AuI — Properties & Data | MatWorld

AuI

Name: AuI
Brand: MatWorld

metal

· AuI

AuI is an intermetallic compound combining gold and iodine, representing a rare metal-halide material family with potential applications in advanced materials research. This compound has been primarily studied in laboratory settings for its unique structural and electronic properties, particularly for semiconductor and optoelectronic device research where gold's nobility and iodine's reactivity offer distinct advantages. Engineers and researchers investigating novel functional materials, perovskite-adjacent compounds, or specialized electronic applications may evaluate AuI for prototyping, though it remains a niche research material rather than a mainstream industrial standard.

semiconductor researchoptoelectronic devicesperovskite materials developmentthin-film coating studiesadvanced electronics prototypingmaterials characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	2,338	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	88.81	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)	979	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2963	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	1.404	eV	DFT · OptB88vdW
↳	2.121	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	8.488	-	DFT · OptB88vdW
↳	5.090	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.933	-	DFT · OptB88vdW
↳	6.288	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.5400	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.043	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00315	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00171	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-239.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	196.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	20.37	%	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.02297	eV/atom	DFT · OptB88vdW
↳	0.00674	eV/atom	Measured

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

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

Export Control

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.

AuI

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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