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• Dynamic Transconductance Dispersion Characterization of Channel Hot-Carrier Stressed 0.25μm AlGaN/GaN HEMTs

  Silvestri, M., Uren, M. J. & Kuball, M., Nov 2012, In: IEEE Electron Device Letters. 33, 11, p. 1550-1552 3 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

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  24 Citations (Scopus)

  561 Downloads (Pure)

• Effect of gate shaping and consequent process changes on AlGaN/GaN HEMT reliability

  Moereke, J., Tapajna, M., Uren, M. J., Pei, Y., Mishra, U. & Kuball, M. H. H., Dec 2012, In: physica status solidi (a). 209, 12, p. 2646-2652 7 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

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  12 Citations (Scopus)

  426 Downloads (Pure)

• Novel Raman spectroscopy imaging in electronic devices: focus on device reliability

  Sarua, A., Pomeroy, J. W., Uren, M. J. & Kuball, M. H. H., 24 Jan 2012.

  Research output: Contribution to conference › Other Conference Contribution

• On the link between electroluminescence, gate current leakage, and surface defects in AlGaN/GaN high electron mobility transistors upon off-state stress

  Montes Bajo, M., Hodges, C., Uren, M. J. & Kuball, M., Jul 2012, In: Applied Physics Letters. 101, 3, 4 p., 033508.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

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  69 Citations (Scopus)

  535 Downloads (Pure)

• Optical investigation of degradation mechanisms in AlGaN/GaN high electron mobility transistors: Generation of non-radiative recombination centers

  Hodges, C. J., Killat, N., Kaun, S. W., Wong, M. H., Gao, F., Palacios, T., Mishra, U. K., Speck, J. S., Wolverson, D. & Kuball, M., 13 Mar 2012, In: Applied Physics Letters. 100, 11, 4 p., 112106.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

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  33 Citations (Scopus)

  399 Downloads (Pure)

• Origin of kink effect in AlGaN/GaN high electron mobility transistors: Yellow luminescence and Fe doping

  Killat, N., Uren, M. J., Wallis, D. J., Martin, T. & Kuball, M., 23 Oct 2012, In: Applied Physics Letters. 101, p. 153505 4 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  17 Citations (Scopus)

• Reduction of Impact Ionization in GaAs-Based Planar Gunn Diodes by Anode Contact Design

  Montes Bajo, M., Dunn, G., Stephen, A., Khalid, A., Li, C., Cumming, D., Oxley, C., Hopper, R. & Kuball, M., Mar 2012, In: IEEE Transactions on Electron Devices. 59, 3, p. 654-660 7 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

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  15 Citations (Scopus)

  471 Downloads (Pure)

• Evidence for impact ionisation in AlGaN/GaN HEMTs with InGaN back-barrier

  Killat, N., Tapajna, M., Faqir, M., Palacios, T. & Kuball, M., May 2011, In: Electronics Letters. 47, p. 405 - 405 1 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  34 Citations (Scopus)

• Field-effect saccharide sensing using AlGaN/GaN heterostructures and boronic acid based chemical receptors

  Schuller, T. A., Kuball, M., Flower, S. E., James, T. D., Fossey, J. S., Marcon, D., Das, J., Degroot, S., Germain, M. & Sarua, A., Dec 2011, In: Sensors and Actuators B: Chemical. 160, 1, p. 1078 - 1081 4 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  9 Citations (Scopus)

• Functionalised ALGaN/GaN Heterostructures for Electronic Saccharide Sensing (Invited)

  Sarua, A., Schuller, T., Kuball, M., Flower, S. E., James, T. D., Fossey, J. S., Das, J., Degroot, S. & Germain, M., 2011, International Conference on Nanotechnologies and Biomedical Engineering 2011, Chisinau Moldova.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• InN Thin Film Lattice Dynamics by Grazing Incidence Inelastic X-Ray Scattering

  Serrano, J., Bosak, A., Krisch, M., Manjon, F. J., Romero, A. H., Garro, N., Wang, X., Yoshikawa, A. & Kuball, M., May 2011, In: Physical Review Letters. 106, 20, p. 1-4 4 p., 205501 .

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  43 Citations (Scopus)

• Micro-Raman analysis of GaAs Schottky barrier solar cell

  Jothilakshmi, R., Ramakrishnan, V., Kumar, J., Sarua, A. & Kuball, M., Mar 2011, In: Journal of Raman Spectroscopy. 42, p. 422 - 428 7 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  1 Citation (Scopus)

• Micro-Raman spectroscopy as a voltage probe in AlGaN/GaN heterostructure devices: Determination of buffer resistances

  Simms, R. J. T., Uren, M. J., Martin, T., Powell, J., Forsberg, U., Lundskog, A., Kakanakova-Georgieva, A., Janzen, E. & Kuball, M., Jan 2011, In: Solid-State Electronics. 55, 1, p. 5-7 3 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  1 Citation (Scopus)

• Time-dependent thermal crosstalk in multifinger AlGaN/GaN HEMTs and implications on their electrical performance

  Manoi, A., Pomeroy, J. W., Lossy, R., Pazirandeh, R., Wuerfl, J., Uren, M. J., Martin, T. & Kuball, M., Mar 2011, In: Solid-State Electronics. 57, 1, p. 14-18 5 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  33 Citations (Scopus)

• Benchmarking of Thermal Boundary Resistance in AlGaN/GaN HEMTs on SiC Substrates: Implications of the Nucleation Layer Microstructure

  Manoi, A., Pomeroy, J., Killat, N. & Kuball, M., Dec 2010, In: IEEE Electron Device Letters. 31, 12, p. 1395 - 1397 3 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  169 Citations (Scopus)

• Converse piezoelectric strain in undoped and Fe-doped AlGaN/GaN heterostructure field effect transistors studied by Raman scattering

  Sarua, A., Ji, H., Pomeroy, J. W., Uren, M. J., Martin, T. & Kuball, M., Aug 2010, In: Semiconductor Science and Technology. 25, 8, p. 2-9 8 p., Article Number: 085004.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  12 Citations (Scopus)

• Demonstration of boron arsenide heterojunctions: A radiation hard wide band gap semiconductor device

  Gong, Y., Tapajna, M., Bakalova-Hadjikrasteva, S., Zhang, Y., Edgar, J., Zhang, Y., Dudley, M., Hopkins, M. & Kuball, M., May 2010, In: Applied Physics Letters. 96, p. 223506 - 223506 3 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  16 Citations (Scopus)

• Energy band structure and optical response function of icosahedral B(12)As(2): A spectroscopic ellipsometry and first-principles calculational study

  Bakalova-Hadjikrasteva, S., Cobet, C., Esser, N., Zhang, Y., Edgar, J., Zhang, Y., Dudley, M. & Kuball, M., Feb 2010, In: Physical Review B: Condensed Matter and Materials Physics. 81, p. 075114 - 075114 10 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  22 Citations (Scopus)

• Importance of impurity diffusion for early stage degradation in AlGaN/GaN high electron mobility transistors upon electrical stress

  Tapajna, M., Mishra, U. & Kuball, M., Jul 2010, In: Applied Physics Letters. 97, p. 023503 - 023503 3 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  46 Citations (Scopus)

• Integrated Optical and Electrical Analysis: Identifying Location and Properties of Traps in AlGaN/GaN HEMTs During Electrical Stress

  Tapajna, M., Simms, R. J. T., Pei, Y., Mishra, U. K. & Kuball, M., Jul 2010, In: IEEE Electron Device Letters. 31, 7, p. 662 - 664 3 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  135 Citations (Scopus)

• Raman spectroscopic studies of vibrational relaxation and non-coincidence effect in substituted benzaldehyde binary mixtures

  Ramakrishnan, V., Sarua, A., Kuball, M. & Abdullah, A. F., Mar 2010, In: Journal of Raman Spectroscopy. 41, p. 320 - 324 5 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  8 Citations (Scopus)

• Surface charge lithography for GaN nano-scale device fabrication

  Sarua, A., Schuller, T., Kuball, M., Popa, V., Volciuc, O., Tiginyanu, I., Heard, P., Das, J., Degroote, S. & Germain, M., Apr 2010, 2nd International Workshop on FIB for Photonics, Cambridge, UK.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• Temperature analysis of AlGaN/GaN based devices using photoluminescence spectroscopy: Challenges and comparison to Raman thermography

  Batten, T., Manoi, A., Uren, M. J., Martin, T. & Kuball, M., 1 Apr 2010, In: Journal of Applied Physics. 107, 7, p. - 5 p., 074502.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  35 Citations (Scopus)

• Thermal conductivity and Seebeck coefficients of icosahedral boron arsenide films on silicon carbide

  Gong, Y., Zhang, Y., Dudley, M., Zhang, Y., Edgar, J., Heard, P. & Kuball, M., Aug 2010, In: Journal of Applied Physics. 108, p. 084906-1 - 084906-7 7 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  15 Citations (Scopus)

• Wall Shear Stress and Near-Wall Convective Transport: Comparisons with Vascular Remodelling in a Peripheral Graft Anastomosis

  Gambaruto, A., Doorly, D. & Yamaguchi, T., Jul 2010, In: Journal of Computational Physics. 229, 14, p. 5339-5356 18 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

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  34 Citations (Scopus)

  532 Downloads (Pure)