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Sigma-Aldrich

Iron disilicide

greener alternative

powder, -20 mesh, 99.9% trace metals basis

Synonym(s):

Iron silicide

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About This Item

Empirical Formula (Hill Notation):
FeSi2
CAS Number:
Molecular Weight:
112.02
UNSPSC Code:
12352103
NACRES:
NA.23

assay

99.9% trace metals basis

form

powder

greener alternative product characteristics

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particle size

-20 mesh

mp

1220 °C (lit.)

greener alternative category

InChI

1S/Fe.2H2Si/h;2*1H2

InChI key

UVUDQHYBXBVHAI-UHFFFAOYSA-N

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General description

Iron disilicide (FeSi2) is a direct bandgap (0.85-0.87 eV) semiconductor material that has a high optical absorption coefficient, high Seebeck coefficient, high working temperature and high resistance to oxidation.
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Application

FeSi2 can be used in a variety of optoelectronic applications such as lithium-ion batteries, light-emitting diodes (LEDs) and solar cells.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Thermoelectric properties of hot-pressed Al-and Co-doped iron disilicide materials
He Z, et al.
Journal of alloys and compounds, 438(1-2), 303-309 (2007)
Nishida, I.
Physical Review. B, Condensed Matter and Materials Physics, 7, 2710-2710 (1973)
Meng, Q. S.; Fan, W. H.; Chen, R. X.; Munir, Z. A.
J. Alloy Compounds, 492, 303-303 (2010)
Enhanced Room-Temperature 1.6 mu Electroluminescence from Si-Based Double-Heterostructure Light-Emitting Diodes Using Iron Disilicide
Suzuno M, et al.
Japanese Journal of Applied Physics, 49(4S), 04DG16-04DG16 (2010)
Gross, E.; Riffel, M.; Stoehrer, U.
Journal of Materials Research, 10, 34-34 (1995)

Articles

Higher transition metal silicides are ideal for anisotropic thermoelectric conversion due to their Seebeck coefficient anisotropy and mechanical properties.

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