Hf2 Cu1 Sb3

semiconductor

· Hf2 Cu1 Sb3

Hf2Cu1Sb3 is an intermetallic compound belonging to the half-Heusler semiconductor family, characterized by a cubic crystal structure with potential for thermoelectric applications. This material is primarily of research interest for thermoelectric energy conversion devices, where it is investigated for its ability to convert waste heat into electrical power—particularly in automotive and industrial heat recovery systems. Hf2Cu1Sb3 represents an emerging class of materials being explored as alternatives to traditional thermoelectrics, with the hafnium-based composition offering potential advantages in thermal stability and performance at moderate to high temperatures compared to conventional lead telluride or bismuth telluride systems.

thermoelectric power generationwaste heat recoveryhigh-temperature semiconductor devicesautomotive thermal managementresearch and developmentintermetallic compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	13,994.5	ksi	—
Shear Modulus(G)	7,268.3	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00540	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3460	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.

Hf2 Cu1 Sb3

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control