Research Outputs
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Search results
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Implications of gate-edge electric field in AlGaN/GaN high electron mobility transistors during OFF-state degradation
Sun, H., Montes Bajo, M., Uren, M. J. & Kuball, M. H. H., Dec 2014, In: Microelectronics Reliability. 54, 12, p. 2650-2655 6 p.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile11 Citations (Scopus)669 Downloads (Pure) -
Intentionally Carbon-Doped AlGaN/GaN HEMTs: Necessity for Vertical Leakage Paths
Uren, M. J., Silvestri, M., Caesar, M., Hurkx, G., Croon, J., Šonský, J. & Kuball, M., Mar 2014, In: IEEE Electron Device Letters. 35, 3, p. 327-329 3 p.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile116 Citations (Scopus)1294 Downloads (Pure) -
Investigation of the GaN-on-GaAs interface for vertical power device applications
Moereke, J., Uren, M. J., Novikov, S. V., Foxon, C. T., Hosseini Vajargah, S., Wallis, D. J., Humphreys, C. J., Haigh, S. J., Al-Khalidi, A., Wasige, E., Thayne, I. & Kuball, M. H. H., 7 Jul 2014, In: Journal of Applied Physics. 116, 1, p. 1 - 6 6 p., 014502.Research output: Contribution to journal › Article (Academic Journal) › peer-review
10 Citations (Scopus) -
Liquid crystal electrography: electric field mapping and detection of peak electric field strength in AlGaN/GaN high electron mobility transistors
Moereke, J., Hodges, C. J., Mears, L. L. E., Uren, M. J., Richardson, R. M. & Kuball, M. H. H., May 2014, In: Microelectronics Reliability. 54, 5, p. 921-925 5 p.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile4 Citations (Scopus)399 Downloads (Pure) -
Low thermal resistance GaN-on-diamond transistors characterized by three-dimensional Raman thermography mapping
Pomeroy, J. W., Bernardoni, M., Dumka, D., Fanning, D. & Kuball, M., 2014, In: Applied Physics Letters. 104, 4 p., 083513.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile162 Citations (Scopus)1114 Downloads (Pure) -
Need for Defects in Floating-Buffer AlGaN/GaN HEMTs
Uren, M. J., Silvestri, M., Caesar, M., Pomeroy, J. W., Hurkx, G., Croon, J., Šonský, J. & Kuball, M., 19 May 2014, Proceedings of 2014 International Conference on Compound Semiconductor Manufacturing Technology (CS MANTECH): May 19th - 22nd 2014, Denver, Colorado, USA. p. 317-319 3 p. 16.2Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
179 Downloads (Pure) -
Novel thermal management and its analysis in GaN electronics
Kuball, M., Calvo, J. A., Simon, R. B. & Pomeroy, J. W., 25 Mar 2014, 2014 Asia-Pacific Microwave Conference Proceedings, APMC 2014. Institute of Electrical and Electronics Engineers (IEEE), p. 920-922 3 p. 7067578Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
1 Citation (Scopus) -
Optimizing GaN-on-diamond transistor geometry for maximum output power
Pomeroy, J. W. & Kuball, M., 5 Dec 2014, Technical Digest - IEEE Compound Semiconductor Integrated Circuit Symposium, CSIC. Institute of Electrical and Electronics Engineers (IEEE), 6978572Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
9 Citations (Scopus) -
Probing temperature gradients within the GaN buffer layer of AlGaN/GaN high electron mobility transistors with Raman thermography
Hodges, C., Pomeroy, J. & Kuball, M., 14 Feb 2014, In: Journal of Applied Physics. 115, 6, 5 p., 064504.Research output: Contribution to journal › Article (Academic Journal) › peer-review
15 Citations (Scopus)44 Downloads (Pure) -
Thermal properties of AlGaN/GaN high electron mobility transistors on 4H and 6H SiC substrates
Killat, N., Pomeroy, J. W., Jimenez, J. L. & Kuball, M. H. H., 9 Dec 2014, In: physica status solidi (a). 211, 12, p. 2844-2847 4 p.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile9 Citations (Scopus)443 Downloads (Pure) -
Time evolution of off-state degradation of AlGaN/GaN high electron-mobility transistors
Montes Bajo, M., Sun, H., Uren, M. J. & Kuball, M. H. H., 2014, In: Applied Physics Letters. 104, 22, 5 p., 223506.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile23 Citations (Scopus)560 Downloads (Pure) -
Wafer-scale GaN HEMT performance enhancement by diamond substrate integration
Via, G. D., Felbinger, J. G., Blevins, J., Chabak, K., Jessen, G., Gillespie, J., Fitch, R., Crespo, A., Sutherlin, K., Poling, B., Tetlak, S., Gilbert, R., Cooper, T., Baranyai, R., Pomeroy, J. W., Kuball, M., Maurer, J. J. & Bar-Cohen, A., 2014, In: physica status solidi (c). 11, 3-4, p. 871-874 4 p.Research output: Contribution to journal › Article (Academic Journal) › peer-review
24 Citations (Scopus) -
Achieving the best thermal performance for GaN-on-diamond
Pomeroy, J., Bernardoni, M., Sarua, A., Manoi, A., Dumka, D. C., Fanning, D. M. & Kuball, M., 8 Nov 2013, Technical Digest - IEEE Compound Semiconductor Integrated Circuit Symposium, CSIC. 6659210Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
51 Citations (Scopus) -
AlGaN/GaN field effect transistors for power electronics: Effect of finite GaN layer thickness on thermal characteristics
Hodges, C., Anaya Calvo, J., Stoffels, S., Marcon, D. & Kuball, M., 12 Nov 2013, In: Applied Physics Letters. 103, 20, 4 p., 202108.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile21 Citations (Scopus)677 Downloads (Pure) -
Analysis of strained surface layers of ZnO single crystals after irradiation with intense femtosecond laser pulses
Schneider, A., Wolverson, D., Sebald, K., Hodges, C. J., Kuball, M. H. H. & Voss, T., May 2013, In: Applied Physics Letters.Research output: Contribution to journal › Article (Academic Journal) › peer-review
2 Citations (Scopus)4 Downloads (Pure) -
Electrical and thermal performance of AlGaN/GaN HEMTs on diamond substrate for RF applications
Dumka, D. C., Chou, T. M., Jimenez, J. L., Fanning, D. M., Francis, D., Faili, F., Ejeckam, F., Bernardoni, M., Pomeroy, J. W. & Kuball, M., 8 Nov 2013, Technical Digest - IEEE Compound Semiconductor Integrated Circuit Symposium, CSIC. 6659225Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
65 Citations (Scopus) -
GaN Buffer Design: Electrical Characterization and Prediction of the Effect of Deep Level Centers in GaN/AIGaN HEMTs
Silvestri, M., Uren, M. J., Marcon, D. & Kuball, M., 2013, Proceedings of 2013 International Conference on Compound Semiconductor Manufacturing Technology (CS MANTECH): May 13th - 16th 2013, New Orleans, Louisiana, USA. CS Mantech, p. 195-197 3 p.Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
2 Citations (Scopus)145 Downloads (Pure) -
Impact ionisation electroluminescence in planar GaAs-based heterostructure Gunn diodes: Spatial distribution and impact of doping nonuniformities
Montes Bajo, M., Dunn, G., Stephen, A., Khalid, A., Cumming, D. R. S., Oxley, C. H., Glover, J. & Kuball, M. H. H., 7 Apr 2013, In: Journal of Applied Physics. 113, 12, 6 p., 124505.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile12 Citations (Scopus)436 Downloads (Pure) -
Impact of intrinsic stress in diamond capping layers on the electrical behavior of AlGaN/GaN HEMTs
Wang, A., Tadjer, M. J., Anderson, T. J., Baranyai, R., Pomeroy, J. W., Feygelson, T. I., Hobart, K. D., Pate, B. B., Calle, F. & Kuball, M., 2013, In: IEEE Transactions on Electron Devices. 60, 10, p. 3149-3156 8 p., 6576123.Research output: Contribution to journal › Article (Academic Journal) › peer-review
42 Citations (Scopus) -
Improved GaN-on-SiC transistor thermal resistance by systematic nucleation layer growth optimization
Pomeroy, J., Rorsman, N., Chen, J. T., Forsberg, U., Janzen, E. & Kuball, M., 8 Nov 2013, Technical Digest - IEEE Compound Semiconductor Integrated Circuit Symposium, CSIC. 6659233Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
3 Citations (Scopus) -
Influence of microstructural defects on the thermal conductivity of GaN: A molecular dynamics study
Spiteri, D., Pomeroy, J. W. & Kuball, M., Aug 2013, In: physica status solidi (b). 250, 8, p. 1541-1545 5 p.Research output: Contribution to journal › Article (Academic Journal) › peer-review
13 Citations (Scopus) -
Iron-induced deep-level acceptor center in GaN/AlGaN high electron mobility transistors: Energy level and cross section
Silvestri, M., Uren, M. J. & Kuball, M., Feb 2013, In: Applied Physics Letters. 102, 7, 4 p., 073501.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile138 Citations (Scopus)688 Downloads (Pure) -
Localization of off-stress-induced damage in AlGaN/GaN high electron mobility transistors by means of low frequency 1/f noise measurements
Silvestri, M., Uren, M. J., Killat, N., Marcon, D. & Kuball, M., 23 Jul 2013, In: Applied Physics Letters. 103, 4, 4 p., 043506.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile50 Citations (Scopus)582 Downloads (Pure) -
Reliability of AlGaN/GaN high electron mobility transistors on low dislocation density bulk GaN substrate: Implications of surface step edges
Killat, N., Montes Bajo, M., Paskova, T., Evans, K. R., Leach, J., Li, X., Oezguer, U., Morkoc, H., Chabak, K. D., Crespo, A., Gillespie, J. K., Fitch, R., Kossler, M., Walker, D. E., Trejo, M., Via, G. D., Blevins, J. D. & Kuball, M., 4 Nov 2013, In: Applied Physics Letters. 103, 19, 4 p., 193507.Research output: Contribution to journal › Article (Academic Journal) › peer-review
24 Citations (Scopus) -
Buffer design to minimize current collapse in GaN/AlGaN HFETs
Uren, M. J., Moereke, J. & Kuball, M., Dec 2012, In: IEEE Transactions on Electron Devices. 59, 12, p. 3327-3333 7 p.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile322 Citations (Scopus)1880 Downloads (Pure)