Silicon Properties
Silicon Properties - Related Videos
09:46
Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators
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Cited by 1 •
2025
This article traces the life cycle of a silicon nitride membrane resonator, from design through fabrication to characterization.
06:53
Fabrication and Optimization of Type II Silicon Clathrate Films
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2025
The two-thermal annealing method enables the fabrication of thin films of type II semiconductor silicon clathrate. Post-synthesis treatments, including thermal pressing and reactive ion etching, were performed to improve the material properties. This approach provides an accessible pathway for fabricating tunable clathrate films suitable for next-generation electronic and photonic devices.
07:44
Longitudinal Intravital Imaging Through Clear Silicone Windows
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Cited by 11 •
2022
An approach is here presented for long-term intravital imaging using optically clear, silicone windows that can be glued directly to the tissue/organ of interest and the skin. These windows are cheaper and more versatile than others currently used in the field, and the surgical insertion causes limited inflammation and distress to the animals.
11:25
Preparation of Silicon Nanowire Field-effect Transistor for Chemical and Biosensing Applications
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Cited by 5 •
2016
We describe key steps for biosensing by using polysilicon nanowire field-effect transistors, including the preparation of the device and the immobilization and confirmation of a DNA molecular probe on the nanowire surface, as well as conditions for DNA sensing.
12:38
Soft Lithographic Functionalization and Patterning Oxide-free Silicon and Germanium
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Cited by 3 •
2011
Here we describe a simple method for patterning oxide-free silicon and germanium with reactive organic monolayers and demonstrate functionalization of the patterned substrates with small molecules and proteins. The approach completely protects surfaces from chemical oxidation, provides precise control over feature morphology, and provides ready access to chemically discriminated patterns.
FAQs
Silicon’s intermediate band gap makes its conductivity controllable rather than fixed. Temperature and illumination can alter its electrical behavior, while engineered dopants provide another control route. This tunability lets engineers design material regions with intended electrical responses, a central requirement for transistors, integrated circuits, photovoltaic cells, and sensors.
Controlled oxidation produces a thin, stable silicon dioxide layer on silicon. That layer supplies an insulating surface, allowing engineers to separate conductive regions and define patterns during device fabrication. Its importance is functional: the oxide enables electrical isolation and patterned structures needed in silicon-based electronic devices.
Strong covalent bonds in silicon’s crystalline lattice provide the structural basis for a material that can be processed into engineered devices. In design, this lattice is considered together with electrical and thermal characteristics rather than in isolation. That combined assessment helps explain silicon’s use across circuits, photovoltaic cells, sensors, and microsystems.
Adding boron or phosphorus changes silicon’s electrical behavior by introducing dopants into the material. This provides a controllable way to tailor conductivity in selected regions, complementing changes produced by temperature or illumination. Engineers can therefore use composition as a design variable when developing patterned devices, rather than relying only on external operating conditions.
Material selection depends not only on performance but also on whether a material can be manufactured reliably and integrated into established processes. Silicon is favored because its abundance, manufacturability, and compatibility with established fabrication methods support scalable device production. These factors influence engineering choices alongside its electrical, chemical, and thermal characteristics.
Different device classes exploit different combinations of silicon characteristics. Transistors and integrated circuits rely on controllable electrical behavior and insulating oxide surfaces; photovoltaic cells use its response to illumination; sensors and microelectromechanical systems use silicon to form engineered devices. This breadth makes the material relevant across electronic, energy, sensing, and microsystem engineering.