Cr4 Ta2

semiconductor

· Cr4 Ta2

Cr4Ta2 is a transition metal intermetallic compound composed of chromium and tantalum, classified as a semiconductor material. This is a research-phase compound studied primarily for advanced structural and functional applications where the combined properties of these refractory metals may offer advantages over single-element or more conventional alloy systems. The material family has potential in high-temperature electronics, wear-resistant coatings, and specialized aerospace applications, though industrial deployment remains limited compared to mature alternatives.

refractory metal researchhigh-temperature semiconductorsaerospace structureswear-resistant coatingselectronic device materialslaboratory/experimental applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	35,573	ksi	—
Shear Modulus(G)	10,161.3	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00480	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1100	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.

Cr4 Ta2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control