Journal article
Surface transfer doping of diamond using solution-processed molybdenum trioxide
K Xing, W Li, E Della Gaspera, J van Embden, L Zhang, SA Yianni, DL Creedon, T Wang, JC McCallum, L Wang, J Huang, CI Pakes, DC Qi
Carbon | PERGAMON-ELSEVIER SCIENCE LTD | Published : 2021
Abstract
The surface of hydrogen-terminated diamond (H-terminated diamond) supports a p-type surface conductivity when interfaced with high electron-affinity surface acceptors through the surface transfer doping process. High electron-affinity transition metal oxides (TMOs), such as MoO3, have been regarded as superior candidates in surface transfer doping of diamond, holding great promise for enabling practical diamond electronic devices. In this work, a simple, solution-processed method is demonstrated to deposit a molybdenum trioxide (MoO3) layer on H-terminated diamond surface to achieve surface transfer doping of diamond. The surface of diamond following the deposition of solution-processed MoO3..
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Awarded by Queensland University of Technology
Funding Acknowledgements
This work was supported by the Australian Research Council under the Discovery Project (No. DP150101673). D.-C. Q. acknowledges the support of the Australian Research Council (Grant No. FT160100207), and the continued support from the Queensland University of Technology (QUT) through the Centre for Materials Science. E.D.G. acknowledges the support of the Australian Research Council (Grant No. DE170100164, Grant No. DP190101864). Part of this work was enabled by use of the Central Analytical Research Facility hosted by the Institute for Future Environment at QUT.