Sm2Mn2O7 — Properties & Data | MatWorld

Sm2Mn2O7

ceramic

· JVASP-46366· Sm2Mn2O7

Sm2Mn2O7 is a rare-earth manganate ceramic compound belonging to the pyrochlore oxide family, composed of samarium and manganese oxides. This material is primarily studied in research contexts for its intriguing magnetic and electronic properties, with potential applications in advanced functional ceramics where magnetic ordering and spin-related phenomena are exploited. Compared to conventional magnetic ceramics, samarium manganates are notable for their tunable magnetic transitions and potential use in magnetocaloric devices and high-temperature magnetic applications, though industrial adoption remains limited pending further development and cost optimization.

magnetic refrigeration systemshigh-temperature magnetic materialsmagnetocaloric devicesfunctional ceramics researchadvanced oxide electronicsspintronics applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	6.728	kg/m³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.9090	eV	DFT · OptB88vdW
Electron Effective Mass(m*e)	1.150	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.620	me	DFT · OptB88vdW · 27°C
Thermoelectric Power Factor(PF)2 entries	0.000997	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000870	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-216.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	353.7	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00910	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.744	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.

Sm2Mn2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental