646687 Sigma-Aldrich


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

Synonym: Silicon element



Related Categories Electronic Materials, Materials Science, Micro/NanoElectronics, Organic and Printed Electronics, SIlicon Wafers - Substrates,
form   crystalline (cubic (a = 5.4037))
  wafer (single side polished)
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]


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.


1, 5 ea in rigid mailer

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 ″

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Protocols & Articles


Atomic Layer Deposition of Nanomaterials for Li-Ion Batteries, Fuel Cells, and Solar Cells

Erwin Kessels,* Harm Knoops, Matthieu Weber, Adrie Mackus, and Mariadriana Creatore Department of Applied Physics, Eindhoven University of Technology P.O. Box 513, 5600 MB Eindhoven, The Netherlands ...
Keywords: Adhesion, Atomic layer deposition, Building blocks, Catalysis, Chemical vapor deposition, Crystallization, Deposition, Diffusion, Microscopy, Nanomaterials, Nanotubes, Nucleic acid annealing, Oxidations, Recombination, Reductions, Renewable energy, Scanning electron microscopy, Solar cells

Building and Engineering Micro/Nano Architectures of Single-Walled Carbon Nanotubes for Electronic Applications

1Department of Mechanical and Industrial Engineering, Northeastern University, Boston, MA 02115, USA 2Department of Physics, Northeastern University, Boston, MA 02115, USA 3Department of Mechanical E...
Ji Hao,1 Hyunyoung Jung,1 Younglae Kim,1 Bo Li,1,3 Swastik Kar,2 Yung Joon Jung1*
Material Matters, 2017, 12.1
Keywords: Chromatin immunoprecipitation, Environmental, Nanotubes, Redox Reactions, Reductions, transformation

Deposition Substrates and Silicon Wafers

Successful deposition of materials often depends on the proper substrates, with a good lattice match and a clean, even surface. We are proud to offer a variety of new single crystal substrates and si...
Chemfiles Volume 4 Article 3
Keywords: Deposition, Diffraction, Semiconductor, Trace metal analysis, X-Ray diffraction

Dye-Sensitized and Perovskite Solar Cells: Interface Engineering by Atomic Layer Deposition

Valerio Zardetto,1 Francesco Di Giacomo,2 Thomas M. Brown,2 Aldo Di Carlo,2 Alessandra D’Epifanio,3 Silvia Licoccia,3 Erwin Kessels,1 Mariadriana Creatore1* 1Department of Applied Physics, Eindhoven ...
Keywords: Atomic layer deposition, Calorimetry, Capillary electrophoresis, Catalysis, Chemical vapor deposition, Deposition, Electronics, Materials Science, Microscopy, Photovoltaics, Positron Emission Tomography, Recombination, Reductions, Scanning electron microscopy, Semiconductor, Separation, Sol-gel, Solar cells

FePt Nanogranular Films for High Density Heat-assisted Magnetic Recording

Kazuhiro Hono, National Institute for Materials Research, Tsukuba 305-0047, Japan Email:
Keywords: Deposition, Nucleic acid annealing

Molecular Monolayers on Silicon Surfaces

Controlled formation of organic molecular monolayers on silicon surfaces offers the promise of enhancing the functionality of existing and emerging silicon based materials and devices. The synthetic ...
Gregory P. Lopinski, Daniel D.M. Wayner
Material Matters 2008, 3.2, 38.
Keywords: Adsorption, Buffers, Degradations, Diffusion, Electronics, Gas chromatography, Grignard Reaction, Hydrosilylations, Immobilization, Infrared spectroscopy, Microelectronics, Microscopy, Nanomaterials, Nucleic acid hybridization, Oxidations, Reductions, Semiconductor, Solvents, Sonication, Surface Science, Transduction

Synthesis of Melting Gels Using Mono-Substituted and Di-Substituted Alkoxysiloxanes

Hybrid organic-inorganic sol-gel materials containing silica were first called “ORMOSILs” in 1984.1 Since then, the number of hybrid organicinorganic combinations has increased rapidly.2 Hybrid mater...
Lisa C. Klein and Andrei Jitianu
Material Matters, Volume 7, Number 2, 8–14
Keywords: Absorption, Adhesion, Calorimetry, Combustion, Condensations, Deposition, Exothermic, Filtration, Materials Science, Melting, Oxidations, Polymerization reactions, Purification, Semiconductor, Sol-gel, Solar cells, Solvents, Spin coating, Substitutions, Thermal analysis


Negative Photoresist Procedure

Our photoresist kit was designed to have the necessary chemical components for each step in the lithographic process. The component materials are provided in pre-weighed quantities for your convenien...
Keywords: Adhesion, Diffraction, Evaporation, Polymerization reactions, Size-exclusion chromatography, Solvents

Peer-Reviewed Papers


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