NdCo9Si4 — Properties & Data | MatWorld

NdCo9Si4

metal

· JVASP-22887· NdCo9Si4

NdCo₉Si₄ is an intermetallic compound combining neodymium, cobalt, and silicon, belonging to the rare-earth transition metal silicide family. This material is primarily of research and developmental interest for high-temperature structural applications and magnetic applications, where the rare-earth element contributes to enhanced magnetic properties or phase stability. Engineers considering this material should note it represents an experimental composition rather than a widely commercialized alloy, making it relevant for advanced materials research seeking improved performance over conventional cobalt-based superalloys or permanent magnet systems.

permanent magnet systemshigh-temperature intermetallicsmagnetic device componentsmaterials research and developmentrare-earth alloy development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2752	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000194	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000195	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-17.15	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-17.25	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4305	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

NdCo9Si4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control