Tm5Si2Sb2

ceramic

· JVASP-21720· Tm5Si2Sb2

Tm5Si2Sb2 is an intermetallic ceramic compound combining thulium, silicon, and antimony, belonging to the rare-earth silicide family of advanced ceramics. This is a research-phase material primarily investigated for high-temperature structural applications and thermoelectric performance; it is not yet widely deployed in volume production. The material's potential relevance lies in applications requiring thermal stability and electrical properties characteristic of rare-earth intermetallics, though detailed performance comparisons with established alternatives (silicides, borides) would require specific application context.

high-temperature ceramics (research)thermoelectric materials (experimental)rare-earth intermetallicsadvanced structural composites (potential)electronics/semiconductor substrates (exploratory)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3076	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000651	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000671	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-28.53	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-29.58	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)	-0.9031	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.

Tm5Si2Sb2 — Properties & Data | MatWorld

Tm5Si2Sb2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental