Journal
NANOSCALE
Volume 10, Issue 8, Pages 4028-4035Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7nr09097h
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Funding
- Australian Research Council [DP140102721, DE130100592]
- FEI Company
- Asian Office of Aerospace Research and Development grant [FA2386-15-1-4044]
- JSPS [S16712]
- Australian Government Research Training Program Scholarship
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Single crystal, nanoscale diamond membranes are highly sought after for a variety of applications including nanophotonics, nanoelectronics and quantum information science. However, so far, the availability of conductive diamond membranes has remained an unreachable goal. In this work we present a complete nanofabrication methodology for engineering high aspect ratio, electrically active single crystal diamond membranes. The membranes have large lateral directions, exceeding similar to 500 x 500 mu m(2) and are only several hundreds of nanometers thick. We further realize vertical single crystal p-n junctions made from the diamond membranes that exhibit onset voltages of similar to 10 V and a current of several mA. Moreover, we deterministically introduce optically active color centers into the membranes, and demonstrate for the first time a single crystal nanoscale diamond LED. The robust and scalable approach to engineer the electrically active single crystal diamond membranes offers new pathways for advanced nanophotonic, nanoelectronic and optomechanical devices employing diamond.
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