SrHfN2

ceramic

· SrHfN2

SrHfN2 is a strontium hafnium nitride ceramic compound belonging to the transition metal nitride family, characterized by a dense crystal structure and high stiffness. This material remains primarily in the research and development phase; it is investigated for ultra-high-temperature structural applications and as a candidate for next-generation refractory coatings where conventional ceramics reach their thermal and mechanical limits. Its combination of high elastic moduli and material density positions it as a potential alternative to established hafnium-based ceramics in extreme environments, though industrial adoption is not yet widespread.

refractory coatingsultra-high-temperature ceramicsaerospace thermal protectionresearch and developmentadvanced structural composites

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	22,678.1	ksi	DFT
↳	23,986.3	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2100	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	16,759	ksi	DFT
↳	17,565.5	ksi	DFT · OptB88vdW

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
Density(ρ)	0.3075	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	0.3620	eV	DFT · OptB88vdW
↳	1.478	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	83.66 range 12.32–155median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	10.64	-	DFT · OptB88vdW
↳	6.890	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.1033	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.1400	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00256	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00172	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-169.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	211.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.60	%	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)	-1.620	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.

SrHfN2 — Properties & Data | MatWorld

SrHfN2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental