Extracting trap parameters from PICTS spectra in cadmium zinc telluride radiation detector material
Conference
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OSTI ID:323834
- Carnegie Mellon Univ., Pittsburgh, PA (United States)
- Sandia National Labs., Livermore, CA (United States)
The authors demonstrate that the regularization method due to Weese can resolve closely-spaced peaks in PICTS spectra for cadmium zinc telluride. They also show that electron and hole traps can be distinguished from each other by the bias dependence of the spectrum when using an excitation source that is primarily infrared but which contains a small component of visible light. Lastly, they show that there are qualitative differences between PICTS spectra taken with infrared excitation and those taken with visible excitation. They attribute the surface-related levels to diffusion into the detector material of gold from electroless deposition of contacts.
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- OSTI ID:
- 323834
- Report Number(s):
- CONF-971201-; TRN: 99:004366
- Resource Relation:
- Conference: 1997 fall meeting of the Materials Research Society, Boston, MA (United States), 1-5 Dec 1997; Other Information: PBD: 1998; Related Information: Is Part Of Semiconductors for room-temperature radiation detector applications 2; James, R.B. [ed.] [Sandia National Labs., Livermore, CA (United States)]; Schlesinger, T.E. [ed.] [Carnegie Mellon Univ., Pittsburgh, PA (United States)]; Siffert, P. [ed.] [Lab. PHASE/CNRS, Strasbourg (France)]; Dusi, W. [ed.] [Inst. TESRE/CNR, Bologna (Italy)]; Squillante, M.R. [ed.] [Radiation Monitoring Devices, Inc., Watertown, MA (United States)]; O`Connell, M. [ed.] [Dept. of Energy, Washington, DC (United States)]; Cuzin, M. [ed.] [LETI/CEA, Grenoble (France)]; PB: 681 p.; Materials Research Society symposium proceedings, Volume 487
- Country of Publication:
- United States
- Language:
- English
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