CdHg2 — Properties & Data | MatWorld

CdHg2

ceramic

· CdHg2

CdHg2 is a compound ceramic material in the cadmium-mercury family, representing an intermetallic or solid-solution phase used primarily in specialized electronic and optoelectronic applications. This material is notable in semiconductor research and detector technology due to its high atomic density and the combined electronic properties of cadmium and mercury, offering tunable bandgap characteristics for infrared sensing and radiation detection. While not as widely deployed as conventional ceramics, CdHg2 is valued in research and niche industrial settings where its unique electrical and optical properties provide advantages over single-element or more conventional alloy alternatives.

infrared detectorsgamma-ray spectroscopysemiconductor researchradiation detectionoptoelectronic deviceshigh-density materials

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	28.21	GPa	DFT
↳	25.10	GPa	DFT · OptB88vdW
↳	28.21	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	4.168	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)2 entries	0.4800	-	DFT · OptB88vdW
↳	0.4133	-	DFT · PBE
Shear Modulus(G)3 entries	5.195	GPa	DFT
↳	2.760	GPa	DFT · OptB88vdW
↳	5.195	GPa	DFT · PBE

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)	11.22	kg/m³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00117	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00114	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-11.02	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-10.98	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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
Energy Above Hull(ΔEhull)	0.1909	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.1876	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.

CdHg2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental