Al2HgS4 — Properties & Data | MatWorld

Al2HgS4

Name: Al2HgS4
Brand: MatWorld

metal

· Al2HgS4

Al2HgS4 is an intermetallic compound combining aluminum, mercury, and sulfur—a ternary metal chalcogenide that bridges metallurgic and semiconductor chemistry. This material is primarily of research interest rather than established in high-volume production; it represents exploration into mercury-containing metal sulfides for specialized applications where the combined properties of its constituent elements may offer unique electronic or structural behavior.

experimental semiconductorsmercury-sulfide research compoundssolid-state electronics (research phase)specialized optical materials (potential)materials science investigationphase diagram exploration

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	37.90	GPa	DFT
↳	42.79	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	21.46	GPa	DFT
↳	24.27	GPa	DFT · OptB88vdW

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
Density(ρ)	3.980	kg/m³	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	2.075	eV	DFT · OptB88vdW
↳	3.031	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	11.06	-	DFT · OptB88vdW
↳	8.038 range 5.991–10.08median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.394	-	DFT · OptB88vdW
↳	5.057	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.5739	C/m²	DFT · OptB88vdW
↳	0.1727	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.000556	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000887	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-84.79	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	427.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	4.310	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.9085	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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Environmental

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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.

Al2HgS4

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