Ca4Bi2O — Properties & Data | MatWorld

Ca4Bi2O

ceramic

· Ca4Bi2O

Ca₄Bi₂O is an experimental ceramic compound in the calcium bismuth oxide family, synthesized primarily for research applications rather than established industrial use. This material belongs to a class of mixed-metal oxides of interest for functional ceramic applications, including potential use in electronic, photonic, or thermal management systems where bismuth-containing ceramics offer unique properties. The material remains largely in the research phase, with development focused on understanding its structure-property relationships and identifying viable engineering applications where its specific combination of elements provides advantages over conventional ceramics.

research and developmentadvanced ceramicsfunctional oxidesthermal management (exploratory)electronic materials (potential)experimental compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	48.81	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2300	-	DFT · OptB88vdW
Shear Modulus(G)	32.53	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.335	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.8370	eV	DFT · OptB88vdW
↳	1.198	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	42.22	-	DFT · OptB88vdW
↳	24.84 range 12.26–37.41median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)	8.944	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.68	%	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)	-1.673	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

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.

Ca4Bi2O

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental