Response of CZT drift-strip detector to X- and gamma rays

Irfan Kuvvetli, Carl Budtz-Jørgensen, Leif Gerward, C.M. Stahle

Research output: Contribution to journalJournal articleResearchpeer-review


The drift-strip method for improving the energy response of a CdZnTe (CZT) detector to hard X- and gamma rays is discussed. Results for a 10 x 10 x 3 mm(3) detector crystal demonstrate a remarkable improvement of the energy resolution. The full width at half maximum (FWHM) is 2.18 keV (3.6%), 2.45 keV (3.0%), 2.86 keV (0.8 %) and 3.89 keV (0.6%) at 60, 80, 356 and 661 keV, respectively. The resolution is limited by electronic noise below 100 keV.
Original languageEnglish
JournalRadiation Physics and Chemistry
Issue number3-6
Pages (from-to)457-460
Publication statusPublished - 2001


  • CdZnTe detector
  • drift-strip detector
  • detector response


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