SrI2 — Properties & Data | MatWorld

SrI2

Name: SrI2
Brand: MatWorld

ceramic

· SrI2

Strontium iodide (SrI₂) is an ionic ceramic compound composed of strontium and iodine that exists primarily in research and specialized applications rather than mainstream engineering use. The material is of interest in scintillation detector systems, optical windows, and radiation detection applications where its crystalline structure enables photon conversion or transmission. While SrI₂ is not a high-volume engineering material, it represents an important class of halide ceramics being investigated for next-generation medical imaging, nuclear security, and high-energy physics instrumentation where alternatives like sodium iodide have limitations.

scintillation detectorsradiation detectionoptical windowsmedical imagingnuclear security instrumentsresearch-phase materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	2,932.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	1,141.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1651	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	3.781	eV	DFT · OptB88vdW
↳	4.706	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	5.497 range 3.942–7.051median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.151	-	DFT · OptB88vdW
↳	3.291	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00168	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00116	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-251.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	306.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.00270	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-1.784	eV/atom	DFT · OptB88vdW
↳	-1.940	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

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.

SrI2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental