Hf2SN2 — Properties & Data | MatWorld

Hf2SN2

ceramic

· JVASP-92659· Hf2SN2

Hf2SN2 is a hafnium-based ceramic compound combining refractory metal chemistry with nitride and sulfide phases, representing an advanced material within the family of transition metal chalcogenides and nitrides. This material is primarily of research and development interest for extreme-environment applications where thermal stability, chemical resistance, and mechanical performance at elevated temperatures are critical; the hafnium base suggests potential use in aerospace thermal protection systems, nuclear reactor components, or high-temperature structural applications. As a multi-phase ceramic system, Hf2SN2 offers a pathway to tailored material properties through compositional control, though industrial deployment remains limited and the material is best suited for specialized engineering problems where conventional ceramics (alumina, silicon carbide) or superalloys prove insufficient.

high-temperature structural ceramicsaerospace thermal systemsnuclear fuel cladding researchrefractory applicationswear-resistant coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	143.7	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	77.85	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	8.336	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	1.149	eV	DFT · OptB88vdW
↳	1.870	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	25.83	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.916	-	DFT · OptB88vdW
↳	7.167	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.5000	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.4533	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	0.00159	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000777	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-160.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	124.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	25.83	%	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)	0.04880	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.891	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.

Hf2SN2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental