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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.

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

Signal Word

Warning

Hazard Statements

H302 + H312 + H332,H410

Hazard Classifications

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

Storage Class Code

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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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
Samia Massalha et al.
Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology, 24(2), 405-409 (2015-10-24)
Pharmacological stress tests using dipyridamole are considered to be safe. However, cases of atrioventricular (AV) block have been reported. We retrospectively analyzed ECG at baseline and during dipyridamole stress tests of 2010 consecutive patients (patients with second or third degree
Dayong Wu et al.
Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology, 26(2), 443-452 (2017-06-18)
The aim of this study was to compare CZT-SPECT (CZT SPECT) to conventional SPECT (C-SPECT) in the assessment of left ventricular myocardial scar, contractile function, and mechanical synchrony in patients with heart failure (HF). Fifty-nine patients with HF who were
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)
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)
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