TmTaOs2 — Properties & Data | MatWorld

TmTaOs2

ceramic

· JVASP-41446· TmTaOs2

TmTaOs2 is a rare-earth transition metal oxide ceramic composed of thulium, tantalum, and osmium. This is an experimental research compound rather than a commercially established material; it belongs to the family of high-density refractory oxides that are being investigated for extreme-environment applications where conventional ceramics may fail. The thulium and osmium content suggests potential interest in advanced high-temperature, radiation-resistant, or neutron-absorbing applications, though practical deployment remains limited to laboratory and specialized research contexts.

nuclear reactor shieldinghigh-temperature structural componentsradiation-resistant ceramicsadvanced refractory materialsresearch phase materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	220.2	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	99.92	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	17.48	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00206	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00180	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-37.23	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-35.95	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)	-0.4006	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.

TmTaOs2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental