Rb4 Ge4 Bi4 S16

semiconductor

· Rb4 Ge4 Bi4 S16

Rb4Ge4Bi4S16 is a quaternary chalcogenide semiconductor compound combining rubidium, germanium, bismuth, and sulfur elements. This is an experimental research material within the sulfide semiconductor family, studied for its potential in optoelectronic and photonic applications where layered chalcogenides offer tunable bandgaps and nonlinear optical properties. While not yet established in mainstream industrial production, compounds in this material class are of interest for next-generation infrared detectors, photovoltaics, and nonlinear optical devices where traditional semiconductors reach performance limits.

infrared optoelectronics (research)photovoltaic absorbers (experimental)nonlinear optical materials (research)solid-state physics studieschalcogenide semiconductor developmentbandgap engineering applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	3,595.3	ksi	—
Shear Modulus(G)	2,223.9	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.772	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7260	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 Ge4 Bi4 S16

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control