HfSi2Br

ceramic

· JVASP-51212· HfSi2Br

HfSi₂Br is an experimental hafnium silicide ceramic compound containing bromine, representing an emerging material within the refractory ceramic family. While not yet established in mainstream industrial production, hafnium silicides are of significant research interest for extreme-temperature applications due to hafnium's high melting point and strong oxide stability; the bromine incorporation may influence thermal, chemical, or electronic properties in ways currently under investigation.

high-temperature structural ceramics (research)refractory coatings (experimental)aerospace thermal protection (potential)advanced composite reinforcement (exploratory)semiconductor or optoelectronic applications (context-dependent)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2349	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000278	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000265	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	6.310	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	6.160	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	1.253	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.5844	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.

HfSi2Br — Properties & Data | MatWorld

HfSi2Br

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental