Bi4 Rh6 S4

semiconductor
· Bi4 Rh6 S4

Bi₄Rh₆S₄ is a ternary chalcogenide semiconductor compound combining bismuth, rhodium, and sulfur in a layered crystal structure. This material is primarily of research and developmental interest for thermoelectric and quantum transport applications, representing an underexplored composition in the quaternary metal chalcogenide family that combines heavy-element bismuth with a transition metal (rhodium) for potential band gap engineering and charge carrier tuning. While not yet established in mainstream industrial production, materials in this compositional family are investigated for their potential to exhibit exotic electronic properties, including possible topological surface states or enhanced thermoelectric performance at moderate temperatures.

thermoelectric power generation (research)quantum material studiessolid-state electronics (developmental)high-temperature energy conversion (potential)topological material investigation

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
—
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.