YHSe — Properties & Data | MatWorld

YHSe

ceramic

· YHSe

YHSe is a rare-earth selenide ceramic compound combining yttrium with selenium, belonging to the family of binary rare-earth chalcogenides. This material is primarily of research and development interest rather than high-volume industrial production, with potential applications in optoelectronics, thermal management systems, and specialized semiconductor devices where its unique electronic and thermal properties may offer advantages over conventional alternatives. YHSe represents an exploratory compound within materials research focused on wide-bandgap semiconductors and thermoelectric applications, though industrial maturity and scalability remain limited compared to more established ceramic systems.

optoelectronic device researchwide-bandgap semiconductorsthermal management applicationsexperimental semiconductor compoundsrare-earth ceramics researchsolid-state physics development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	12,474.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1900	-	DFT · OptB88vdW
Shear Modulus(G)	9,602.9	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2026	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.744	eV	DFT · OptB88vdW
↳	2.277	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	15.47	-	DFT · OptB88vdW
↳	14.74	-	DFT · PBE
↳	11.63 range 9.233–14.03median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.765	-	DFT · OptB88vdW
↳	8.503	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.2927	C/m²	DFT · OptB88vdW
↳	0.3282	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00127	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000993	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-134.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	111.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	17.06	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.553	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.

YHSe

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental