Nd4 Cu4 S8

semiconductor

· Nd4 Cu4 S8

Nd₄Cu₄S₈ is a quaternary semiconductor compound combining rare-earth neodymium with copper and sulfur, belonging to the chalcogenide semiconductor family. This is primarily a research material under investigation for potential applications in thermoelectric devices and advanced photonic materials, where the combination of rare-earth and transition-metal elements offers opportunities for tuning electronic and thermal properties. While not yet established in mainstream industrial production, materials in this chemical family are of interest to researchers exploring next-generation energy conversion and light-manipulation technologies that require semiconductors with specialized band structures.

Thermoelectric energy conversion (research)Photonic semiconductors (development)Rare-earth compound researchAdvanced materials for electronicsChalcogenide semiconductor systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	77.89	GPa	—
Shear Modulus(G)	39.97	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.143	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.509	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.

Nd4 Cu4 S8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control