Hf4 Si4 Pt4

semiconductor

· Hf4 Si4 Pt4

Hf₄Si₄Pt₄ is an experimental intermetallic compound combining hafnium, silicon, and platinum in a 1:1:1 stoichiometric ratio, representing a research-stage material in the high-entropy intermetallic family. While not yet commercialized for widespread industrial use, this material is of interest in materials science research for potential high-temperature structural applications, leveraging the refractory properties of hafnium and the thermal stability contributions of platinum and silicon. Such ternary intermetallics are being investigated as candidates for extreme environment applications where conventional superalloys or ceramics reach their performance limits.

experimental high-temperature compoundsaerospace propulsion researchrefractory materials developmentthermal barrier coating componentsmaterials research and characterizationextreme environment applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	192.6	GPa	—
Shear Modulus(G)	97.26	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01240	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.033	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

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.

Hf4 Si4 Pt4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control