@article{7a4107e00cc546899fedb7c62e3ead2b,
title = "The effect of Si doping on the electrical properties of B12 As2 thin films on (0001) 6H-SiC substrates",
abstract = "The ability to control the resistivity of the wide band gap semiconductor B12 As2 by doping with silicon was verified. The electrical properties of nominally undoped and Si-doped rhombohedral B12 As2 thin films on semi-insulating 6H-SiC (0001) substrates prepared by chemical vapor deposition were subjected to Hall effect measurements. Varying the Si concentration in the B12 As2 thin films from 7× 1018 to 7× 1021 at. cm3 (as measured by secondary ion mass spectrometry) decreased the resistivities of the p -type B12 As2 films from 2× 105 to 10 cm. The resistivities of the B12 As2 films were decreased by one to two orders of magnitude after rapid thermal annealing for 30 s in argon. The spatial distribution of the hydrogen concentration was measured before and after annealing. No changes were detected, casting doubt on hydrogen as being the cause for the change in the resistivities of the B12 As2 films with annealing.",
author = "Zhou Xu and Edgar, {J. H.} and Look, {D. C.} and S. Baumann and Bleiler, {R. J.} and Wang, {S. H.} and Mohney, {S. E.}",
note = "Funding Information: Acknowledgments. The authors thank the staff of the Icelandic Heart Association for their contribution to AGES-Reykjavik and the staff of the HMC dermatology department and of WCM-Q for their contribution to QMDiab. Finally, the authors are grateful to all study participants of AGES-Reykjavik and QMDiab for their invaluable contributions to this study. Funding. The study was funded by Icelandic Heart Association contract HHSN271201200022C, National Institute on Aging contract N01-AG-12100, and Althingi (the Icelandic Parliament). Va.G. is supported by the Icelandic Centre for Research (grant no. 184845-051). Work on the QMDiab cohort was supported by the Biomedical Research Program at WCM-Q, a program funded by the Qatar Foundation. K.S. is also supported by Qatar National Research Fund grant NPRP11C-0115-180010. Duality of Interest. The study was supported by the Novartis Institute for Biomedical Research, and protein measurements for the AGES-Reykjavik cohort were performed at SomaLogic. J.R.L. and L.L.J. are employees and stockholders of Novartis. No other potential conflicts of interest relevant to this article were reported. Author Contributions. Va.G., V.E., and Vi.G. designed the study. Va.G., M.I., T.A., E.F.G., S.M.J., and N.R.Z. performed data analysis within AGES. K.S. and S.B.Z. contributed QMDiab data and performed validation analysis. J.R.L. and L.L.J. provided expertise on proteomics data and contributed to discussion. Va.G. and V.E. wrote the first draft of the manuscript, with all coauthors contributing to revisions. Vi.G. and V.E. supervised the project. Vi.G. is the guarantor of this work and, as such, had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Prior Presentation. Parts of this study were presented in abstract form at the 55th Annual Meeting of the European Association for the Study of Diabetes, 16–20 September 2019, Barcelona, Spain.",
year = "2007",
doi = "10.1063/1.2437687",
language = "English (US)",
volume = "101",
journal = "Journal of Applied Physics",
issn = "0021-8979",
publisher = "American Institute of Physics Publising LLC",
number = "5",
}