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Sigma-Aldrich

Silicon

wafer (single side polished), <100>, N-type, contains no dopant, diam. × thickness 2 in. × 0.5 mm

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Synonym(s):
Silicon element
Linear Formula:
Si
CAS Number:
7440-21-3
Molecular Weight:
28.09
EC Number:
231-130-8
MDL number:
MFCD00085311
PubChem Substance ID:
24883476
NACRES:
NA.23

form

crystalline (cubic (a = 5.4037))
wafer (single side polished)

Quality Level

100

does not contain

dopant

diam. × thickness

2 in. × 0.5 mm

bp

2355 °C (lit.)

mp

1410 °C (lit.)

density

2.33 g/mL at 25 °C (lit.)

semiconductor properties

<100>, N-type

SMILES string

[Si]

InChI

1S/Si

InChI key

XUIMIQQOPSSXEZ-UHFFFAOYSA-N

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General description

Silicon wafers or a “slice” of substrate find applications in the fabrication of integrated circuits, solar cells etc. They serve as a substrate for various microelectronic devices.

Physical properties

0 vortex defects. Etch pitch density (EPD) < 100 (cm-2). Resistivity 100 - 3000 Ωcm
Oxygen content: ≤ 1~1.8 x 1018 /cm3; Carbon content: ≤ 5 x 1016 /cm3; Boule diameter: 1~8 ″

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Molecular monolayers on silicon surfaces.
Lopinski GP and Wayner DDM.
Material Matters, 3(2), 38-38 (2008)
Bo-Soon Kim et al.
Journal of nanoscience and nanotechnology, 13(5), 3622-3626 (2013-07-19)
A subwavelength structure (SWS) was formed via a simple chemical wet etching using a gold (Au) catalyst. Single nano-sized Au particles were fabricated by metallic self-aggregation. The deposition and thermal annealing of the thin metallic film were carried out. Thermal
Min Joon Huang et al.
Journal of nanoscience and nanotechnology, 13(6), 3810-3817 (2013-07-19)
In this work, we demonstrated a silicon nanowire (SiNW) biosensing platform capable of simultaneously identifying different Dengue serotypes on a single sensing chip. Four peptide nucleic acids (PNAs), specific to each Dengue serotypes (DENV-1 to DENV-4), were spotted on different
Seungil Park et al.
Journal of nanoscience and nanotechnology, 13(5), 3397-3402 (2013-07-19)
We investigated the thin film growths of hydrogenated silicon by hot-wire chemical vapor deposition with different flow rates of SiH4 and H2 mixture ambient and fabricated thin film solar cells by implementing the intrinsic layers to SiC/Si heterojunction p-i-n structures.
Jae Cheol Shin et al.
Journal of nanoscience and nanotechnology, 13(5), 3511-3514 (2013-07-19)
We have characterized the structural properties of the ternary In(x)Ga(1-x)As nanowires (NWs) grown on silicon (Si) substrates using metalorganic chemical vapor deposition (MOCVD). Au catalyzed vapor-liquid-solid (VLS) mode was used for the NW growth. The density of the In(x)Ga(1-x)As NW
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