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Investigation of Deep Levels in CdZnTeSe Crystal and Their Effect on the Internal Electric Field of CdZnTeSe Gamma-Ray Detector

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F19%3A10399558" target="_blank" >RIV/00216208:11320/19:10399558 - isvavai.cz</a>

  • Result on the web

    <a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=aiSyalpC5j" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=aiSyalpC5j</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1109/TNS.2019.2925311" target="_blank" >10.1109/TNS.2019.2925311</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Investigation of Deep Levels in CdZnTeSe Crystal and Their Effect on the Internal Electric Field of CdZnTeSe Gamma-Ray Detector

  • Original language description

    A study of deep levels in CdZnTeSe radiation-detection materials is presented. The approach relies on electrical methods that combine time and temperature evolution of the electric field and electric current after switching on the bias voltage. Two optical methods were also applied to study the deep levels. The first method utilizes the temperature and temporal analysis of the electric field evolution after switching off an additional light illuminating the sample at a wavelength of 940 nm. The second method involved measuring of the electric field spectral dependence during near infrared illumination. The results are compared with those obtained with the high-quality CdZnTe detector-grade material. We conclude that the introduction of Se into the lattice leads to a shift of the second ionization level of the Cd vacancy toward the conduction band, as predicted recently by first-principles calculations based on screened hybrid functionals.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Result continuities

  • Project

    <a href="/en/project/GA18-06818S" target="_blank" >GA18-06818S: Development of high energy CdSeTe and CdZnSeTe radiation detectors</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2019

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    IEEE Transactions on Nuclear Science

  • ISSN

    0018-9499

  • e-ISSN

  • Volume of the periodical

    66

  • Issue of the periodical within the volume

    8

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    7

  • Pages from-to

    1952-1958

  • UT code for WoS article

    000481936800005

  • EID of the result in the Scopus database

    2-s2.0-85071025608