Sr3Ge2As4

ceramic

· JVASP-22925· Sr3Ge2As4

Sr₃Ge₂As₄ is an inorganic ceramic compound belonging to the family of strontium-based germanium arsenides, primarily investigated as a research material for semiconductor and photonic applications. This compound exists largely in the academic and experimental domain, where it is studied for potential use in optoelectronic devices, infrared sensing, and solid-state physics research due to the electronic properties imparted by its mixed-anion structure. Engineers considering this material should recognize it as an emerging compound rather than a production ceramic, relevant mainly to R&D programs exploring advanced semiconductors and functional ceramics with specific band-gap or nonlinear optical characteristics.

experimental semiconductorsinfrared optics researchsolid-state device developmentphotonic material studiesadvanced ceramics R&D

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1699	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.7690	eV	DFT · OptB88vdW
Electron Effective Mass(m*e)	1.940	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.7867	me	DFT · OptB88vdW · 27°C
Thermoelectric Power Factor(PF)2 entries	0.00212	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000989	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-275.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	195.1	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)	-0.8620	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

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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.

Sr3Ge2As4 — Properties & Data | MatWorld

Sr3Ge2As4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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Quality & Standards