Er2Mn2O7 — Properties & Data | MatWorld

Er2Mn2O7

ceramic

· JVASP-55419· Er2Mn2O7

Er₂Mn₂O₇ is a rare-earth oxide ceramic compound belonging to the pyrochlore family, combining erbium and manganese oxides in a structured lattice. This material is primarily of research and development interest for functional ceramics applications, particularly in magnetic and thermal management systems where the rare-earth component provides enhanced electromagnetic properties and the mixed-valence manganese contributes to unique electronic behavior. Its appeal lies in potential use environments requiring combined magnetic ordering, thermal stability, and chemical inertness that conventional oxides cannot provide.

magnetic ceramics researchhigh-temperature thermal barriersrare-earth functional materialsmagnetoelectric device componentscatalytic support materialssolid-state electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.634	kg/m³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.196	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	153.8	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	1.230	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.440	me	DFT · OptB88vdW · 27°C
Thermoelectric Power Factor(PF)2 entries	0.00144	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000812	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-290.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	348.4	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.854	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.

Er2Mn2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental