SiI2 — Properties & Data | MatWorld

SiI2

ceramic

· JVASP-135173· SiI2

Silicon iodide (SiI₂) is an inorganic ceramic compound combining silicon and iodine, belonging to the halide ceramic family. This material is primarily of research and developmental interest rather than established commercial production, with potential applications in optoelectronics, solid-state chemistry, and specialized semiconductor contexts where halide compositions offer unique electronic or photonic properties. Engineers would consider SiI₂ in exploratory projects targeting materials with unusual band structures or chemical reactivity profiles, though maturity and availability remain limited compared to conventional silicate ceramics or binary semiconductors.

experimental semiconductor researchoptoelectronic device developmenthalide material systemssolid-state chemistry studiesniche photonic applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	3.860	GPa	DFT · OptB88vdW
Shear Modulus(G)	1.290	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.898	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.7000	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	13.50	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.4863	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.2047	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.

SiI2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental