Mo4 Hf2

semiconductor

· Mo4 Hf2

Mo4Hf2 is an experimental refractory compound combining molybdenum and hafnium, belonging to the family of high-entropy or multi-principal element semiconductors under active research. This material is being investigated primarily in materials science research for potential applications requiring extreme temperature stability and chemical inertness, though it has not yet achieved widespread industrial adoption. Interest in this compound stems from the refractory metal matrix potentially offering enhanced hardness and thermal stability compared to conventional binary or ternary semiconductors, making it a candidate for next-generation high-temperature electronic or structural applications.

high-temperature semiconductors (research)refractory electronicsextreme environment sensorsthermal barrier materials (development stage)materials science fundamental research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	29,278.3	ksi	—
Shear Modulus(G)	9,073.6	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00620	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1630	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.

Mo4 Hf2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control