Si2 Te2 Hf2

semiconductor

· Si2 Te2 Hf2

Si₂Te₂Hf₂ is an experimental quaternary semiconductor compound combining silicon, tellurium, and hafnium in a 1:1:1 stoichiometry. This material belongs to the family of transition-metal tellurides and represents an emerging research composition with potential applications in thermoelectric devices and advanced semiconductor engineering where the combination of these elements may offer tunable bandgap, improved thermal stability, or enhanced carrier transport compared to binary or ternary alternatives. Interest in hafnium-containing tellurides is primarily driven by materials research exploring next-generation energy conversion and optoelectronic device platforms.

thermoelectric energy harvestingwide-bandgap semiconductorshigh-temperature electronicsmaterials research & developmentquantum materials exploration

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00840	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6880	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.

Si2 Te2 Hf2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control