Te4 W4 Se4

semiconductor

· Te4 W4 Se4

Te₄W₄Se₄ is a quaternary semiconductor compound combining tungsten with tellurium and selenium, representing an emerging material in the layered chalcogenide family. This material is primarily of research interest for applications requiring tunable bandgap semiconductors and potential thermoelectric or optoelectronic functionality, with properties influenced by the mixed chalcogenide composition. Engineers would consider this material for next-generation devices where the combination of tungsten and variable chalcogenide stoichiometry offers advantages in bandgap engineering or phase-change behavior compared to binary semiconductors.

thermoelectric devicesoptoelectronic researchphase-change memoryinfrared detection2D materials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,546.7	ksi	—
Shear Modulus(G)	5,549.1	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.1481	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2410	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.

Te4 W4 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control