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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Park, I.J. Cho, H.S. Hong, W.S. Perez-Mendez, V. Kadyk, J. |
| Copyright Year | 1999 |
| Description | Author affiliation: Div. of Phys., Lawrence Berkeley Lab., CA, USA (Park, I.J.) |
| Abstract | Cesium iodide columnar layers having diameters of /spl ap/3 /spl mu/m, and with a wall spacing of /spl ap/1 /spl mu/m act as secondary electron emitters and can be used for detection of radiation: charged particles, X-rays and gamma rays. With a large enough electric field across the columnar layers, /spl ap/400 /spl mu/m in thickness, gas avalanche gain is evident when placed in a suitable gas, such as P10 or Ar-ethane mixtures. The cesium iodide columns are damaged by ambient moisture. This damage can be prevented by evaporating protecting layers of hydrocarbons, such as anthracene and stilbene or inorganic materials, such as HgI/sub 2/. Columnar layers with 20 nm coatings of HgI/sub 2/ yield more than 30,000 electrons on average when traversed by electrons from a /sup 90/Sr beta source. |
| Starting Page | 96 |
| Ending Page | 100 |
| File Size | 368939 |
| Page Count | 5 |
| File Format | |
| ISBN | 0780350219 |
| ISSN | 10823654 |
| DOI | 10.1109/NSSMIC.1998.774816 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1998-11-08 |
| Publisher Place | Canada |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Moisture Electron guns Gamma ray detection Gamma ray detectors Radiation detectors X-ray detection X-ray detectors Gamma rays Protection Hydrocarbons |
| Content Type | Text |
| Resource Type | Article |
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