Sm4As3 — Properties & Data | MatWorld

Sm4As3

ceramic

· JVASP-141345· Sm4As3

Sm₄As₃ is a rare-earth arsenide ceramic compound belonging to the family of lanthanide pnictides, which exhibit unique electronic and thermal properties due to their mixed-valence rare-earth chemistry. This material remains primarily in the research phase, studied for potential applications in thermoelectric devices and high-temperature semiconducting applications where its rare-earth arsenic composition offers tunable band structure and phonon scattering characteristics distinct from conventional semiconductors.

thermoelectric materials (research)high-temperature semiconductorsrare-earth electronicssolid-state physics researchlow-dimensional transport studiesmaterials science exploration

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.789	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.04010	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.314	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.

Sm4As3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental