Comparison of the surfaces and interfaces formed for sputter and electroless deposited gold contacts on CdZnTe
- Submitting institution
-
The University of Surrey
- Unit of assessment
- 12 - Engineering
- Output identifier
- 9002231_3
- Type
- D - Journal article
- DOI
-
10.1016/j.apsusc.2017.08.077
- Title of journal
- Applied Surface Science
- Article number
- -
- First page
- 1257
- Volume
- 427
- Issue
- -
- ISSN
- 0169-4332
- Open access status
- Compliant
- Month of publication
- -
- Year of publication
- 2017
- URL
-
-
- Supplementary information
-
-
- Request cross-referral to
- -
- Output has been delayed by COVID-19
- No
- COVID-19 affected output statement
- -
- Forensic science
- No
- Criminology
- No
- Interdisciplinary
- No
- Number of additional authors
-
-
- Research group(s)
-
-
- Proposed double-weighted
- No
- Reserve for an output with double weighting
- No
- Additional information
- This paper compares the interface structure and electrical performance of (nominally similar) electroless and sputtered gold contacts. Advanced characterisation shows for the first time how electroless deposition degrades the inherent polarity of single crystal CdZnTe, yielding the desired ohmic contact and excellent spectroscopic performance, but sputtered gold does not. Principal component analysis of XPS depth profiles is a novel application of PCA which has since been exploited by other colleagues at Surrey, leading to research funding from Huntsman. This paper has inspired further optimisation of CdZnTe detectors using electroless deposited platinum contacts (DOI:10.1038/s41598-020-70801-9) also now adopted by industry (Redlen Technologies).
- Author contribution statement
- -
- Non-English
- No
- English abstract
- -