Ba2 Ni2 S4
semiconductor· Ba2 Ni2 S4
Ba2Ni2S4 is a layered chalcogenide semiconductor compound combining barium, nickel, and sulfur in a stoichiometric ratio. This is a research-phase material primarily investigated for its electronic band structure and potential optoelectronic properties, representing the broader class of transition-metal chalcogenides that exhibit semiconducting behavior. Interest in this compound stems from its layered crystal structure—similar to other chalcogenides used in photovoltaics and photodetection—and its potential for tunable band gaps in emerging thin-film device applications, though it remains largely in academic exploration rather than established commercial use.
thin-film photovoltaics (research)photodetectors (experimental)optoelectronic devices (development stage)layered semiconductor researchband engineering studiesalternative semiconductor platforms
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | 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.