Graphene nanomechanical vibrations measured with a phase-coherent software-defined radio
Ce Zhang,
YuBin Zhang,
Chen Yang
et al.
Abstract:Software-defined radios (SDRs) are radio frequency transceivers designed to facilitate digital signal processing through the use of vast libraries of open-source software. Here, we assemble a simple data acquisition system whose architecture, based on SDR, allows us to develop a comprehensive suite of tools to study the vibrations of a few-layer graphene nanomechanical resonator. Namely, we measure the cross-spectrum of vibrations in the frequency domain, we measure their energy decay rate in the time domain, … Show more
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