The effect of the dielectric layer thickness on spectral performance of cdznte frisch collar gamma ray spectrometers

IEEE Transactions on Nuclear Science

Volumn 56, Issue 3, 2009, Pages 824-831

  Kargar, Alireza ^a   Brooks, Adam C ^a   Harrison, Mark J ^a   Kohman, Kyle T ^a   Lowell, Rans B ^a   Keyes, Roger C ^a   Chen, Henry ^b   Bindley, Glenn ^b   McGregor, Douglas S ^a  

^a KANSAS STATE UNIVERSITY   (United States)

^b REDLEN TECHNOLOGIES   (Canada)

Author keywords

CdZnTe Frisch collar detector; Dielectric thickness

Indexed keywords

CDZNTE FRISCH COLLAR DETECTOR; DIELECTRIC LAYER; DIELECTRIC THICKNESS; OPTIMAL THICKNESS; PLANAR DEVICES; SPECTRAL PERFORMANCE; THREE DIMENSIONAL GEOMETRY;

ASPECT RATIO; CADMIUM COMPOUNDS; DETECTORS; ELECTRIC FIELDS; GAMMA RAYS;

CADMIUM ALLOYS;

EID: 67649227296     PISSN: 00189499     EISSN: None     Source Type: Journal    
DOI: 10.1109/TNS.2009.2017193     Document Type: Article

References (12)

1. W. J. McNeil, D. S. McGregor, A. E. Bolotnikov, G. W. Wright, and R. B. James, "Single charge carrier type sensing with an insulated Frisch ring CdZnTe semiconductor radiation detector," Appl. Phys. Lett., vol. 84, pp. 1988-1990, 2004.
2. A. Kargar, A. M. Jones, W. J. McNeil, M. J. Harrison, and D. S. McGregor, "CdZnTe Frisch collar detectors for "-ray spectroscopy," Nucl. Instrum. Methods, vol. A558, pp. 497-503, 2006.
3. A. Kargar, A. M. Jones, W. J. McNeil, M. J. Harrison, and D. S. McGregor, "Angular response of a W-collimated room-temperature-operated CdZnTe Frisch collar spectrometer," Nucl. Instrum. Methods, vol. A562, pp. 262-271, 2006.
4. D. S. McGregor and R. A. Rojeski, "High Resolution Ionization Detectors and Array of Such Detectors," U.S. Patent US-6175120, Jan. 16, 2001.
5. D. S. McGregor, "Collimated Radiation Detector Assembly, Array of Collimated Radiation Detectors and Collimated Radiation Detector Module," U.S. Patent US-6781132, Aug. 24, 2004.
6. M. J. Harrison, A. Kargar, A. C. Brooks, and D. S. McGregor, "Improved techniques for the fabrication of Frisch collar CdZnTe gamma ray spectrometers," in IEEE Nuclear Science Symp., Waikiki, Hawaii, Oct.-Nov. 28-3, 2007.
7. A. Kargar, R. B. Lowell, M. J. Harrison, and D. S. McGregor, "The crystal geometry and the aspect ratio effects on spectral performance of CdZnTe Frisch collar device," Proc. SPIE, vol. 6706, pp. 1J1-1J17, 2007.
8. W. R. Smythe, Static and Dynamic Electricity, 3rd. ed. New York: McGraw-Hill, 1968.
9. W. Shockley, "Currents to conductors induced by a moving point charge," J. Appl. Phys., vol. 9, pp. 635-636, 1938.
10. S. Ramo, "Currents induced by electron motion," Proc. IRE, pp. 584-585, Sep. 1939.
11. V. Radeka, "Low-noise techniques in detectors," Ann. Rev. Nucl. Part. Sci., vol. 38, pp. 217-277, 1988.
12. D. S. McGregor, Z. He, H. A. Seifert, D. K. Wehe, and R. A. Rojeski, "Single charge carrier type sensing with a parallel strip pseudo-Frisch-grid CdZnTe semiconductor radiation detector," Appl. Phys. Lett., vol. 72, pp. 792-794, 1998.