Method for surface treatment of a cadmium zinc telluride crystal
Patent
·
OSTI ID:678612
A method for treatment of the surface of a CdZnTe (CZT) crystal is disclosed that reduces surface roughness (increases surface planarity) and provides an oxide coating to reduce surface leakage currents and thereby, improve resolution. A two step process is disclosed, etching the surface of a CZT crystal with a solution of lactic acid and bromine in ethylene glycol, following the conventional bromine/methanol etch treatment, and after attachment of electrical contacts, oxidizing the CZT crystal surface. 3 figs.
- Research Organization:
- Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC04-94AL85000
- Assignee:
- SNL; SCA: 360601; PA: EDB-99:085325; SN: 99002124537
- Patent Number(s):
- US 5,933,706/A/
- Application Number:
- PAN: 8-864,133
- OSTI ID:
- 678612
- Resource Relation:
- Other Information: PBD: 3 Aug 1999
- Country of Publication:
- United States
- Language:
- English
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