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716707

Sigma-Aldrich

Cadmium zinc telluride

99.9999% trace metals basis

Synonym(s):

CZT

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About This Item

Empirical Formula (Hill Notation):
Cd0.9Zn0.1Te
Molecular Weight:
235.31
UNSPSC Code:
26111700
PubChem Substance ID:
329763422
NACRES:
NA.23

assay

99.9999% trace metals basis

form

crystals

mp

1100-1150 °C

SMILES string

[Zn]=[Te].[Cd]=[Te]

InChI

1S/Cd.2Te.Zn

InChI key

KHJSUZZLLOGDFZ-UHFFFAOYSA-N

General description

Cadmium zinc telluride (Cd1-xZnxTe or CZT) can detect nuclear radiation hence, CZT with Zn concentrations between 0.1-0.2 may be used in the making of radiation detectors of X-ray and gamma-ray spectrometers.[1][2][3][4]

Application

A direct bandgap semiconductor, it is used in a variety of applications, including radiation detectors, photorefractive gratings, electro-optic modulators, solar cells, and terahertz generation and detection. The band gap varies from approximately 1.4 to 2.2 eV, depending on composition.

pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKBC6437

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SemiSPECT: a small-animal single-photon emission computed tomography (SPECT) imager based on eight cadmium zinc telluride (CZT) detector arrays.
Kim H, et al.
Medical Physics, 33(2), 465-474 (2006)
Characterization of large cadmium zinc telluride crystals grown by traveling heater method.
Chen H, et al.
Journal of Applied Physics, 103(1) (2008)
Waseem Chaudhry et al.
Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology, 24(3), 809-820 (2015-11-15)
A stress-first myocardial perfusion imaging (MPI) protocol saves time, is cost effective, and decreases radiation exposure. A limitation of this protocol is the requirement for physician review of the stress images to determine the need for rest images. This hurdle
Amir Pourmoghaddas et al.
Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology, 22(2), 334-343 (2014-10-25)
Correction for photon attenuation and scatter improves image quality with conventional NaI-based gamma cameras but evaluation of these corrections for novel solid-state dedicated cardiac cameras is limited. In this study, we assess the accuracy of dual-energy-window (DEW) scatter correction (SC)
Bastien Gregoire et al.
Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology, 24(2), 672-682 (2016-03-05)
Considering the distinctive characteristics of CZT detectors, automatic quantification of ischemia using normal limits included with software package may deliver suboptimal results for CAD detection. The present study aims to evaluate the benefits of creating normal limits specific to a
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