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Pixelated CdZnTe drift detectors

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2 Author(s)
Kuvvetli, Irfan ; Astrophys. Dept., Danish Nat. Space Center, Copenhagen, Denmark ; Budtz-Jorgensen, C.

A technique, the so-called Drift Strip Method (DSM), for improving the CdZnTe detector energy response to hard X-rays and gamma-rays was applied as a pixel geometry. First tests have confirmed that this detector type provides excellent energy resolution and imaging performance. We specifically report on the performance of 3 mm thick prototype CZT drift pixel detectors fabricated using material from eV-products. We discuss issues associated with detector module performance. Characterization results obtained from several prototype drift pixel detectors are presented. Results of position and energy resolution measurements, charge sharing and IV-measurements are discussed.

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Nuclear Science, IEEE Transactions on  (Volume:52 ,  Issue: 5 )