Spectroscopic response of Cd(Zn)Te radiation detectors with a Schottky diode

Alexandr A. Zakharchenko; Leonid N. Davydov; Anna I. Skrypnyk; Alexandr V. Rybka; Vladimir E. Kutny; Manap A. Khazhmuradov; Petro M. Fochuk; Valery M. Sklyarchuk; Aleksey E. Bolotnikov; Ralph B. James

doi:10.1117/12.2060403

5 September 2014 Spectroscopic response of Cd(Zn)Te radiation detectors with a Schottky diode

Alexandr A. Zakharchenko; Leonid N. Davydov; Anna I. Skrypnyk; Alexandr V. Rybka; Vladimir E. Kutny; Manap A. Khazhmuradov; Petro M. Fochuk; Valery M. Sklyarchuk; Aleksey E. Bolotnikov; Ralph B. James

Author Affiliations +

Proceedings Volume 9213, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVI; 92131C (2014) https://doi.org/10.1117/12.2060403
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

We investigated the spectroscopic properties of several Cd(Zn)Te detectors with a Schottky contact and simulated them via a computer code. The responses were determined of 0.5-mm-thick surface-barrier Ni/Cd(Zn)Te/Ni detectors to gamma-rays from reference sources of ²⁴¹Am, ¹³³Ba, ¹⁵²Eu, ¹³⁷Cs and ⁶⁰Co. The best measured energy-resolution at 661.67 keV (¹³⁷Cs) of these detectors under 800 V of displacement voltage was better than 1.5%. The detectors’ response functions, simulated with Geant4 toolkit, agreed satisfactorily with our experimental data.

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Alexandr A. Zakharchenko, Leonid N. Davydov, Anna I. Skrypnyk, Alexandr V. Rybka, Vladimir E. Kutny, Manap A. Khazhmuradov, Petro M. Fochuk, Valery M. Sklyarchuk, Aleksey E. Bolotnikov, Ralph B. James, "Spectroscopic response of Cd(Zn)Te radiation detectors with a Schottky diode", Proc. SPIE 9213, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVI, 92131C (5 September 2014); doi: 10.1117/12.2060403; https://doi.org/10.1117/12.2060403

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