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

doi:10.1557/opl.2011.1272

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 proceeding › Conference contribution

3 Citations (Scopus)

Abstract

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 language	English
Title of host publication	Nuclear Radiation Detection Materials - 2011
Pages	45-49
Number of pages	5
DOIs	https://doi.org/10.1557/opl.2011.1272
Publication status	Published - 2012
Externally published	Yes
Event	2011 MRS Spring Meeting - San Francisco, CA, United States Duration: 2011 Apr 25 → 2011 Apr 29

Publication series

Name	Materials Research Society Symposium Proceedings
Volume	1341
ISSN (Print)	0272-9172

Conference

Conference	2011 MRS Spring Meeting
Country	United States
City	San Francisco, CA
Period	11/4/25 → 11/4/29

ASJC Scopus subject areas

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

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Improvement of CdMnTe detector performance by MnTe purification. / Kim, K. H.; Bolotnikov, A. E.; Camarda, G. S.; Tappero, R.; Hossain, A.; Cui, Y.; Yang, G.; Gul, R.; James, R. B.

Nuclear Radiation Detection Materials - 2011. 2012. p. 45-49 (Materials Research Society Symposium Proceedings; Vol. 1341).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kim, KH, Bolotnikov, AE, Camarda, GS, Tappero, R, Hossain, A, Cui, Y, Yang, G, Gul, R & James, RB 2012, Improvement of CdMnTe detector performance by MnTe purification. in Nuclear Radiation Detection Materials - 2011. Materials Research Society Symposium Proceedings, vol. 1341, pp. 45-49, 2011 MRS Spring Meeting, San Francisco, CA, United States, 11/4/25. https://doi.org/10.1557/opl.2011.1272

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abstract = "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.",

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AU - Bolotnikov, A. E.

AU - Camarda, G. S.

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AU - Cui, Y.

AU - Yang, G.

AU - Gul, R.

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AB - 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.

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