Sm2Pt2O7

ceramic

· JVASP-50387· Sm2Pt2O7

Sm₂Pt₂O₇ is a rare-earth platinum oxide ceramic belonging to the pyrochlore family, combining samarium and platinum in an oxide lattice structure. This material is primarily investigated in research contexts for high-temperature applications and as a thermal barrier coating candidate, where its chemical stability and refractory properties could offer advantages in extreme oxidizing environments. The incorporation of platinum gives it potential for catalytic or electrochemical applications, though industrial deployment remains limited and the material is typically synthesized for specific experimental programs rather than established production.

high-temperature ceramicsthermal barrier coatingsaerospace researchcatalytic substrateslaboratory synthesis

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3431	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.237	eV	DFT · OptB88vdW
↳	1.368	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.438	-	DFT · OptB88vdW
↳	6.595	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.107	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.753	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00157	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00137	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-268.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	367.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.92	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.164	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.

Sm2Pt2O7 — Properties & Data | MatWorld

Sm2Pt2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental