Tb2Mn2O7 — Properties & Data | MatWorld

Tb2Mn2O7

ceramic

· JVASP-46291· Tb2Mn2O7

Tb2Mn2O7 is a rare-earth manganese oxide ceramic belonging to the pyrochlore family, where terbium and manganese cations are arranged in a complex cubic lattice with oxygen anions. This material is primarily investigated in research contexts for functional ceramic applications, particularly as a candidate for magnetic, magnetocaloric, and thermal management systems where rare-earth compounds offer unique electronic and spin-dependent properties that conventional oxides cannot match.

magnetic refrigeration systemsmagnetocaloric materials researchhigh-temperature thermal managementrare-earth oxide ceramicsspintronics and magnetic devicesadvanced ceramics development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.201	kg/m³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.047	eV	DFT · OptB88vdW
Electron Effective Mass(m*e)	1.210	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.580	me	DFT · OptB88vdW · 27°C
Thermoelectric Power Factor(PF)2 entries	0.00117	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000887	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-241.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	354.8	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)	-2.816	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.

Tb2Mn2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental