Ni4 As4 S4

semiconductor

· Ni4 As4 S4

Ni₄As₄S₄ is a quaternary nickel-arsenic-sulfide semiconductor compound belonging to the chalcogenide material family. This is a research-stage material studied for its potential electronic and photonic properties arising from its mixed-valence metal-chalcogen structure. The compound represents an emerging class of materials of interest in materials science for exploring novel band structures and crystal chemistry, though industrial applications remain largely experimental or niche.

Research and developmentSemiconductor device explorationChalcogenide photonicsCrystal structure studiesHigh-pressure material scienceThermoelectric applications (exploratory)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	15,828.4	ksi	—
Shear Modulus(G)	8,670.4	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.02920	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3800	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

Quality & Standards

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.

Ni4 As4 S4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control

Quality & Standards