CaTi2S5 — Properties & Data | MatWorld

CaTi2S5

Name: CaTi2S5
Brand: MatWorld

metal

· JVASP-11286· CaTi2S5

CaTi2S5 is a ternary chalcogenide compound combining calcium, titanium, and sulfur—a class of materials rarely encountered in conventional engineering but of interest in solid-state chemistry and materials research. This compound exists primarily in the academic and experimental domain rather than established industrial production, with potential relevance to emerging technologies in photovoltaics, thermoelectrics, or solid-state ionic conductors where mixed-metal sulfides show promise. Engineers would consider this material only in advanced research contexts exploring novel semiconducting or optoelectronic behavior, rather than for conventional structural or functional applications.

experimental semiconductorsphotovoltaic researchsolid-state materials developmentthermoelectric studieschalcogenide compound research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	42.74	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4900	-	DFT · OptB88vdW
Shear Modulus(G)	16.97	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.663	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	0.8190	eV	DFT · OptB88vdW
↳	0.9390	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	10.52	-	DFT · OptB88vdW
↳	10.22	-	DFT · TBmBJ
Electron Effective Mass(m*e)	2.740	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.147	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000834	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00130	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-147.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	189.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.29	%	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)	0.1470	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.519	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.

CaTi2S5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control