CaAl2Se4 — Properties & Data | MatWorld

CaAl2Se4

Name: CaAl2Se4
Brand: MatWorld

metal

· JVASP-13348· CaAl2Se4

CaAl₂Se₄ is a calcium aluminium selenide compound belonging to the chalcogenide semiconductor family. This material is primarily of research interest rather than established commercial use, with potential applications in optoelectronic devices and photovoltaic systems where its semiconductor properties could be exploited. The compound represents an experimental alternative within the broader class of II-IV-VI semiconductors, investigated for specialized optical and electronic applications where selenium-based compounds offer advantages in bandgap engineering and light absorption characteristics.

experimental semiconductorsoptoelectronic researchphotovoltaic materialsinfrared opticsthin-film devicesmaterials science research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1390	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.972	eV	DFT · OptB88vdW
↳	3.794	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.411	-	DFT · OptB88vdW
↳	5.306	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.6967	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.9500	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00200	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00251	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-257.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	292.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.2800	%	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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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.292	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

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CaAl2Se4

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