LIGHT INDUCED TELLURIUM ENRICHMENT ON CDZNTE CRYSTALSURFACES DETECTED BY RAMAN SPECTROSCOPY

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Synthetic CdZnTe or 'CZT' crystals can be grown under controlled conditions to produce high quality crystals to be used as room temperature radiation detectors. Even the best crystal growth methods result in defects, such as tellurium secondary phases, that affect the crystal's performance. In this study, CZT crystals were analyzed by micro Raman spectroscopy. The growth of Te rich areas on the surface was induced by low powered lasers. The growth was observed versus time with low power Raman scattering and was observed immediately under higher power conditions. The detector response was also measured after induced Te enrichment.

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Hawkins, S; Eliel Villa-Aleman, E; Martine Duff, M & Douglas02 Hunter, D October 29, 2007.

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Synthetic CdZnTe or 'CZT' crystals can be grown under controlled conditions to produce high quality crystals to be used as room temperature radiation detectors. Even the best crystal growth methods result in defects, such as tellurium secondary phases, that affect the crystal's performance. In this study, CZT crystals were analyzed by micro Raman spectroscopy. The growth of Te rich areas on the surface was induced by low powered lasers. The growth was observed versus time with low power Raman scattering and was observed immediately under higher power conditions. The detector response was also measured after induced Te enrichment.

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  • Journal Name: Journal of Electronic Materials

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  • Report No.: WSRC-STI-2007-00614
  • Grant Number: DE-AC09-96SR18500
  • Office of Scientific & Technical Information Report Number: 920377
  • Archival Resource Key: ark:/67531/metadc900215

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  • October 29, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 2, 2016, 12:56 p.m.

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Hawkins, S; Eliel Villa-Aleman, E; Martine Duff, M & Douglas02 Hunter, D. LIGHT INDUCED TELLURIUM ENRICHMENT ON CDZNTE CRYSTALSURFACES DETECTED BY RAMAN SPECTROSCOPY, article, October 29, 2007; [Aiken, South Carolina]. (digital.library.unt.edu/ark:/67531/metadc900215/: accessed August 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.