Ho5Si4

ceramic

· Ho5Si4

Ho5Si4 is a rare-earth silicide ceramic compound combining holmium with silicon, belonging to a family of intermetallic ceramics studied primarily for high-temperature structural applications. This material is largely experimental and represents research into rare-earth silicides for extreme environments where traditional oxides or carbides may be unsuitable; such compounds are investigated for their potential thermal stability, oxidation resistance, and refractory properties in aerospace and nuclear settings.

high-temperature refractory applicationsaerospace thermal protectionexperimental ceramic compositesrare-earth intermetallics researchnuclear reactor environmentsoxidation-resistant coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2746	lb/in³	—

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

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	—
↳	eV	—
Magnetic Moment(μB)	µB	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01560	eV/atom	—
Formation Energy(ΔHf)	-0.7395	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.

Ho5Si4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental