6533b7cffe1ef96bd125994e
RESEARCH PRODUCT
Mechanically stable metal layers for ohmic and blocking contacts on CdZnTe detectors by electroless deposition
Manuele BettelliDavide CalestaniLeonardo AbbeneA. ZappettiniFabio PrincipatoLucia NasiE. GombiaG. BenassiNicola Zambellisubject
Radiology Nuclear Medicine and ImagingMaterials scienceContactschemistry.chemical_elementElectroless depositionCrystalsMetalNickelOhmic contactAnodesInstrumentationNuclear and High Energy Physicbusiness.industryBlocking (radio)MethanolMetallurgyDetectorSettore FIS/01 - Fisica SperimentaleDetectorsSettore FIS/07 - Fisica Applicata(Beni Culturali Ambientali Biol.e Medicin)AnodeLow noiseNickelchemistryvisual_artvisual_art.visual_art_mediumOptoelectronicsGoldbusinessdescription
CdZnTe detectors are commonly exploited for the detection of gamma rays. However, obtaining mechanical stable, low noise contacts on CdZnTe is still an issue. In particular, ohmic contacts would be preferable for high flux applications. In this work, we show that it is possible to obtain mechanical stable gold contacts by electroless deposition in methanol solution. Moreover, we show that electroless deposited nickel contacts are also mechanical stable and are good candidates for the realization of ohmic contacts on high resistivity CdZnTe crystals.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2015-10-01 |