AgI — Properties & Data | MatWorld

AgI

semiconductor

· AgI

Silver iodide (AgI) is an inorganic semiconductor compound formed from silver and iodine, belonging to the I–VII binary chalcogenide family. It is primarily used in photographic emulsions, cloud seeding applications, and specialized optical coatings, where its light-sensitive and nucleation properties are leveraged. AgI is notable for its role in infrared optics and as a research compound for photovoltaic and photodetector development, though it faces competition from more stable alternatives in modern optoelectronic applications.

photographic emulsionscloud seeding nucleantsinfrared optical coatingsphotodetector researchsolid-state imagingsemiconductor research

Compliance & Regulations

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

Units:

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Method

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)3 entries	30.43	GPa	DFT · OptB88vdW
↳	26.77 range 25.12–31.71median of 3 measurements	GPa	DFT
↳	31.71	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.02081	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Exfoliation Energy(Eexf)	88.71	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)2 entries	0.4300	-	DFT · OptB88vdW
↳	0.3478	-	DFT · PBE
Shear Modulus(G)3 entries	5.060	GPa	DFT · OptB88vdW
↳	6.673 range 6.113–10.74median of 3 measurements	GPa	DFT
↳	10.74	GPa	DFT · PBE

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
Thermal Conductivity(k)	2.440	W/(m·K)	Measured

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.522	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions	Source
Band Gap(Eg)3 entries	3.020	eV	Measured
↳	1.411	eV	DFT · OptB88vdW
↳	2.725	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	7.353	-	DFT · OptB88vdW
↳	7.160	-	DFT · PBE
↳	7.154 range 5.479–18.11median of 6 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.989	-	DFT · OptB88vdW
↳	4.502	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.2100	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.607	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.09146	C/m²	DFT · PBE
↳	0.3271	C/m²	DFT · OptB88vdW
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.000390	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00150	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-61.45	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	367.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	8.370	%	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	Source
Energy Above Hull(ΔEhull)	0.00350	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.2033	eV/atom	DFT · OptB88vdW
↳	-0.3208	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.