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    This article has been cited by the following publications. This list is generated based on data provided by CrossRef.

    Chaudhuri, Sandeep K. Nguyen, Khai Pak, Rahmi O. Matei, Liviu Buliga, Vladimir Groza, Michael Burger, Arnold and Mandal, Krishna C. 2014. Large Area <formula formulatype="inline"><tex Notation="TeX">${\rm Cd}_{0.9}{\rm Zn}_{0.1}{\rm Te}$</tex></formula> Pixelated Detector: Fabrication and Characterization. IEEE Transactions on Nuclear Science, Vol. 61, Issue. 2, p. 793.


    Chaudhuri, Sandeep K. Zavalla, Kelvin J. Krishna, Ramesh M. and Mandal, Krishna C. 2013. Biparametric analyses of charge trapping in Cd0.9Zn0.1Te based virtual Frisch grid detectors. Journal of Applied Physics, Vol. 113, Issue. 7, p. 074504.


    Chaudhuri, Sandeep K. Krishna, Ramesh M. Zavalla, Kelvin J. Matei, Liviu Buliga, Vladimir Groza, Michael Burger, Arnold and Mandal, Krishna C. 2013. Cd<formula formulatype="inline"><tex Notation="TeX">$_{0.9}$</tex> </formula>Zn<formula formulatype="inline"><tex Notation="TeX">$_{0.1}$</tex> </formula>Te Crystal Growth and Fabrication of Large Volume Single-Polarity Charge Sensing Gamma Detectors. IEEE Transactions on Nuclear Science, Vol. 60, Issue. 4, p. 2853.


    Krishna, Ramesh M. Muzykov, Peter G. and Mandal, Krishna C. 2013. Electron beam induced current imaging of dislocations in Cd0.9Zn0.1Te crystal. Journal of Physics and Chemistry of Solids, Vol. 74, Issue. 1, p. 170.


    Krishna, R.M. Chaudhuri, S.K. Zavalla, K.J. and Mandal, K.C. 2013. Characterization of Cd0.9Zn0.1Te based virtual Frisch grid detectors for high energy gamma ray detection. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 701, p. 208.


    2013. 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC). p. 1.

    Chaudhuri, Sandeep K. Krishna, Ramesh M. Zavalla, Kelvin J. Matei, Liviu Buliga, Vladimir Groza, Michael Burger, Arnold and Mandal, Krishna C. 2012. 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC). p. 4266.

    Mandal, Krishna C. Krishna, Ramesh M. Muzykov, Peter G. and Hayes, Timothy C. 2012. Fabrication and Characterization of <formula formulatype="inline"> <tex Notation="TeX">${\rm Cd}_{0.9}{\rm Zn}_{0.1}{\rm Te}$</tex></formula> Schottky Diodes for High Resolution Nuclear Radiation Detectors. IEEE Transactions on Nuclear Science, Vol. 59, Issue. 4, p. 1504.


    Mandal, Krishna C. Muzykov, Peter G. Krishna, Ramesh M. and Hayes, Timothy C. 2011. 2011 IEEE Nuclear Science Symposium Conference Record. p. 4578.

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  • MRS Proceedings, Volume 1341
  • January 2011, mrss11-1341-u02-03

Low Temperature Crystal Growth and Characterization of Cd0.9Zn0.1Te for Radiation Detection Applications

  • Ramesh M. Krishna (a1), Timothy C. Hayes (a1), Peter G. Muzykov (a1) and Krishna C. Mandal (a1)
  • DOI: http://dx.doi.org/10.1557/opl.2011.1479
  • Published online: 12 October 2011
Abstract
ABSTRACT

Cd0.9Zn0.1Te (CZT) detector grade crystals were grown from zone refined Cd, Zn, and Te (7N) precursor materials, using the tellurium solvent method. These crystals were grown using a high temperature vertical furnace designed and installed in our laboratory. The furnace is capable of growing up to 8” diameter crystals, and custom pulling and ampoule rotation functions using custom electronics were furnished for this setup. CZT crystals were grown using excess Te as a solvent with growth temperatures lower than the melting temperatures of CZT (1092°C). Tellurium inclusions were characterized through IR transmittance maps for the grown CZT ingots. The crystals from the grown ingots were processed and characterized using I-V measurements for electrical resistivity, thermally stimulated current (TSC), and electron beam induced current (EBIC). Pulse height spectra (PHS) measurements were carried out using a 241Am (59.6 keV) radiation source, and an energy resolution of ~4.2% FWHM was obtained. Our investigation demonstrates high quality detector grade CZT crystals growth using this low temperature solvent method.

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1.S. U. Egarievwea , K. T. Chena , A. Burger , R. B. James & C. M. Lissec , Detection and Electrical Properties of CdZnTe Detectors at Elevated Temperatures. J. X-ray Sci. and Tech. 6, 309315 (1996).

2.K. Chattopadhyaya , S. Fetha , H. Chena , A. B . & C.-H. Sub , Characterization of semi-insulating CdTe crystals grown by horizontal seeded physical vapor transport. Journal of Crystal Growth 191, 377385 (1998).

3.K. C. Mandal , P. G. Muzykov , R. Krishna , T. Hayes & T. S. Sudarshan , Thermally stimulated current and high temperature resistivity measurements of 4H semi-insulating silicon carbide. Solid State Communications 151, 532535 (2011).

4.P. G. Muzykov , R. Krishna , S. Das , T. Hayes & T. S. Sudarshan , Characterization of 4H semi-insulating silicon carbide single crystals using electron beam induced current. Materials Letters 65, 911914 (2011).

5.N. Krsmanovic , K. G. Lynn , M. H. Weber , R. Tjossem & T. Gessmann , Electrical compensation in CdTe and CdZnTe by intrinsic defects. Phys. Rev. B 62, R16279R16282 (2000).

7.S. Maximenko , S. Soloviev , D. Cherednichenko & T. Sudarshan , Electron-beam-induced current observed for dislocations in diffused 4H-SiC P–N diodes. Appl. Phys. Lett. 84, 1576 (2004).

8.A. Kargar , A. M. Jones , W. J. McNeil , M. J. Harrison & D. S. McGregor , CdZnTe Frisch collar detectors for gamma-ray spectroscopy. Nuclear Instruments and Methods in Physics Research A 558, 497503 (2006).

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