TaTlO3

semiconductor

· TaTlO3

TaTlO3 is a mixed-metal oxide semiconductor compound combining tantalum and thallium—a rare composition that remains primarily in research and development rather than established production. This material belongs to the complex oxide family and is investigated for potential applications in photonic and electronic devices where its specific electronic band structure and optical properties may offer advantages over more conventional semiconductors. While not yet mature for widespread industrial deployment, tantalum-thallium oxides are of interest to researchers exploring next-generation optoelectronic materials and solid-state physics applications.

photonic devices (research)optoelectronic materials (experimental)semiconductor researchsolid-state physicsnext-generation electronics (exploratory)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	28,576.8	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2600	-	DFT · OptB88vdW
Shear Modulus(G)	16,432.8	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3357	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)4 entries	2.480	eV	DFT · PBE
↳	0.000	eV	DFT · GLLB-SC
↳	0.4820	eV	DFT · OptB88vdW
↳	1.029	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	7.882	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.028	-	DFT · OptB88vdW
↳	3.443	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.3033	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.7700	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)3 entries	0.000	μB	DFT
↳	-0.2462	μB	DFT
↳	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000651	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00299	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-95.40	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	394.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.84	%	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.

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)3 entries	-2.274	eV/atom	DFT
↳	1.640	eV/atom	DFT
↳	-2.454	eV/atom	DFT · OptB88vdW

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

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

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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.

TaTlO3 — Properties & Data | MatWorld

TaTlO3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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