http://www.cnr.it/ontology/cnr/individuo/prodotto/ID32787
Study of surface treatment effects on the metal-CdZnTe interface (Articolo in rivista)
- Type
- Label
- Study of surface treatment effects on the metal-CdZnTe interface (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
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- Marchini L.; Zappettini A.; Gombia E.; Mosca R.; Pavesi M. (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
- In: Proceedings of the Ieee, vol. NSS08 pp. 340 - 342. 2008 IEEE Nuclear Science Symposium Conference Record - Dresden, Germany (19-25 Oct. 2008). IEEE, 2008. (literal)
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR-IMEM, Parma, Dipartimento di Fisica, Università di Parma (literal)
- Titolo
- Study of surface treatment effects on the metal-CdZnTe interface (literal)
- Abstract
- The quality of a CdZnTe-based X-ray detector is highly related to the interface between semiconductor and metal contact. One of the factors that increase leakage currents in CdZnTe based X-Ray detectors is the presence of a conductive surface layer. In this paper the result of the passivation of the CdZnTe surface by means of an aqueous etching solution of NH4F/H2O2 is studied by optical ellipsometry and by the current-voltage characteristics of gold contacts deposited on the etched surface. Collected data show that leakage currents can be reduced and contact stability improved by the combined use of the passivation layer and a guard ring. (literal)
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