Ba3NbGa3Si2O14 — Properties & Data | MatWorld

Ba3NbGa3Si2O14

Name: Ba3NbGa3Si2O14
Brand: MatWorld

ceramic

· JVASP-49154· Ba3NbGa3Si2O14

Ba3NbGa3Si2O14 is a complex oxide ceramic compound belonging to the langasite family of materials, known for exceptional piezoelectric and electro-optic properties. This material is primarily of research and emerging industrial interest for high-temperature acoustic and frequency control applications, particularly where conventional piezoelectric ceramics (such as lead zirconate titanate) would fail due to thermal constraints or environmental sensitivity. Its langasite-type structure makes it candidates for advanced sensor systems, RF filters, and precision oscillators operating in extreme temperature environments.

high-temperature acoustic sensorsRF and microwave frequency controlpiezoelectric actuators and transducersaerospace instrumentationextreme environment electronicsresearch-phase materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.892	kg/m³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	3.377	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	15.12	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	3.808	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.06357	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00172	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000271	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-256	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	399	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.776	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.

Ba3NbGa3Si2O14

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental