Credit: ACS Researchers working at the Massachusetts Institute of Technology have found a way to integrate two different two-dimensional materials in one single electronic device. In their paper published in the journal Nano Letters, the team describes how they used both graphene and molybdenum disulfide (MoS2) to create a single circuit. Two dimensional materials (so named because they are just one atom thick) have created a lot of buzz in the electronics community because of their unique electronic properties. Scientists hope to use them to create smaller, more efficient devices. The two main materials that have captured the attention of the research world are graphene (a sheet of carbon) and MoS2. Both have shown promise, but each has its limitations. To take advantage of what each does well, and to avoid the disadvantages, researchers have looked to joining the two on a single circuit. In this new effort the team at MIT is reporting that they’ve done just that, creating large-scale electronic circuits. Getting the two materials to cooperate was no easy feat. They started by growing samples of MoS2 and graphene using chemical vapor deposition. The MoS2 was then etched to fashion it into channels, followed by a process that caused aluminum oxide (Al2O3) to
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