S4 Ba2 Hf1

semiconductor

· S4 Ba2 Hf1

S4Ba2Hf1 is an experimental hafnium-barium sulfide compound belonging to the sulfide semiconductor family, likely being investigated in materials research laboratories rather than established in widespread industrial production. This material represents the broader class of transition metal sulfides, which are explored for optoelectronic and photocatalytic applications due to their tunable bandgaps and layered crystal structures. As a hafnium-containing compound, it may offer thermal stability advantages relevant to high-temperature semiconductor devices, though its niche composition suggests it remains in the research or prototype phase rather than production-scale manufacturing.

photocatalytic materials researchoptoelectronic semiconductorshigh-temperature electronicsthin-film deposition studiessolid-state physics researchalternative semiconductor exploration

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	9,045.6	ksi	—
Shear Modulus(G)	4,928.4	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.9122	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.104	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 Ba2 Hf1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control