CaHgO2

ceramic

· CaHgO2

CaHgO2 is an inorganic ceramic compound containing calcium, mercury, and oxygen, representing a specialized mercury oxide-based ceramic material. This compound is primarily of research and experimental interest rather than established industrial production, with potential applications in specialized optics, electronic materials research, or high-density ceramic systems where mercury-containing phases are deliberately engineered. Engineers would consider this material only in niche applications requiring the unique properties that mercury incorporation provides, such as high density or specific electromagnetic characteristics, where conventional ceramics are unsuitable.

experimental ceramic researchhigh-density materialsspecialized optics developmentelectronic materials researchmercury-bearing compoundslaboratory/prototype applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	12,064.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3900	-	DFT · OptB88vdW
Shear Modulus(G)	3,897.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2331	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.303	eV	DFT · OptB88vdW
↳	3.202	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	9.434	-	DFT · OptB88vdW
↳	7.970	-	DFT · PBE
↳	6.045 range 4.236–7.855median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.712	-	DFT · OptB88vdW
↳	3.699	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	1.030	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.040	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00148	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00184	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-213.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	333.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	2.820	%	DFT · TBmBJ

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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.847	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.

CaHgO2 — Properties & Data | MatWorld

CaHgO2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental