The presence of Te inclusions is one of the main factors limiting performances of CdZnTe crystals as X-ray detectors. We show that by means of infrared laser radiation it is possible to move and anneal tellurium inclusions exploiting a thermo-diffusion mechanism. The process is studied live during irradiation by means of an optical microscope equipment. Experimental conditions, and, in particular, energy laser fluence, for annealing inclusions of different dimensions are determined.

Live-monitoring of Te inclusions laser-induced thermo-diffusion and annealing in CdZnTe crystals / A., Zappettini; Zambelli, Nicola; Benassi, Giacomo; Calestani, Davide; Pavesi, Maura. - In: APPLIED PHYSICS LETTERS. - ISSN 0003-6951. - 104:25(2014), p. 252105. [10.1063/1.4885116]

Live-monitoring of Te inclusions laser-induced thermo-diffusion and annealing in CdZnTe crystals

ZAMBELLI, Nicola;BENASSI, Giacomo;CALESTANI, Davide;PAVESI, Maura
2014-01-01

Abstract

The presence of Te inclusions is one of the main factors limiting performances of CdZnTe crystals as X-ray detectors. We show that by means of infrared laser radiation it is possible to move and anneal tellurium inclusions exploiting a thermo-diffusion mechanism. The process is studied live during irradiation by means of an optical microscope equipment. Experimental conditions, and, in particular, energy laser fluence, for annealing inclusions of different dimensions are determined.
2014
Live-monitoring of Te inclusions laser-induced thermo-diffusion and annealing in CdZnTe crystals / A., Zappettini; Zambelli, Nicola; Benassi, Giacomo; Calestani, Davide; Pavesi, Maura. - In: APPLIED PHYSICS LETTERS. - ISSN 0003-6951. - 104:25(2014), p. 252105. [10.1063/1.4885116]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11381/2738705
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