FeSe — Properties & Data | MatWorld

FeSe

metal

· FeSe

FeSe is an iron selenide compound belonging to the family of iron chalcogenides, a class of materials that exhibits layered crystal structures and interesting electronic properties. While primarily an experimental and research material rather than a widely industrialized compound, FeSe has garnered significant attention in condensed matter physics and materials research due to its superconducting properties at low temperatures and potential for electronic device applications. The material's layered nature and tunable electronic characteristics make it a candidate for emerging applications in quantum computing, superconducting devices, and next-generation electronic/photonic systems, though most current work remains in laboratory and theoretical development stages.

superconducting devices (research)quantum computing substratesthin-film electronicscondensed matter physics studies2D material researchtopological materials exploration

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Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	2,802.5	ksi	DFT
↳	6,757.3	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	85.56	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	1,906.4	ksi	DFT
↳	4,224.9	ksi	DFT · OptB88vdW

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.

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.2539	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	56.68	-	DFT · OptB88vdW
Magnetic Moment(μB)	9.032	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000488	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000490	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-11.57	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-11.82	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)	0.1988	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.09223	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

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FeSe

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