Hf4 Si4 Mo4

semiconductor

· Hf4 Si4 Mo4

Hf₄Si₄Mo₄ is an experimental refractory compound combining hafnium, silicon, and molybdenum in a quaternary ceramic system. This material belongs to the family of high-entropy or multi-component ceramics being investigated for extreme-temperature applications where conventional materials fail, though it remains primarily in research and development phases rather than established commercial production.

High-temperature structural ceramicsRefractory coatings researchAerospace thermal protection systemsMaterials science researchUltra-high temperature applicationsAdvanced composite reinforcement phases

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	187.5	GPa	—
Shear Modulus(G)	104.5	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00130	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6370	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 Mo4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control