KErO3 — Properties & Data | MatWorld

KErO3

ceramic

· KErO3

KErO₃ is a potassium erbium oxide ceramic compound, a rare-earth oxide ceramic belonging to the family of perovskite or related crystal structures. This is a specialty research ceramic with limited commercial production, primarily explored for its potential in high-temperature applications, optical devices, and advanced ceramics research where erbium's unique electronic and luminescent properties are advantageous. Engineers would consider KErO₃ for niche applications requiring thermal stability, radiation resistance, or specific optical characteristics where the cost and scarcity of rare-earth ceramics can be justified by performance demands.

high-temperature structural ceramicsoptical and photonic materials researchradiation-resistant compositesrare-earth ceramics developmentadvanced refractory applicationsexperimental/specialty applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	74.40	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3300	-	DFT · OptB88vdW
Shear Modulus(G)	38.94	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.928	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
↳	0.000	eV	DFT · PBE
Magnetic Moment(μB)2 entries	0.4000	μB	DFT
↳	2.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000549	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000580	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-7.140	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-7.350	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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.3853	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-2.169	eV/atom	DFT
↳	-2.136	eV/atom	DFT · OptB88vdW

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

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.

KErO3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental