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The low-frequency 1/f noise in graphene transistors has been studied extensively owing to the proposed graphene applications in analog devices and communication systems [1–5]. The studies were motivated by the fact that the low-frequency noise can be up-converted by device nonlinearity and contribute to the phase noise of the system. Similarly, the sensor sensitivity is often limited by the electronic...
Low frequency noise in virgin (not aged) graphene transistors might be relatively low (comparable to average Si MOSFETs), at least for high quality devices with the bottom gate configuration. Graphene channels are the dominant sources of noise, even though the contact resistances have an important effect on the noise magnitude due to the voltage re-distribution between the contacts and the channel...
We present results of the experimental investigation of the low-frequency noise in bilayer graphene transistors. The back-gated devices were fabricated using the electron beam lithography and evaporation. The charge neutrality point for the transistors was around +10 V. The noise spectra at frequencies f > 10-100 Hz were of the 1/f type with the spectral density on the order of S1 ~ 10-23-10-22...
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