SnBi — Properties & Data | MatWorld

SnBi

ceramic

· JVASP-101118· SnBi

SnBi is an intermetallic ceramic compound composed of tin and bismuth, representing a brittle metallic-ceramic hybrid material. This material is primarily investigated in research contexts for lead-free solder applications and thermoelectric device development, where its thermomechanical properties and environmental compatibility offer advantages over traditional lead-containing alternatives. Engineers would consider SnBi where thermal management, electrical conductivity, and regulatory compliance (RoHS restriction on lead) intersect, though its limited ductility restricts use to non-structural joining applications.

lead-free solder systemsthermoelectric generatorsmicroelectronics interconnectresearch and developmentthermal interface materialsenvironmentally compliant electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	46.04	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	12.73	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	8.585	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	DFT · OptB88vdW

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)	0.03640	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.03639	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.

SnBi

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental