Improvement of CdMnTe detector performance by MnTe purification

K. H. Kim, A. E. Bolotnikov, G. S. Camarda, R. Tappero, A. Hossain, Y. Cui, G. Yang, R. Gul, R. B. James

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)


Residual impurities in manganese (Mn) are a big obstacle to obtaining high- performance CdMnTe (CMT) X-ray and gamma-ray detectors. Generally, the zone-refining method is an effective way to improve the material's purity. In this work, we purified the MnTe compounds combining the zone-refining method with molten Te that has a very high solubility. We confirmed the improved purity of the material by glow-discharge mass spectrometry (GDMS). We also found that CMT crystals from a multiple refined MnTe source, grown by the vertical Bridgman method, yielded better performing detectors.

Original languageEnglish
Title of host publicationNuclear Radiation Detection Materials - 2011
Number of pages5
Publication statusPublished - 2012
Externally publishedYes
Event2011 MRS Spring Meeting - San Francisco, CA, United States
Duration: 2011 Apr 252011 Apr 29

Publication series

NameMaterials Research Society Symposium Proceedings
ISSN (Print)0272-9172


Conference2011 MRS Spring Meeting
Country/TerritoryUnited States
CitySan Francisco, CA

Bibliographical note

Funding Information:
This work was supported by by the U.S. Department of Energy, Office of Nonproliferation Research and Development, NA-22 and the Defense Threat Reduction Agency.

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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