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GFET-S12 for Sensing applications

GFET-S12 for Sensing applications

Product Details:


Product Description

GFET-S12 (Die size 10 mm x 10 mm) - Processed in Clean Room Class 1000

The GFET-S12 chip from Graphenea provides 27 graphene devices distributed in a grid pattern on the chip. The devices have interdigitated contacts on top of the graphene channel, which are optimal for sensing of gases and volatile compounds. All the devices have the same channel length (1mm), but 3 different widths (50µm, 100µm and 200µm). The interdigitated contacts have 3 different gaps (8µm, 15µm and 25µm). These different graphene channel dimensions allow investigation of geometry dependence on device properties, enabling immediate device optimization.


· Growth method: CVD synthesis

· Chip dimensions: 10 mm x 10 mm

· Chip thickness: 675 ÃŽ¼m

· Number of GFETs per chip:  27

· Gate oxide thickness: 90 nm

· Gate oxide material: SiO2

· Dielectric Constant of the SiO2 layer: 3.9

· Resistivity of substrate: 1-10 ÃŽ©.cm

· Metallization: Chromium/Gold 5/45nm

· Graphene field-effect mobility: >1000 cm2/V.s

· Dirac point: <50 V

· Minimum working devices: >75 %


· Maximum gate-source voltage: ± 50 V

· Maximum temperature rating: 150 °C

· Maximum drain-source current density


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