Yb2K2O3

ceramic

· JVASP-50673· Yb2K2O3

Yb₂K₂O₃ is a rare-earth potassium ytterbium oxide ceramic compound, representing a mixed-metal oxide system that combines ytterbium (a lanthanide) with alkali metal constituents. This material exists primarily in research and development contexts, investigated for potential applications requiring the thermal and chemical stability properties characteristic of rare-earth ceramics. The combination of ytterbium and potassium oxides suggests interest in high-temperature applications, optical materials, or solid-state chemistry where lanthanide-containing phases offer unique electronic or ionic conductivity properties.

high-temperature ceramics (research)rare-earth oxide systemssolid-state chemistryionic conductors (exploratory)advanced ceramics development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2160	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.554	eV	DFT · OptB88vdW
↳	5.370	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.312	-	DFT · OptB88vdW
↳	2.492	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00104	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000531	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-136.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	418.9	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)	0.1357	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.468	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.

Yb2K2O3 — Properties & Data | MatWorld

Yb2K2O3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental