KGaH4

ceramic

· JVASP-52890· KGaH4

KGaH₄ is a potassium gallium hydride ceramic compound, representing a relatively uncommon material in the hydride ceramic family. This material is primarily of research interest rather than established industrial use, with potential applications in hydrogen storage, advanced ceramics, and semiconductor-related fields where gallium compounds are studied for novel properties.

hydrogen storage researchadvanced ceramics developmentgallium compound studiesexperimental materialsmaterials science researchsemiconductor precursors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.07677	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	5.097	eV	DFT · OptB88vdW
↳	7.110	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.072	-	DFT · OptB88vdW
↳	2.305	-	DFT · TBmBJ
Electron Effective Mass(m*e)	2.310	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.033	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00155	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00143	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-335.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	359.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2269	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.

KGaH4 — Properties & Data | MatWorld

KGaH4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental