Hf4 Sn4 S12

semiconductor

· Hf4 Sn4 S12

Hf₄Sn₄S₁₂ is a quaternary sulfide semiconductor compound combining hafnium, tin, and sulfur in a layered crystal structure. This material belongs to the family of transition metal sulfides and represents an emerging research compound with potential applications in next-generation optoelectronic and thermoelectric devices. As a relatively unexplored ternary/quaternary system, it is primarily studied for its band gap engineering capabilities and layered electronic properties, which could enable novel functionality in solid-state energy conversion or light-emission applications where conventional semiconductors have limitations.

thermoelectric devicesoptoelectronic researchsolid-state energy conversiontwo-dimensional materials researchnext-generation semiconductorsmaterials discovery and band engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.165	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.259	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.

Hf4 Sn4 S12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control