PmY

ceramic

· JVASP-37889· PmY

PmY is a rare-earth ceramic compound based on promethium oxide, belonging to the family of lanthanide ceramics with potential applications in high-temperature and radiation environments. While promethium compounds are primarily known in research and specialized nuclear contexts rather than mainstream industrial use, this material represents the ceramic family's capability for extreme thermal stability and radiation resistance. Engineers would consider PmY for niche applications requiring materials that maintain structural integrity under intense radiation or heat, though availability and cost typically limit adoption to defense, nuclear, or advanced research programs.

nuclear applicationsradiation shieldinghigh-temperature ceramicsresearch and developmentspecialized defense applicationsextreme environment materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	5,592.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	2,937	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2141	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000619	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000633	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-2.740	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-2.997	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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02250	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.02117	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.

PmY — Properties & Data | MatWorld

PmY

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental