NbI5 — Properties & Data | MatWorld

NbI5

metal

· JVASP-86248· NbI5

Niobium iodide (NbI₅) is a layered transition metal halide compound belonging to the family of two-dimensional materials and van der Waals solids. This material is primarily studied in research contexts for its potential in electronic and optoelectronic applications, particularly as an emerging candidate for semiconductor devices, exfoliated thin films, and next-generation energy storage systems where its layered structure and tunable electronic properties offer advantages over conventional materials.

2D materials researchthin-film semiconductorsenergy storage devicesexfoliated nanosheetscatalytic applicationsquantum electronics research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,412.7	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	178.4	meV/atom	DFT · OptB88vdW
Shear Modulus(G)	-1,818.8	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1876	lb/in³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.6930	eV	DFT · OptB88vdW
↳	0.7640	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	59.58	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	12.96	-	DFT · OptB88vdW
↳	13.76	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	25.69	%	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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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000300	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4488	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

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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.

NbI5

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