TiFeSe — Properties & Data | MatWorld

TiFeSe

metal

· TiFeSe

TiFeSe is an intermetallic compound combining titanium, iron, and selenium, belonging to the family of ternary transition-metal chalcogenides. This material is primarily of research interest rather than established in commercial production, with potential applications in thermoelectric and energy conversion technologies where the combination of metallic and semiconducting character can be exploited. Engineers would consider TiFeSe-based materials for emerging applications requiring efficient heat-to-electricity conversion or as precursor phases in advanced functional materials, though material maturity and reproducibility remain limiting factors compared to well-established alternatives.

thermoelectric devicesenergy conversion researchsolid-state coolingsemiconductor researchhigh-temperature applicationsexperimental functional materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	22,814.4	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	10,625.5	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2477	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)	1.025	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)2 entries	39.19	-	DFT · OptB88vdW
↳	29.24 range 20.96–37.52median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)	22.49	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.9200	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.330	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.7660	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00274	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00324	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-294.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	390.8	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)	0.1615	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6368	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.

TiFeSe

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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