Nb2Hg2O7 — Properties & Data | MatWorld

Nb2Hg2O7

ceramic

· JVASP-49171· Nb2Hg2O7

Nb₂Hg₂O₇ is a mixed-metal oxide ceramic compound containing niobium and mercury. This is a research-phase material within the pyrochlore or related oxide family, primarily of interest in solid-state chemistry and materials science studies rather than established industrial production. The compound represents exploratory work on heavy-metal oxide ceramics that may have potential applications in specialized electronic, optical, or structural contexts, though practical engineering adoption remains limited pending further characterization and demonstration of reproducible synthesis and performance benefits.

experimental ceramics researchsolid-state chemistry studiesmercury-containing oxidesmixed-valence oxide systemslaboratory materials developmenthigh-density ceramic compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.719	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.4430	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	8.714	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.1400	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.3300	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000418	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00182	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-69.20	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	476.1	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)	-1.834	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.

Nb2Hg2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental