GaCuI4 — Properties & Data | MatWorld

GaCuI4

metal

· GaCuI4

GaCuI₄ is an intermetallic compound combining gallium, copper, and iodine, representing a specialized quaternary metal system with potential applications in semiconductor and optoelectronic device research. This material falls within the experimental research domain rather than established commercial use; compounds in this family are investigated for their electronic and thermal properties in solid-state applications where traditional semiconductors or metallic alloys may be insufficient. The specific combination of these elements suggests potential utility in devices requiring controlled electrical conductivity, thermal management, or photonic interactions, though practical deployment remains limited to specialized research and development contexts.

semiconductor researchthermoelectric devicesoptoelectronic componentsexperimental intermetallicssolid-state physicsthermal interface materials

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	4.618	GPa	DFT
↳	15.11	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	4.513	GPa	DFT
↳	9.990	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.

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Property	Value	Unit	Conditions	Source
Density(ρ)	4.951	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.517	eV	DFT · OptB88vdW
↳	2.080	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	8.069	-	DFT · OptB88vdW
↳	6.089 range 5.401–6.776median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.037	-	DFT · OptB88vdW
↳	4.728	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.050	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.577	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.2743	C/m²	DFT · OptB88vdW
↳	0.02039	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00176	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00113	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-270.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	376.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	21.26	%	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)	-0.3928	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.

GaCuI4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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