Sr4 Hf2 O8

semiconductor

· Sr4 Hf2 O8

Sr₄Hf₂O₈ is a strontium hafnium oxide ceramic compound belonging to the family of rare-earth and refractory oxide semiconductors. This material is primarily of research interest rather than established industrial production, with potential applications in high-temperature electronics, thermal barrier coatings, and dielectric systems where hafnium oxides are valued for their stability and electronic properties. Engineers would consider this compound in advanced thermal management or specialized semiconductor contexts where the chemical stability of hafnium combined with the alkaline-earth behavior of strontium offers advantages over conventional oxides in extreme environments.

thermal barrier coatingshigh-temperature electronicsrefractory ceramicsdielectric materialsaerospace thermal protectionresearch semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	17,486.8	ksi	—
Shear Modulus(G)	9,308.5	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	3.532	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.433	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.

Sr4 Hf2 O8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control