Tb2SeO2 — Properties & Data | MatWorld

Tb2SeO2

ceramic

· JVASP-50107· Tb2SeO2

Tb2SeO2 is an oxychalcogenide ceramic compound combining terbium, selenium, and oxygen—a rare-earth hybrid material that represents an emerging class of functional ceramics still primarily in research and development stages. While industrial production and deployment remain limited, oxychalcogenide ceramics like this are investigated for their potential in optoelectronic devices, thermal management systems, and solid-state applications where the coupling of rare-earth electronic properties with chalcogenide chemistry offers tunable optical and thermal characteristics. Engineers evaluating this material should treat it as a research-phase compound; its adoption would be driven by specific performance requirements in specialty electronics or photonic applications where conventional oxide or sulfide ceramics prove inadequate.

optoelectronic researchrare-earth functional ceramicsthermal management (research phase)photonic devices (experimental)solid-state chemistrymaterials science development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	17,111.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	9,492.7	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2918	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.347	eV	DFT · OptB88vdW
↳	3.655	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	14.55	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.831	-	DFT · OptB88vdW
↳	4.773	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.6533	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.787	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00165	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00219	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-198.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	262.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.7000	%	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.

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)	-3.313	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.

Tb2SeO2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental