrimination," Nucl. Instrum. Methods Phys. Res. A 377, 484-486 (1996).
10. A. Niemelä and H. Sipilä, "Evaluation of CdZnTe detectors for soft x-ray applications," IEEE Trans. Nucl. Sci. 41, 1054-1057 (1994).
11. A. Kh. Khusainov, "Cadmium telluride detectors with thermoelectric cooling," Nucl. Instrum. Methods Phys. Res. A 322, 335-340 (1992).
12. C. Matsumoto, T. Takahashi, K. Takigawa, R. Ohno, T. Ozaki, and K. Mori, "Performance of a new Schottky CdTe detector for hard x-ray spectroscopy," IEEE Trans. Nucl. Sci. 45, 428-432 (1998).
13. T. Takahashi, B. Paul, K. Hirose, C. Matsumoto, R. Ohno, T. Ozaki, K. Mori, and Y. Tomita, "High-resolution Schottky CdTe diode for hard x-ray and gamma-ray astronomy," Nucl. Instrum. Methods Phys. Res. A 436, 111-119 (1999).
14. S. Miyajima, K. Imagawa, and M. Matsumoto, "An alignment method for mammographic x-ray spectroscopy under clinical conditions," Br. J. Radiol. 75, 763-766 (2002).
15. Y. Namito and H. Hirayama, "LSCAT: low-energy photon-scattering expansion for the EGS4 code," KEK Internal 2000-4, 2000.
16. H. Hirayama and Y. Namito, "Implementation of a general treatment of photoelectric- related phenomena for compounds or mixture in EGS4," KEK Internal 2000-3, 2000.
17. M. J. Berger, J. S. Coursey, and M. A. Zucker, "ESTAR, PSTAR, and ASTAR: computer programs for calculating stopping-power and range tables for electrons, protons, and helium ions (ver. 1.21) [Online]," available at http://physics.nist.gov/PhysRefData/Star/Text/method.html, National Institute of Standards and Technology, Gaithersburg, MD, 1999.
18. J. H. Hubbell and S. M. Seltzer, "Tables of x-ray mass attenuation coefficients and mass energy-absorption coefficients 1 keV to 20 MeV for elements Z = 1 to 92 and 48 additional substances of dosimetric interest," NISTIR 5632, National Institute of Standards and Technology, Gaithersburg, MD, 1995.
19. S. Miyajima and K. Imagawa, "CdZnTe detector in mammographic x-ray spectroscopy," Phys. Med, Biol. 47, 3959-3972 (2002).