Ca4 Sn4 S12

semiconductor

· Ca4 Sn4 S12

Ca₄Sn₄S₁₂ is a quaternary sulfide semiconductor compound belonging to the family of metal chalcogenides, specifically tin-calcium thiostannates. This material is primarily of research and developmental interest rather than established industrial production, with potential applications in photovoltaic devices, thermoelectric systems, and optoelectronic components where its semiconductor bandgap and crystal structure offer advantages over conventional materials. The compound's notable stiffness characteristics make it relevant for investigating mechanically robust wide-bandgap semiconductors, particularly for high-temperature or harsh-environment applications where traditional semiconductors degrade.

photovoltaic researchthermoelectric devicesoptoelectronic componentswide-bandgap semiconductorshigh-temperature electronicsmaterials science research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	59.33 range 57.97–60.69median of 2 measurements	GPa	—
Shear Modulus(G)	26.87 range 25.59–28.14median of 2 measurements	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.07220	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.168	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.

Ca4 Sn4 S12

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control