Ba2Ge

Name: Ba2Ge
Brand: MatWorld

ceramic

· JVASP-11154· Ba2Ge

Ba2Ge is an intermetallic ceramic compound composed of barium and germanium, belonging to the class of Zintl phases—a family of compounds with mixed ionic-covalent bonding that exhibit semiconductor or semimetal characteristics. This material is primarily of research and developmental interest rather than established in high-volume industrial production. Ba2Ge and related barium-germanium phases are investigated for potential applications in thermoelectric devices, optoelectronics, and solid-state energy conversion due to their electronic structure; the material family offers promise as an alternative to conventional semiconductors in specialized thermal management and power generation contexts where layered or complex crystal structures provide advantages.

thermoelectric materials (R&D)semiconductor researchsolid-state energy conversionoptoelectronic devices (experimental)high-temperature electronic applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1795	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.04600	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	28.12	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000550	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000912	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-101.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	141.7	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)	-0.5801	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.

Ba2Ge — Properties & Data | MatWorld

Ba2Ge

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental