HoCu4Ag

metal

· JVASP-149133· HoCu4Ag

HoCu₄Ag is a quaternary intermetallic compound combining holmium, copper, and silver—a rare-earth metal alloy that sits at the intersection of precious and functional metals. This material is primarily of research interest rather than established industrial use, studied for potential applications requiring the unique combination of rare-earth magnetic properties with copper and silver's thermal and electrical conductivity. Engineers would consider this compound in niche applications demanding specialized electromagnetic or thermal performance, though its practical deployment remains limited by cost, processing complexity, and the nascent state of its characterization.

rare-earth alloysresearch/experimental materialsmagnetic applicationshigh-performance conductorsmaterials science development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3528	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.2802	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.

HoCu4Ag

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control