HoS

ceramic

· JVASP-79249· HoS

Holmium sulfide (HoS) is a rare-earth ceramic compound belonging to the lanthanide chalcogenide family, characterized by ionic bonding between holmium cations and sulfide anions. This material is primarily investigated in research contexts for its potential in high-temperature applications, optical devices, and advanced ceramics where rare-earth elements provide unique electronic and thermal properties.

rare-earth ceramics researchhigh-temperature refractory applicationsoptical and photonic devicesthermal barrier coatings (experimental)solid-state electronicsspecialized catalyst supports

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.05751	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	1.653	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	86.54	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000361	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000362	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-6.000	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-6.020	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	30.11	%	DFT · TBmBJ

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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.9365	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.187	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

HoS — Properties & Data | MatWorld

HoS

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental