LuO3 — Properties & Data | MatWorld

LuO3

ceramic

· JVASP-35230· LuO3

Lutetium oxide (Lu₂O₃) is a rare-earth ceramic compound belonging to the sesquioxide family, characterized by high density and significant stiffness. While not widely commercialized in high-volume applications, Lu₂O₃ is studied for specialized aerospace and optical applications where its combination of thermal stability, chemical inertness, and refractory properties offer advantages over conventional ceramics. Its rarity and cost typically limit adoption to niche roles where performance cannot be achieved with more common alternatives.

refractory componentsoptical coatings and phosphorsaerospace thermal barriershigh-temperature structural ceramicsresearch and development materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	137.6	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3900	-	DFT · OptB88vdW
Shear Modulus(G)	45.44	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.265	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	1.529	eV	DFT · OptB88vdW
↳	3.080	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	11.86	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.987	-	DFT · OptB88vdW
↳	2.954	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.130	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.650	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00248	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00121	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-297.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	388.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	3.710	%	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)	0.4853	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.996	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.

LuO3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental