S4 Ho2

semiconductor

· S4 Ho2

S4 Ho2 is a holmium-based semiconductor compound, likely a rare-earth oxide or intermetallic phase with potential applications in optoelectronic and magnetic device research. This material belongs to the broader family of rare-earth semiconductors, which are investigated for their unique electronic and magnetic properties that differ from conventional semiconductors; however, detailed compositional and performance data for this specific phase are limited in standard engineering literature, suggesting it may be a specialized research compound or emerging material.

rare-earth optoelectronicsmagnetic semiconductor researchquantum computing materialssolid-state laser developmenthigh-frequency electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00160	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1740	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.

S4 Ho2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control