Hf2 Ge2 Se2

semiconductor

· Hf2 Ge2 Se2

Hf2Ge2Se2 is a layered semiconductor compound combining hafnium, germanium, and selenium in a stoichiometric ratio. This material belongs to the family of transition metal chalcogenides and represents an emerging research compound being explored for next-generation optoelectronic and photonic devices where the combination of elements offers tunable bandgap and layered crystal structure properties.

Optoelectronic devicesPhotonic integrated circuitsResearch semiconductorsThin-film electronicsNonlinear optical applicationsNext-generation computing substrates

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	112.6	GPa	—
Shear Modulus(G)	73.31	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00280	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9590	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 Ge2 Se2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control