DyAlO3 — Properties & Data | MatWorld

DyAlO3

ceramic

· DyAlO3

Dysprosium aluminate (DyAlO₃) is a rare-earth ceramic compound belonging to the perovskite oxide family, valued for its high melting point and thermal stability. It is primarily investigated in thermal barrier coating (TBC) systems for advanced gas turbines and aerospace applications, where it can withstand extreme temperatures while protecting underlying superalloy components. DyAlO₃ is noted as a candidate material for next-generation TBC architectures due to its potential for improved phase stability and lower thermal conductivity compared to conventional yttria-stabilized zirconia (YSZ), though it remains largely in the research and development phase for production aerospace engines.

thermal barrier coatingsgas turbine bladesaerospace engine componentshigh-temperature ceramicsrefractory applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	203.7	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	121.9	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.617	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	6.026	eV	DFT · PBE
↳	5.861	eV	DFT · OptB88vdW
↳	7.220	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	5.730	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.098	-	DFT · OptB88vdW
↳	3.424	-	DFT · TBmBJ
Magnetic Moment(μB)2 entries	0.000	μB	DFT
↳	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00105	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000815	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-281.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	401.9	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.

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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-3.588	eV/atom	DFT
↳	-3.633	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.

DyAlO3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental