Tb2Se3 — Properties & Data | MatWorld

Tb2Se3

ceramic

· JVASP-49228· Tb2Se3

Tb2Se3 is a rare-earth selenide ceramic compound combining terbium with selenium, belonging to the family of lanthanide chalcogenides. This material is primarily of research and specialized interest rather than mainstream industrial use, with potential applications in optoelectronics, thermal management, and solid-state devices where rare-earth ceramics offer unique electronic or photonic properties. Engineers would consider this material when conventional semiconductors or ceramics cannot meet requirements for rare-earth-dependent functionality, though availability, cost, and processing complexity typically limit adoption to high-performance or niche applications.

optoelectronic researchthermal management devicesrare-earth ceramicssolid-state electronicsphotonic materialsexperimental semiconductor applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2694	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.4010	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	10.17	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.3367	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.4867	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000789	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00130	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-109.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	205.9	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.963	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.

Tb2Se3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental