Hg2As3Br

ceramic

· JVASP-12963· Hg2As3Br

Hg2As3Br is a rare halide ceramic compound containing mercury, arsenic, and bromine elements, representing a specialized class of mixed-metal halides with potential optoelectronic properties. This material is primarily of research and exploratory interest rather than established industrial production, belonging to a family of compounds investigated for semiconductor, photonic, or radiation detection applications where the combination of heavy metal elements can provide unique electronic or photon-interaction characteristics. Engineers would consider this material only in advanced research contexts where its specific electronic band structure, optical transparency windows, or radiation sensitivity offer advantages over conventional semiconductors or scintillators.

radiation detection (experimental)photonic research applicationsoptoelectronic devices (developmental)semiconductor researchhalide compound studiesX-ray or gamma-ray sensing (exploratory)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2653	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.040	eV	DFT · OptB88vdW
↳	1.620	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	15.22	-	DFT · OptB88vdW
↳	10.27	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.5567	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.030	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00298	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00266	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-245.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	308.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	30.42	%	DFT · TBmBJ

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)	0.05450	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.04145	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.

Hg2As3Br — Properties & Data | MatWorld

Hg2As3Br

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental