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Grants 1991 2020

Publications 1983 2018

  • 22 h-Index
  • 61 Article
  • 49 Conference contribution
  • 6 Chapter
  • 1 Review article

Chemical and semiconducting properties of NO2-activated H-terminated diamond

Geis, M. W., Fedynyshyn, T. H., Plaut, M. E., Wade, T. C., Wuorio, C. H., Vitale, S. A., Varghese, J. O., Grotjohn, T. A., Nemanich, R. J. & Hollis, M. A. Apr 1 2018 In : Diamond and Related Materials. 84, p. 86-94 9 p.

Research output: Contribution to journalArticle

Hall mobility
Gas adsorption
nitrogen dioxide
nitrogen oxides
Nitrogen oxides
9 Citations

Ultrawide-Bandgap Semiconductors: Research Opportunities and Challenges

Tsao, J. Y. , Chowdhury, S. , Hollis, M. A. , Jena, D. , Johnson, N. M. , Jones, K. A. , Kaplar, R. J. , Rajan, S. , Van de Walle, C. G. , Bellotti, E. , Chua, C. L. , Collazo, R. , Coltrin, M. E. , Cooper, J. A. , Evans, K. R. , Graham, S. , Grotjohn, T. A. , Heller, E. R. , Higashiwaki, M. , Islam, M. S. & 13 others Juodawlkis, P. W., Khan, M. A., Koehler, A. D., Leach, J. H., Mishra, U. K., Nemanich, R. J., Pilawa-Podgurski, R. C. N., Shealy, J. B., Sitar, Z., Tadjer, M. J., Witulski, A. F., Wraback, M. & Simmons, J. A. Jan 1 2018 In : Advanced Electronic Materials. 4, 1, 1600501

Research output: Contribution to journalReview article

Energy gap
Semiconductor materials
Optoelectronic devices
2 Citations

Barrier-layer optimization for enhanced GaN-on-diamond device cooling

Zhou, Y., Anaya, J., Pomeroy, J., Sun, H., Gu, X., Xie, A., Beam, E., Becker, M., Grotjohn, T. A., Lee, C. & Kuball, M. 2017 In : ACS Applied Materials and Interfaces. 9, 39, p. 34416-34422 7 p.

Research output: Contribution to journalArticle

Growth temperature
Heat resistance
4 Citations

Effect of surface roughness and H–termination chemistry on diamond's semiconducting surface conductance

Wade, T., Geis, M. W., Fedynyshyn, T. H., Vitale, S. A., Varghese, J. O., Lennon, D. M., Grotjohn, T. A., Nemanich, R. J. & Hollis, M. A. Jun 1 2017 In : Diamond and Related Materials. 76, p. 79-85 7 p.

Research output: Contribution to journalArticle

Semiconducting diamonds
surface roughness
Surface roughness

RF characterization of coplanar waveguide (CPW) transmission lines on single-crystalline diamond platform for integrated high power RF electronic systems

He, Y., Becker, M., Grotjohn, T., Hardy, A., Muehle, M., Schuelke, T. & Papapolymerou, J. Oct 4 2017 2017 IEEE MTT-S International Microwave Symposium, IMS 2017. Institute of Electrical and Electronics Engineers Inc., p. 517-520 4 p. 8058613

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Coplanar waveguides
transmission lines
Electric lines