Rb4 Sb4 S8

semiconductor

· Rb4 Sb4 S8

Rb₄Sb₄S₈ is a quaternary chalcogenide semiconductor compound combining rubidium, antimony, and sulfur in a layered crystal structure. This is a research-phase material studied for its potential in thermoelectric and solid-state electronic applications, belonging to the broader family of metal chalcogenides that show promise for energy conversion and optoelectronic devices. The material's structural arrangement and electronic properties make it of interest to materials scientists exploring alternatives to conventional semiconductors, though industrial applications remain largely exploratory.

thermoelectric energy conversionsolid-state electronics researchoptoelectronic devicessemiconductor materials developmentthermal management systems (emerging)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	21.19	GPa	—
Shear Modulus(G)	12.17	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.949	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.8340	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.

Rb4 Sb4 S8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control