Hf2 Si2 Se2

semiconductor

· Hf2 Si2 Se2

Hf₂Si₂Se₂ is a layered ternary semiconductor compound combining hafnium, silicon, and selenium in a stoichiometric composition. This material belongs to an emerging class of van der Waals heterostructures and layered semiconductors being explored primarily in research settings for next-generation optoelectronic and electronic devices. The hafnium-silicon-selenium family is investigated as a potential alternative to conventional two-dimensional materials, with interest driven by tunable bandgap engineering, thermal stability, and integration potential in nanoelectronic applications.

experimental semiconductor researchtwo-dimensional materials engineeringoptoelectronic devicesfield-effect transistors (FETs)thermal management applicationsquantum device development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	114.1	GPa	—
Shear Modulus(G)	78.59	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00520	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9930	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.

Hf2 Si2 Se2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control