2013
DOI: 10.1088/0022-3727/46/45/455502
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A multi-technique characterization of electroless gold contacts on single crystal CdZnTe radiation detectors

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Cited by 22 publications
(18 citation statements)
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“…. This would be equivalent to 3.2 to 34.4 pA per pixel for a 250 μm pitch pixellated detector, well within the required specification for the HEXITEC ASIC tolerance of 50 pA per channel and comparable with the performance of detectors fabricated directly by Redlen Technologies [41]. The back-to-back blocking I-V response of all five detectors was characteristic of a metal-semiconductor-metal system with two Schottky barriers.…”
Section: Effects Of Gold Chloride Solution Temperaturementioning
confidence: 54%
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“…. This would be equivalent to 3.2 to 34.4 pA per pixel for a 250 μm pitch pixellated detector, well within the required specification for the HEXITEC ASIC tolerance of 50 pA per channel and comparable with the performance of detectors fabricated directly by Redlen Technologies [41]. The back-to-back blocking I-V response of all five detectors was characteristic of a metal-semiconductor-metal system with two Schottky barriers.…”
Section: Effects Of Gold Chloride Solution Temperaturementioning
confidence: 54%
“…The precipitation of CdCl 2 within the interface occurs during electroless deposition as the concentration of Cd 2+ and Cl − reach supersaturation levels within the solution. Chloride species have previously been observed in the interface following electroless deposition [50][51][52][53] and PCA analysis of XPS measurements [41] have confirmed that the depth distribution of metal chloride correlates with that of a compound of cadmium other than CdZnTe.…”
Section: Role Of Subsurface Voidsmentioning
confidence: 58%
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“…CdZnTe crystals prepared by an improved Bridgman method [10] were cut along the (111) In this study, surface morphology and sectional interface of electrode were observed by AFM (AP-1090) and SEM (KYKY-AMRAY 1000B), respectively. The barrier height of composite electrode contact was calculated from the I−V curve (tested by a KEITHLEY 4200).…”
Section: Methodsmentioning
confidence: 99%