KGeCl3 — Properties & Data | MatWorld

KGeCl3

ceramic

· JVASP-36899· KGeCl3

KGeCl3 is an inorganic halide ceramic compound combining potassium, germanium, and chlorine elements, belonging to the family of perovskite-related or layered halide structures. This material is primarily of research interest rather than established industrial production, studied for potential applications in solid-state ionics, optical materials, or semiconductor applications where halide ceramics offer unique electronic or photonic properties. Engineers would consider this compound in early-stage technology development where the specific combination of germanium and chloride chemistry offers advantages in stability, conductivity, or optical behavior unavailable from more conventional ceramic alternatives.

solid-state electrolytes (research)optical/photonic materials (experimental)halide ceramics developmentsemiconductor precursorsion transport studiesmaterials chemistry research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	15.22	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	9.170	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.463	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	2.528	eV	DFT · OptB88vdW
↳	3.247	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	21.07	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.270	-	DFT · OptB88vdW
↳	3.312	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.4733	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.5233	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1520	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00308	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000791	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-246.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	131.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	2.600	%	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)	0.02740	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.330	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.

KGeCl3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental