TaTlPt

metal

· JVASP-40825· TaTlPt

TaTlPt is a ternary precious metal alloy combining tantalum, thallium, and platinum—three elements prized for corrosion resistance and high-temperature stability. This composition is uncommon in conventional engineering and appears to be either a specialized research alloy or a niche functional material; the combination leverages platinum's chemical inertness and tantalum's hardness while incorporating thallium for specific property modifications. Engineers would consider this alloy for extreme corrosion environments, high-temperature applications, or specialized electronic/catalytic uses where the cost and rarity of the constituent elements are justified by performance requirements that conventional alloys cannot meet.

corrosion-resistant coatingshigh-temperature electronicschemical processing equipmentresearch/specialty applicationscatalytic components

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	22,785.4	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	7,414.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.5527	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.070	eV	DFT · OptB88vdW
↳	1.136	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	34.38	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	25.98	-	DFT · OptB88vdW
↳	23.16	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.7700	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.8100	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1132	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00229	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00428	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-265.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	373.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.83	%	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)	0.3508	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.02847	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

Export Control

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.

TaTlPt — Properties & Data | MatWorld

TaTlPt

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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