Ho2 Ta2 O8

ceramic

· Ho2 Ta2 O8

Ho₂Ta₂O₈ is a rare-earth tantalum oxide ceramic compound combining holmium and tantalum in a mixed-metal oxide structure. This material belongs to the family of complex oxide ceramics and is primarily of research and developmental interest rather than established commercial production. Potential applications target high-temperature structural applications, refractory materials, and advanced ceramics where the combination of rare-earth and transition-metal oxides may provide enhanced thermal stability or specialized electrical properties; however, industrial adoption remains limited and the material is generally considered experimental outside specialized research contexts.

high-temperature ceramics (research)refractory materials (developmental)rare-earth oxidesmixed-metal oxide compoundsadvanced ceramics researchthermal barrier coating candidates

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	23,594.5	ksi	—
Shear Modulus(G)	11,044.2	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	4.054	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.524	eV/atom	—

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

Regulatory Screening

Environmental

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.

Ho2 Ta2 O8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental