LuPS4 — Properties & Data | MatWorld

LuPS4

ceramic

· JVASP-14144· LuPS4

LuPS4 is a rare-earth phosphorus sulfide ceramic compound based on lutetium chemistry, representing an emerging class of layered ceramic materials with potential for advanced applications. This material belongs to the family of rare-earth thiophosphate ceramics currently under investigation in research settings for its unique crystal structure and electronic properties. While not yet established in mainstream industrial production, LuPS4 and related compounds are of interest to materials researchers exploring applications in solid-state devices, thermal management, and specialized optical or electronic components where rare-earth ceramics offer advantages over conventional alternatives.

solid-state electronics researchthermal barrier coatingsrare-earth ceramic compositesadvanced layered materialsexperimental photonic deviceshigh-temperature ceramics development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Exfoliation Energy(Eexf)	66.08	meV/atom	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.021	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.043	eV	DFT · OptB88vdW
↳	2.852	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	26.66	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.266	-	DFT · OptB88vdW
↳	4.948	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.157	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.610	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000942	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000764	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-201.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	247.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	6.390	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.088	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.

LuPS4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental