MnFe2Si

Name: MnFe2Si
Brand: MatWorld

metal

· MnFe2Si

MnFe2Si is an intermetallic compound belonging to the iron-manganese-silicon family, characterized by an ordered crystal structure that combines metallic bonding with intermetallic phases. This material is primarily investigated for magnetic and mechanical applications, particularly in research focused on shape memory alloys and magnetocaloric materials, where its unique combination of magnetic properties and elastic behavior offers potential advantages over conventional ferromagnetic alloys. Engineering interest centers on applications requiring materials with tailored stiffness, damping characteristics, and magnetic response, though commercial deployment remains limited compared to established iron-based alloys.

shape memory alloysmagnetocaloric devicesmagnetic damping applicationshigh-stiffness intermetallicsresearch/development stage materials

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	33,774.6	ksi	DFT
↳	34,094	ksi	DFT · OptB88vdW
↳	33,774.6	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	2.606	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)	0.3170	-	DFT · PBE
Shear Modulus(G)3 entries	14,081.1	ksi	DFT
↳	4,461.4	ksi	DFT · OptB88vdW
↳	14,081.1	ksi	DFT · PBE

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
Density(ρ)	0.2674	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	3.008	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000103	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000118	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-9.480	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-10.17	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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.2780	eV/atom	DFT · OptB88vdW
↳	-0.2653	eV/atom	Measured

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

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

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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.

MnFe2Si — Properties & Data | MatWorld

MnFe2Si

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