BaI2 — Properties & Data | MatWorld

BaI2

Name: BaI2
Brand: MatWorld

ceramic

· BaI2

Barium iodide (BaI₂) is an ionic ceramic compound consisting of barium cations and iodide anions, belonging to the halide ceramics family. While primarily used in laboratory and specialized industrial settings, BaI₂ serves roles in X-ray imaging scintillators, analytical chemistry applications, and emerging optoelectronic research where its iodide composition provides useful optical and radiation-interaction properties. The material remains largely in research and niche industrial domains rather than high-volume structural applications, making it relevant for engineers designing radiation detection systems, spectroscopy equipment, or specialized optical components requiring halide ceramics.

X-ray scintillation detectorsradiation detection systemsanalytical chemistry reagentsoptoelectronic research materialsspecialized optical componentslaboratory instrumentation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	23.63	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3300	-	DFT · OptB88vdW
Shear Modulus(G)	9.600	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.165	kg/m³	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	3.327	eV	DFT · OptB88vdW
↳	4.072	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	13.65	-	DFT · OptB88vdW
↳	17.76	-	DFT · PBE
↳	8.151 range 4.596–11.71median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.650	-	DFT · OptB88vdW
↳	3.350	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.02205	C/m²	DFT · OptB88vdW
↳	0.6677	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.000736	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000758	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-136	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	371.1	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.

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.00120	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-1.900	eV/atom	DFT · OptB88vdW
↳	-2.092	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.

BaI2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental