Tb2 S2 F2
semiconductor· Tb2 S2 F2
Tb₂S₂F₂ is an experimental rare-earth chalcohalide semiconductor combining terbium, sulfur, and fluorine in a mixed-anion structure. This compound belongs to a family of emerging semiconductors designed for optoelectronic and photonic applications where conventional single-anion semiconductors (such as binary sulfides or fluorides) have limitations. Research into this material class is driven by the ability to engineer bandgaps and electronic properties through compositional tuning, making these systems candidates for next-generation light-emitting devices, photocatalysis, and radiation detection where rare-earth optical activity is advantageous.
photonic devices (research-stage)rare-earth luminescencephotocatalysisradiation detectorsoptoelectronic semiconductorsmaterials design and computational studies
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | Pa | — | — | |
Shear Modulus(G) | — | Pa | — | — |
Verified Unverified Low confidence (<80%) Link to source
| 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.