Silicon Wafers for Graphene AFM Research
UniversityWafer supplies high-quality silicon wafers for graphene characterization, Atomic Force Microscopy (AFM), nanoscale imaging, and surface topography studies. We offer test-grade, prime-grade, and custom-patterned silicon wafers to meet a wide range of research requirements.
Whether you need standard silicon substrates or custom wafer gratings with nanoscale features, our engineering team can help identify the best solution for your graphene research.
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Silicon Wafer Grating for Nanoscale Patterning
Silicon wafer gratings are frequently used in graphene research, AFM calibration, nanostructure characterization, diffraction studies, and surface metrology. Custom periodic line patterns and nanoscale structures can be fabricated to meet your project's dimensional requirements.
Graphene Under Atomic Force Microscopy (AFM) Observations
Atomic Force Microscopy (AFM) is widely used to observe graphene surface features, nanoscale topography, wrinkles, folds, thickness variation, and patterned structures. UniversityWafer supplies silicon wafers and silicon wafer grating substrates used by researchers for graphene AFM observation and nanoscale characterization.
Researchers have successfully used the following silicon wafer for graphene and AFM-related experiments:
Si Item #444 - 50.8mm P/B <100> 0-100 Ω-cm, 320-350µm, SSP Test Grade
Silicon Wafers for Graphene AFM Research
Silicon wafers provide a flat, stable substrate for preparing, transferring, and examining graphene under AFM. For many research applications, test-grade silicon wafers are a cost-effective option when prime semiconductor performance is not required.
Typical wafer specifications for graphene AFM studies may include diameter, orientation, dopant type, resistivity, thickness, polish, surface roughness, oxide coating, and pattern dimensions.
Nanoscale Grating and Pattern Requirements
Some graphene AFM projects require silicon wafers with periodic line patterns or nanoscale grating structures. These features can help researchers study graphene conformation, strain, adhesion, surface interaction, and topographic response over patterned substrates.
For custom patterned wafers, UniversityWafer may request details such as:
- Required line pattern or feature geometry
- Feature period, ridge width, and valley width
- Minimum wafer or die size
- Target etch depth or structure height
- Dimensional tolerances and critical dimensions
- Quantity needed for initial testing and future production
Example Research Request
A researcher requested a periodic line pattern with a total feature period below 200nm, meaning the combined ridge width and valley width needed to be less than or equal to 200nm. For the initial study, a wafer or die size of at least 10mm × 10mm was requested, with a pattern depth of approximately 10-100nm.
This type of substrate can support early-stage graphene research, AFM observation, nanoscale surface analysis, and patterned wafer testing before moving into larger quantities.
UniversityWafer, Inc. supplies silicon wafers, test-grade silicon, patterned silicon wafers, and grating substrates for graphene AFM observation and advanced nanoscale research.