PrI3

Name: PrI3
Brand: MatWorld

ceramic

· PrI3

Praseodymium triiodide (PrI₃) is an ionic ceramic compound composed of praseodymium and iodine, belonging to the rare-earth halide family of materials. This compound is primarily of research and specialized industrial interest rather than a commodity material, with applications leveraging its optical, electronic, or thermal properties in niche sectors including nuclear fuel cycles, scintillation detector development, and fundamental materials science studies of lanthanide compounds.

rare-earth halide researchscintillation detectorsnuclear materials scienceoptical/photonic materials developmentlanthanide compound studieshigh-temperature ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	1,644.7	ksi	DFT · OptB88vdW
Shear Modulus(G)	584.5	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1573	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	1.577	eV	DFT · OptB88vdW
↳	2.584	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	11.69	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.644	-	DFT · OptB88vdW
↳	4.009	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.203	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.887	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	0.00123	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00140	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-176	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	224.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	11.00	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-1.373	eV/atom	DFT · OptB88vdW
↳	-1.696	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.

PrI3 — Properties & Data | MatWorld

PrI3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental