CdWO4

ceramic

· CdWO4

Cadmium tungstate (CdWO4) is an inorganic ceramic compound belonging to the tungstate family, characterized by a scheelite crystal structure that imparts notable optical and mechanical properties. It is primarily employed in scintillation detection systems, X-ray and gamma-ray imaging applications, and specialized optoelectronic devices where high density and effective radiation stopping power are advantageous. CdWO4 is valued in nuclear instrumentation and medical imaging for its bright luminescence under radiation exposure, though its cadmium content necessitates careful handling and has driven research into cadmium-free alternatives for some applications.

scintillation detectorsX-ray imaging sensorsgamma-ray spectroscopynuclear instrumentationmedical imaging systemsradiation detection electronics

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	17,154.7	ksi	DFT
↳	18,792.5	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3600	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	5,981.3	ksi	DFT
↳	6,535.4	ksi	DFT · OptB88vdW

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2799	lb/in³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions
Band Gap(Eg)	2.894	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	5.659	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.093	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

CdWO4 — Properties & Data | MatWorld

CdWO4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental