Hf4 O14 Sm4

semiconductor

· Hf4 O14 Sm4

Hf₄O₁₄Sm₄ is a rare-earth hafnium oxide ceramic compound combining hafnium and samarium oxides, belonging to the family of high-refractory mixed-metal oxides. This material is primarily of research and developmental interest rather than established production use, investigated for applications requiring extreme thermal stability and radiation resistance. Engineers consider this compound family for specialized aerospace, nuclear, and high-temperature structural applications where conventional ceramics reach their performance limits.

nuclear reactor componentsaerospace thermal barriershigh-temperature ceramics researchradiation-resistant coatingsrefractory materials developmentadvanced nuclear fuel cladding

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	3.810	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.807	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.

Hf4 O14 Sm4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control