Nd4 S4 Br4

semiconductor

· Nd4 S4 Br4

Nd₄S₄Br₄ is a rare-earth metal halide semiconductor compound combining neodymium with sulfur and bromine anions. This is a research-stage material studied primarily in solid-state physics and materials science for its semiconducting properties and potential optoelectronic characteristics inherent to rare-earth chalcogenide-halide systems. The compound represents an experimental exploration of ternary rare-earth materials for next-generation electronic and photonic applications where the mixed anion chemistry may enable tunable band gaps and novel transport properties.

Experimental semiconductor researchRare-earth optoelectronicsSolid-state physicsBand-gap engineeringThin-film device prototypingPhotonic materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	45.40	GPa	—
Shear Modulus(G)	22.08	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.573	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.135	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 S4 Br4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control