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Paper Information

Journal:   JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   2015 , Volume - , Number 72; Page(s) 54 To 62.
 
Paper: 

DESIGN AND MANUFACTURE OF CDZNTE SEMICONDUCTOR DETECTOR FOR GAMMA RAY DETECTION

 
 
Author(s):  BALKANIAN N., YEGANEH M.*, RAHMATALLAHPUR SH., TAGHAVI M., SOURI A.
 
* WORTH NORTH RESEARCH COMPLEX, NUCLEAR SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE, BONAB – IRAN
 
Abstract: 

In this paper, the process of crystal selection, samples preparation and method of shottkey and ohmic contacts creation for CdZnTe or CZT detector, to be used as a portable device operating at room temperature, have been reported. First, the ratio of CZT element and crystal dimensions was determined via MCNP4C code and its effect on the electrical and detection behavior was investigated. After the crystal preparation, its surface was activated by chemical method. On one side, Au with a thickness of 100nm was coated as a schottkey contact and on the other side, in was coated as an ohmic contact with physical vapor deposition. The electrical characters of the sensor such as current-voltage, current-capacitance and current-temperature were measured. The sensor was connected to a pre-amp, pulse shaping, amplifier and MCA. The detector was tested by point sources of Cs-137 and Th-232, and was calibrated by standard uranium samples. The results showed that the FWHM of 662 keV is 3.8 keV and the error for the enrichment determination was less than 3%.

 
Keyword(s): CZT CRYSTAL, SCHOTTKEY CONTACT, OHMIC CONTACT
 
 
References: 
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Click to Cite.
APA: Copy

BALKANIAN, N., & YEGANEH, M., & RAHMATALLAHPUR, S., & TAGHAVI, M., & SOURI, A. (2015). DESIGN AND MANUFACTURE OF CDZNTE SEMICONDUCTOR DETECTOR FOR GAMMA RAY DETECTION. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, -(72), 54-62. https://www.sid.ir/en/journal/ViewPaper.aspx?id=507662



Vancouver: Copy

BALKANIAN N., YEGANEH M., RAHMATALLAHPUR SH., TAGHAVI M., SOURI A.. DESIGN AND MANUFACTURE OF CDZNTE SEMICONDUCTOR DETECTOR FOR GAMMA RAY DETECTION. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY. 2015 [cited 2021May13];-(72):54-62. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=507662



IEEE: Copy

BALKANIAN, N., YEGANEH, M., RAHMATALLAHPUR, S., TAGHAVI, M., SOURI, A., 2015. DESIGN AND MANUFACTURE OF CDZNTE SEMICONDUCTOR DETECTOR FOR GAMMA RAY DETECTION. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, [online] -(72), pp.54-62. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=507662.



 
 
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