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Grolltex — graphene rolling technologies
Enhanced performance graphene: graphene on hBN

Enhanced performance graphene: graphene on hBN

A layer of hBN beneath graphene. The close lattice match raises electron mobility for sensing and transistors.

This configuration is quoted per order — sheet size, substrate and stack determine the price.

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SKU: GRA-HBN Category:

Specifications

Specification Value
Structure Graphene over hBN
hBN layers 1 or more
Max diameter 8" (200 mm)
Substrates Si/SiO₂, custom
Coverage ≥95% guaranteed, typically 100%
Fabrication Class 100 cleanroom

Batch characterization

Representative data. The unit you receive ships with measurements from its own batch.

Raman spectrum of monolayer graphene — G peak at ~1582 cm⁻¹, 2D peak at ~2680 cm⁻¹. Intensity (A.U.) against Raman shift (cm⁻¹).
Raman spectrum of monolayer graphene — G peak at ~1582 cm⁻¹, 2D peak at ~2680 cm⁻¹. Intensity (A.U.) against Raman shift (cm⁻¹).
Electron mobility
Enhanced

Versus graphene directly on Si/SiO₂

Stack bond
van der Waals

Near lattice-matched interface

Lead time
By quote

Depends on configuration and volume

Optical micrograph — graphene on copper, 50×
Optical micrograph — graphene on copper, 50×
Optical micrograph — grain structure, 20×
Optical micrograph — grain structure, 20×
As shipped — sealed foil, 6" × 6"
As shipped — sealed foil, 6" × 6"

Citing this material

Enhanced performance graphene, graphene-on-hBN heterostructure (GRA-HBN), Grolltex, Inc., San Diego, CA.

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