K2GeI6O18

ceramic

· JVASP-57050· K2GeI6O18

K2GeI6O18 is an inorganic ceramic compound containing potassium, germanium, iodine, and oxygen—a mixed-halide germanate that falls into the category of functional ceramic materials. This is a research-phase compound studied for its potential in optoelectronic and photonic applications, particularly for radiation detection, scintillation, or ion-conduction properties inherent to its crystal structure. While not yet established in mainstream industrial production, germanium-based halide ceramics are being investigated as alternatives to conventional scintillators and solid-state electrolytes due to their tunable electronic properties and potential for high-density radiation interaction.

radiation detection & scintillationresearch optoelectronicssolid-state ion conductorshigh-density ceramic compositesexperimental photonic materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1776	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	3.083	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	5.052	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000809	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000276	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-229.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	423.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	-0.7929	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.

K2GeI6O18 — Properties & Data | MatWorld

K2GeI6O18

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental