SmAg2Sn

metal
· JVASP-42009· SmAg2Sn

SmAg2Sn is a ternary intermetallic compound composed of samarium, silver, and tin, belonging to the rare-earth metal alloy family. This material is primarily of research interest for advanced solder applications and electronic packaging, where its combination of rare-earth and precious-metal constituents offers potential for high-reliability interconnects with improved thermal and mechanical performance compared to conventional lead-free solders. SmAg2Sn represents an experimental material system rather than a widely commercialized alloy, and its development is driven by the microelectronics industry's search for next-generation joining materials that can withstand demanding thermal cycling and miniaturization requirements.

advanced solder alloyselectronic packaging interconnectshigh-reliability solder jointsthermal cycling applicationsrare-earth metallurgy researchlead-free joining materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
0.3272
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
0.000
µB—
Seebeck Coefficient(S)
-5.020
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom—
Formation Energy(ΔHf)
-0.3976
eV/atom—
Verified Unverified Low confidence (<80%) Link to source

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.