Study of electric field distribution and low frequency noise of CdZnTe radiation detectors

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F13%3A10140054" target="_blank" >RIV/00216208:11320/13:10140054 - isvavai.cz</a>

Alternative codes found

RIV/00216305:26220/13:PU103362

Result on the web

<a href="http://dx.doi.org/10.1088/1748-0221/8/06/C06005" target="_blank" >http://dx.doi.org/10.1088/1748-0221/8/06/C06005</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1088/1748-0221/8/06/C06005" target="_blank" >10.1088/1748-0221/8/06/C06005</a>

Result language

angličtina

Original language name

Study of electric field distribution and low frequency noise of CdZnTe radiation detectors

Original language description

Polarization phenomena in a metal-semiconductor-metal (M-S-M) structure of metallic Schottky contacts deposited on CdZnTe radiation detectors were studied. We evaluate the distribution of the electric field along the biased M-S-M structure by Pockels measurements. The results show that almost all the electric field is developed across the depletion layer of the reverse-biased contact. The noise measurements of the CdZnTe detectors studied show that the dominant noise is 1/f(m) noise. The 1/f(m) noise, with the parameter m close to one, is present at frequencies below 100 Hz and its bandwidth decreases in the course of the polarization process. At higher frequencies, we observed an increase of the m parameter to 2, which indicates a strengthened effectof the generation-recombination processes. In the frequency band of dominating 1/f(m-1) noise, the increase of magnitude of the noise spectral density was proportional to the power of 6, in relation to the current through the detector. Th

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

BM - Solid-state physics and magnetism

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2013

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Instrumentation

ISSN

1748-0221

e-ISSN

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Volume of the periodical

8

Issue of the periodical within the volume

1

Country of publishing house

GB - UNITED KINGDOM

Number of pages

6

Pages from-to

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UT code for WoS article

000321627400005

EID of the result in the Scopus database

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