Ca2Bi2O5

Name: Ca2Bi2O5
Brand: MatWorld

semiconductor

· Ca2Bi2O5

Ca2Bi2O5 is a bismuth-based ceramic oxide semiconductor that belongs to the family of mixed-valence metal oxides with potential photocatalytic and optoelectronic properties. This material remains primarily in the research and development phase, with interest driven by its semiconducting behavior and potential applications in photocatalysis and environmental remediation. Engineers consider this compound when exploring alternatives to conventional photocatalysts in applications requiring bismuth-containing systems or when investigating solid-state materials with mixed cation chemistry for energy conversion.

photocatalytic water treatmentenvironmental remediationoptoelectronic researchbismuth-based semiconductorsvisible-light photocatalysismaterials research and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	11,816.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4200	-	DFT · OptB88vdW
Shear Modulus(G)	3,124.1	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2388	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	3.340	eV	Measured
↳	1.528	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	6.287	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.7200	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.9633	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000793	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000734	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-105.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	182.4	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)	0.1878	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.037	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.

Ca2Bi2O5 — Properties & Data | MatWorld

Ca2Bi2O5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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