Ho4MgS7

ceramic

· JVASP-140432· Ho4MgS7

Ho4MgS7 is a rare-earth sulfide ceramic compound containing holmium, magnesium, and sulfur, representing a specialized member of the lanthanide sulfide family with potential for high-temperature and optical applications. This material exists primarily in the research domain rather than established commercial production, offering potential advantages in refractory systems, phosphor applications, or specialized electronic ceramics where rare-earth sulfides provide thermal stability and unique luminescent or magnetic properties unavailable in conventional oxides.

high-temperature refractoriesrare-earth phosphorsresearch ceramicsoptical materials developmentthermal barrier coatings (experimental)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2091	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.007	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02320	eV/atom	—
Formation Energy(ΔHf)	-2.126	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.

Ho4MgS7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental