K4I2O — Properties & Data | MatWorld

K4I2O

ceramic

· K4I2O

K4I2O is an iodide-based ceramic compound belonging to the mixed-metal oxide ceramic family. This material represents an experimental or specialized research composition; limited industrial deployment data suggests it may be explored for applications requiring specific ionic or optical properties inherent to iodide ceramics. Engineers considering this material should recognize it as a candidate for niche electrochemical, photonic, or high-temperature applications where iodide chemistry offers advantages over conventional oxide ceramics, though commercial availability and long-term performance data remain restricted to specialized suppliers and research institutions.

experimental ceramicsionic conductorsphotonic materials researchspecialized electrochemical applicationshigh-temperature chemistry environments

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	17.50	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	9.580	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.967	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.386	eV	DFT · OptB88vdW
↳	2.774	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	6.956	-	DFT · OptB88vdW
↳	7.660	-	DFT · PBE
↳	5.147 range 3.058–7.236median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.248	-	DFT · OptB88vdW
↳	2.606	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000634	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00175	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-98.28	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	335.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	7.520	%	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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.482	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.

K4I2O

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental