Ga2HgTe4 — Properties & Data | MatWorld

Ga2HgTe4

ceramic

· Ga2HgTe4

Ga₂HgTe₄ is a ternary semiconductor ceramic compound combining gallium, mercury, and tellurium—a member of the II-VI semiconductor family with potential applications in infrared optics and detection systems. This material remains primarily in research and development phases, valued for its wide bandgap and optical properties that position it as a candidate for thermal imaging, infrared sensing, and potentially high-energy radiation detection where conventional semiconductors reach performance limits. Engineers consider this compound family when designing systems operating in the infrared spectrum or requiring materials with unique electronic band structures distinct from more mature commercial alternatives.

infrared detectorsthermal imaging sensorsradiation detectionwide-bandgap semiconductorsresearch optoelectronicsspecialized optical windows

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	24.14	GPa	DFT
Shear Modulus(G)	15.33	GPa	DFT

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.145	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	0.5960	eV	DFT · OptB88vdW
↳	1.514	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	19.22	-	DFT · OptB88vdW
↳	16.56	-	DFT · PBE
↳	15.23 range 13.44–17.01median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	14.15	-	DFT · OptB88vdW
↳	9.059	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.1500	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.4633	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.5739	C/m²	DFT · OptB88vdW
↳	0.04371	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00152	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00226	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-109	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	245.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.18	%	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.

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)	-0.2285	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.

Ga2HgTe4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental