Hg2W2O7 — Properties & Data | MatWorld

Hg2W2O7

ceramic

· JVASP-43004· Hg2W2O7

Hg₂W₂O₇ is a mercury-tungsten oxide ceramic compound belonging to the pyrochlore or related oxide family. This material is primarily of research and specialty interest rather than established industrial production, with potential applications in functional ceramics where the unique combination of heavy metal and tungsten oxides may provide distinctive optical, electronic, or catalytic properties. The material's development context typically relates to exploratory work in advanced ceramics, possibly for photocatalytic, sensing, or radiation-shielding applications where the tungsten-mercury combination offers advantages over conventional alternatives.

photocatalytic materials researchadvanced ceramics developmentradiation interaction studiesfunctional oxide compoundsspecialty sensor materialsexperimental optical coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	8.605	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	2.048	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	6.500	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00138	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00126	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-306.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	330.1	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.788	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.

Hg2W2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental