Manufacturing of nano-engineered III-nitride semiconductors

Research output

Research output per year 2016 2017 2018 2020 2023

• 32 Article
• 2 Conference article

Research output per year

Research output per year

Search results

• 2023

  Core-shell nanorods as ultraviolet light emitting diodes

  Cameron, D., Coulon, P-M., Fairclough, S., Kusch, G., Edwards, P. R., Susilo, N., Wernicke, T., Kneissl, M., Oliver, R. A., Shields, P. A. & Martin, R. W., 22 Feb 2023, In: Nano Letters. 23, 4, p. 1451–1458 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Light-Emitting Diode 100%
  • Ultraviolet Light 100%
  • Nanorods 100%
  • Core-Shell 100%
  • Cores 100%
  3 Citations (Scopus)

  39 Downloads (Pure)
• 2022

  Non-destructive imaging of residual strains in GaN and their effect on optical and electrical properties using correlative light–electron microscopy

  Naresh-Kumar, G., Edwards, P. R., Batten, T., Nouf-Allehiani, M., Vilalta-Clemente, A., Wilkinson, A. J., Le Boulbar, E., Shields, P. A., Starosta, B., Hourahine, B., Martin, R. W. & Trager-Cowan, C., 21 Feb 2022, In: Journal of Applied Physics. 131, 7, 9 p., 075303.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Residual Strain 100%
  • Electrical Properties 100%
  • Microscopy 100%
  • Strain 100%
  • Growth 100%
  2 Citations (Scopus)

  35 Downloads (Pure)
• 2021

  A systematic comparison of polar and semipolar Si-doped AlGaN alloys with high AlN content

  Spasevski, L., Kusch, G., Pampili, P., Zubialevich, V. Z., Dinh, D. V., Bruckbauer, J., Edwards, P. R., Parbrook, P. J. & Martin, R. W., 31 Jan 2021, In: Journal of Physics D: Applied Physics. 54, 3, 12 p., 035302.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Aluminum Nitride 100%
  • Alloy 100%
  • Sapphire 66%
  • Cathodoluminescence Spectroscopy 66%
  • Characterization 66%
  11 Citations (Scopus)

  31 Downloads (Pure)
• 2020

  Electrical properties of (11-22) Si:AlGaN layers at high Al contents grown by metal-organic vapor phase epitaxy

  Foronda, H. M., Hunter, D. A., Pietsch, M., Sulmoni, L., Muhin, A., Graupeter, S., Susilo, N., Schilling, M., Enslin, J., Irmscher, K., Martin, R. W., Wernicke, T. & Kneissl, M., 30 Nov 2020, In: Applied Physics Letters. 117, 22, 5 p., 221101.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Electrical Property 100%
  • Organic Metal 100%
  • Concentration 100%
  • Vapor Phase Epitaxy 100%
  • Aluminum 100%
  15 Citations (Scopus)

  21 Downloads (Pure)

• Influence of micro-patterning of the growth template on defect reduction and optical properties of non-polar (11-20) GaN

  Bruckbauer, J., Gong, Y., Jiu, L., Wallace, M. J., Ipsen, A., Bauer, S., Müller, R., Bai, J., Thonke, K., Wang, T., Trager-Cowan, C. & Martin, R. W., 20 Oct 2020, In: Journal of Physics D: Applied Physics. 54, 2, 7 p., 025107.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Growth 100%
  • Optical Properties 100%
  • Defects 100%
  • Optical Property 100%
  • Defect 100%
  4 Citations (Scopus)

  36 Downloads (Pure)

• Creation of regular arrays of faceted AlN nanostructures via a combined topdown, bottom-up approach

  Armstrong, R., Coulon, P-M., Bozinakis, P., Martin, R. W. & Shields, P. A., 15 Oct 2020, In: Journal of Crystal Growth. 548, 125824.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Arrays 100%
  • Aluminium 100%
  • Aluminum Nitride 100%
  • Nanocrystalline Material 100%
  • Bottom-up Approach 100%
  5 Citations (Scopus)

  27 Downloads (Pure)

• The 2020 UV emitter roadmap

  Amano, H., Collazo, R., De Santi, C., Einfeldt, S., Funato, M., Glaab, J., Hagedorn, S., Hirano, A., Hirayama, H., Ishii, R., Kashima, Y., Kawakami, Y., Kirste, R., Kneissl, M., Martin, R., Mehnke, F., Meneghini, M., Ougazzaden, A., Parbrook, P. J., Rajan, S., & 16 othersReddy, P., Römer, F., Ruschel, J., Sarkar, B., Scholz, F., Schowalter, L. J., Shields, P., Sitar, Z., Sulmoni, L., Wang, T., Wernicke, T., Weyers, M., Witzigmann, B., Wu, Y-R., Wunderer, T. & Zhang, Y., 15 Sept 2020, In: Journal of Physics D: Applied Physics. 53, 50, 57 p., 503001.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • UV/VIS Spectroscopy 100%
  • Band Gap 42%
  • Material 42%
  • Engineering Process 28%
  • Laser Diode 28%
  347 Citations (Scopus)

  60 Downloads (Pure)

• Metrology of crystal defects through intensity variations in secondary electrons from the diffraction of primary electrons in a scanning electron microscope

  Naresh-Kumar, G., Alasamari, A., Kusch, G., Edwards, P. R., Martin, R. W., Mingard, K. P. & Trager-Cowan, C., 30 Jun 2020, In: Ultramicroscopy. 213, 26 p., 112977.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Metrology 100%
  • Diffraction 100%
  • Variations 100%
  • Electrons 100%
  • Crystal Defect 100%
  4 Citations (Scopus)

  38 Downloads (Pure)

• Structural and luminescence imaging and characterisation of semiconductors in the scanning electron microscope

  Trager-Cowan, C., Alasmari, A., Avis, W., Bruckbauer, J., Edwards, P. R., Ferenczi, G., Hourahine, B., Kotzai, A., Kraeusel, S., Kusch, G., Martin, R. W., McDermott, R., Gunasekar, N., Nouf-Allehiani, M., Pascal, E., Thomson, D., Vespucci, S., Smith, M. D., Parbrook, P. J., Enslin, J., & 17 othersMehnke, F., Kuhn, C., Wernicke, T., Kneissl, M., Hagedorn, S., Knauer, A., Walde, S., Weyers, M., Coulon, P-M., Shields, P., Bai, J., Gong, Y., Jiu, L., Zhang, Y., Smith, R., Wang, T. & Winkelmann, A., 25 Mar 2020, In: Semiconductor Science and Technology. 35, 5, 15 p., 054001.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Scanning Electron Microscopy 100%
  • Semiconductor Material 100%
  • Luminescence 100%
  • Cathodoluminescence 100%
  • Characterization 100%
  7 Citations (Scopus)

  35 Downloads (Pure)

• AlN overgrowth of nano-pillar-patterned sapphire with different offcut angle by metalorganic vapor phase epitaxy

  Walde, S., Hagedorn, S., Coulon, P-M., Mogilatenko, A., Netzel, C., Weinrich, J., Susilo, N., Ziffer, E., Matiwe, L., Hartmann, C., Kusch, G., Alasmari, A., Naresh-Kumar, G., Trager-Cowan, C., Wernicke, T., Straubinger, T., Bickermann, M., Martin, R. W., Shields, P. A., Kneissl, M., & 1 othersWeyers, M., 1 Feb 2020, In: Journal of Crystal Growth. 531, 6 p., 125343.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Vapor Phase Epitaxy 100%
  • Aluminum Nitride 100%
  • Metalorganic Vapor Phase Epitaxy 100%
  • Sapphire 100%
  • Dislocation 25%
  14 Citations (Scopus)

  29 Downloads (Pure)

• Luminescence behavior of semipolar (10-11) InGaN/GaN "bow-tie" structures on patterned Si substrates

  Bruckbauer, J., Trager-Cowan, C., Hourahine, B., Winkelmann, A., Vennéguès, P., Ipsen, A., Yu, X., Zhao, X., Wallace, M. J., Edwards, P. R., Naresh-Kumar, G., Hocker, M., Bauer, S., Müller, R., Bai, J., Thonke, K., Wang, T. & Martin, R. W., 17 Jan 2020, In: Journal of Applied Physics. 127, 3, 8 p., 035705.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Substrates 100%
  • Luminescence 100%
  • Dislocation 100%
  • Luminiscence Type 100%
  • Multiple Quantum Well 62%
  2 Citations (Scopus)

  27 Downloads (Pure)
• 2019

  Scanning electron microscopy as a flexible tool for investigating the properties of UV-emitting nitride semiconductor thin films

  Trager-Cowan, C., Alasmari, A., Avis, W., Bruckbauer, J., Edwards, P. R., Hourahine, B., Kraeusel, S., Kusch, G., Johnston, R., Naresh-Kumar, G., Martin, R. W., Nouf-Allehiani, M., Pascal, E., Spasevski, L., Thomson, D., Vespucci, S., Parbrook, P. J., Smith, M. D., Enslin, J., Mehnke, F., & 16 othersKneissl, M., Kuhn, C., Wernicke, T., Hagedorn, S., Knauer, A., Kueller, V., Walde, S., Weyers, M., Coulon, P-M., Shields, P. A., Zhang, Y., Jiu, L., Gong, Y., Smith, R. M., Wang, T. & Winkelmann, A., 30 Oct 2019, In: Photonics Research. 7, 11, p. B73-B82 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Scanning Electron Microscopy 100%
  • Semiconductor 100%
  • Thin Films 100%
  • Nitride Semiconductor 100%
  • Microscopy 50%
  9 Citations (Scopus)

  30 Downloads (Pure)

• Determining GaN nanowire polarity and its influence on light emission in the scanning electron microscope

  Naresh-Kumar, G., Bruckbauer, J., Winkelmann, A., Yu, X., Hourahine, B., Edwards, P. R., Wang, T., Trager-Cowan, C. & Martin, R. W., 12 Jun 2019, In: Nano Letters. 19, 6, p. 3863-3870 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Polarity 100%
  • Scanning Electron Microscopy 100%
  • Nanowire 100%
  • Molecular Wire 100%
  • Electron Backscatter Diffraction 40%
  14 Citations (Scopus)

  39 Downloads (Pure)

• Influence of InN and AlN concentration on the compositional inhomogeneity and formation of InN-rich regions in In_xAl_yGa_1−x−yN

  Kusch, G., Enslin, J., Spasevski, L., Teke, T., Wernicke, T., Edwards, P. R., Kneissl, M. & Martin, R. W., 1 Jun 2019, In: Japanese Journal of Applied Physics. 58, SC, 6 p., SCCB18.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Concentration 100%
  • Phase Composition 100%
  • Energy 100%
  • Aluminum Nitride 100%
  • Flow 66%
  3 Citations (Scopus)

  23 Downloads (Pure)

• Monolithic multiple colour emission from InGaN grown on patterned non-polar GaN

  Gong, Y., Jiu, L., Bruckbauer, J., Bai, J., Martin, R. W. & Wang, T., 30 Jan 2019, In: Scientific Reports. 9, 1, 7 p., 986.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Colour 100%
  • Emission 100%
  • Flat Surfaces 100%
  • Color 100%
  • Multiple Quantum Well 42%
  7 Citations (Scopus)

  27 Downloads (Pure)
• 2018

  Deep UV emission from highly ordered AlGaN/AlN core-shell nanorods

  Coulon, P. M., Kusch, G., Martin, R. W. & Shields, P. A., 6 Sept 2018, In: ACS Applied Materials and Interfaces. 10, 39, p. 33441-33449 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Nanorods 100%
  • Aluminum Nitride 100%
  • Nanocrystalline Material 30%
  • Lithography 20%
  • Metal 10%
  30 Citations (Scopus)

  61 Downloads (Pure)

• Imaging basal plane stacking faults and dislocations in (11-22) GaN using electron channelling contrast imaging

  Naresh-Kumar, G., Thomson, D., Zhang, Y., Bai, J., Jiu, L., Yu, X., Gong, Y. P., Martin, R. S., Wang, T. & Trager-Cowan, C., 10 Aug 2018, (E-pub ahead of print) In: Journal of Applied Physics. 124, 6, 6 p., 065301.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Plane 100%
  • Electrons 100%
  • Contrast 100%
  • Dislocation 100%
  • Stacking Fault 100%
  6 Citations (Scopus)

  35 Downloads (Pure)

• Hybrid top-down/bottom-up fabrication of a highly uniform and organized faceted AlN nanorod scaffold

  Coulon, P. M., Kusch, G., Fletcher, P., Chausse, P., Martin, R. W. & Shields, P. A., 5 Jul 2018, In: Materials. 11, 7, 12 p., 1140.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Scaffold 100%
  • Hybrid 100%
  • Fabrication 100%
  • Nanorods 100%
  • Nanorod 100%
  13 Citations (Scopus)

  32 Downloads (Pure)

• Hybrid top-down/bottom-up fabrication of regular arrays of AlN nanorods for deep-UV core–shell LEDs

  Coulon, P-M., Kusch, G., Le Boulbar, E. D., Chausse, P., Bryce, C., Martin, R. W. & Shields, P. A., 31 May 2018, In: Physica Status Solidi (B) Basic Research. 255, 5, 9 p., 1700445.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Light-Emitting Diode 100%
  • Hybrid 100%
  • Fabrication 100%
  • Nanorods 100%
  • Arrays 100%
  16 Citations (Scopus)

  46 Downloads (Pure)

• Cathodoluminescence studies of chevron features in semi-polar (11-22) InGaN/GaN multiple quantum well structures

  Brasser, C., Bruckbauer, J., Gong, Y. P., Jiu, L., Bai, J., Warzecha, M., Edwards, P. R., Wang, T. & Martin, R. W., 1 May 2018, In: Journal of Applied Physics. 123, 7 p., 174502.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Multiple Quantum Well 100%
  • Region 100%
  • Cathodoluminescence 100%
  • Quantum Well 100%
  • Devices 66%
  12 Citations (Scopus)

  51 Downloads (Pure)
• 2017

  Quantum well engineering in InGaN/GaN core-shell nanorod structures

  Bryce, C. G., Le Boulbar, E. D., Coulon, P-M., Edwards, P. R., Gîrgel, I., Allsopp, D. W. E., Shields, P. A. & Martin, R. W., 27 Sept 2017, In: Journal of Physics D: Applied Physics. 50, 42, 6 p., 42LT01.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cores 100%
  • Quantum Wells 100%
  • Growth 100%
  • Nanorod 100%
  • Nanorods 100%
  7 Citations (Scopus)

  74 Downloads (Pure)

• Spatially-resolved optical and structural properties of semi-polar (11-22) Al_xGa_1-xN with x up to 0.56

  Bruckbauer, J., Li, Z., Naresh-Kumar, G., Warzecha, M., Edwards, P. R., Jiu, L., Gong, Y., Bai, J., Wang, T., Trager-Cowan, C. & Martin, R. W., 7 Sept 2017, In: Scientific Reports. 7, 10 p., 10804.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Stacking Fault 100%
  • Density 100%
  • Structural Property 100%
  • Plane 100%
  • Emission 100%
  11 Citations (Scopus)

  167 Downloads (Pure)

• Design and fabrication of enhanced lateral growth for dislocation reduction in GaN using nanodashes

  Le Boulbar, E. D., Priesol, J., Nouf-Allehiani, M., Naresh-Kumar, G., Fox, S., Trager-Cowan, C., Šatka, A., Allsopp, D. W. E. & Shields, P. A., 15 May 2017, In: Journal of Crystal Growth. p. 30-38 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Fabrication 100%
  • Growth 100%
  • Dislocation 100%
  • Density 50%
  • Flat Surfaces 21%
  9 Citations (Scopus)

  135 Downloads (Pure)

• Diffraction effects and inelastic electron transport in angle-resolved microscopic imaging applications

  Winkelmann, A., Nolze, G., Vespucci, S., Gunasekar, N., Trager-Cowan, C., Vilalta-Clemente, A., Wilkinson, A. J. & Vos, M., 5 May 2017, (E-pub ahead of print) In: Journal of Microscopy. 17 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Utilization 100%
  • Diffraction 100%
  • Electrons 100%
  • Electron Transport 100%
  • Application 100%
  13 Citations (Scopus)

  230 Downloads (Pure)

• Structural impact on the nanoscale optical properties of InGaN core-shell nanorods

  Griffiths, J. T., Ren, C. X., Coulon, P-M., Le Boulbar, E. D., Bryce, C. G., Girgel, I., Howkins, A., Boyd, I., Martin, R. W., Allsopp, D. W. E., Shields, P. A., Humphreys, C. J. & Oliver, R. A., 28 Apr 2017, In: Applied Physics Letters. 110, 5 p., 172105.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cores 100%
  • Nanorod 100%
  • Optical Properties 100%
  • Nanoscale 100%
  • Impact 100%
  22 Citations (Scopus)

  160 Downloads (Pure)

• Exploring transmission Kikuchi diffraction using a Timepix detector

  Vespucci, S., Winkelmann, A., Mingard, K., Maneuski, D., O'Shea, V. & Trager-Cowan, C., 27 Feb 2017, In: Journal of Instrumentation. 12, 9 p., C02075.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Diffraction 100%
  • Detector 100%
  • Scanning Electron Microscopy 66%
  • Electron 66%
  • Electrons 55%
  11 Citations (Scopus)

  96 Downloads (Pure)

• Optical investigation of semi-polar (11-22) AlxGa1-xN with high Al composition

  Li, Z., Wang, L., Jiu, L., Bruckbauer, J., Gong, Y., Zhang, Y., Bai, J., Martin, R. W. & Wang, T., 27 Feb 2017, In: Applied Physics Letters. 110, 9, 5 p., 091102.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Position (Location) 100%
  • Plane 75%
  • Emission 50%
  • Population Inversion 25%
  • Fabrication 25%
  11 Citations (Scopus)

  95 Downloads (Pure)

• Evolution of the m-plane quantum well morphology and composition within a GaN/InGaN core–shell structure

  Coulon, P-M., Vajargah, S. H., Bao, A., Edwards, P. R., Le Boulbar, E. D., Girgel, I., Martin, R. W., Humphreys, C. J., Oliver, R. A., Allsopp, D. W. E. & Shields, P. A., 1 Feb 2017, In: Crystal Growth and Design. 17, 2, p. 474-482 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Quantum Well 100%
  • Growth Mode 100%
  • Indium 60%
  • Core-Shell 60%
  • Shell Layer 40%
  11 Citations (Scopus)

  38 Downloads (Pure)
• 2016

  Reprint of: Electron channelling contrast imaging for III-nitride thin film structures

  Naresh-Kumar, G., Thomson, D., Nouf-Allehiani, M., Bruckbauer, J., Edwards, P. R., Hourahine, B., Martin, R. W. & Trager-Cowan, C., 15 Nov 2016, In: Materials Science in Semiconductor Processing. 55, p. 19-25 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Electrons 100%
  • Thin Films 100%
  • Contrast 100%
  • Electron 100%
  • Electron Particle 100%
  19 Downloads (Pure)

• Electron channelling contrast imaging for III-nitride thin film structures

  Naresh-Kumar, G., Thomson, D., Nouf-Allehiani, M., Bruckbauer, J., Edwards, P. R., Hourahine, B., Martin, R. W. & Trager-Cowan, C., 1 Jun 2016, In: Materials Science in Semiconductor Processing. 47, p. 44-50 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Electrons 100%
  • Thin Films 100%
  • Contrast 100%
  • Electron 100%
  • Scanning Electron Microscopy 100%
  20 Citations (Scopus)

  134 Downloads (Pure)

• Structural and optical emission uniformity of m-plane InGaN single quantum wells in core-shell nanorods

  Le Boulbar, E. M. D., Edwards, P. R., Vajargah, S. H., Griffiths, I., Gîrgel, I., Coulon, P. . M., Cherns, D., Martin, R. W., Humphreys, C. J., Bowen, C. R., Allsopp, D. W. E. & Shields, P. A., 6 Apr 2016, In: Crystal Growth and Design. 16, 4, p. 1907–1916 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cores 100%
  • Quantum Wells 100%
  • Light Emission 100%
  • Plane 100%
  • Nanorod 100%
  24 Citations (Scopus)

  53 Downloads (Pure)

• Investigation of indium gallium nitride facet-dependent nonpolar growth rates and composition for core–shell light-emitting diodes

  Gîrgel, I., Edwards, P. R., Le Boulbar, E., Coulon, P-M., Sahonta, S-L., Allsopp, D. W. E., Martin, R. W., Humphreys, C. J. & Shields, P. A., 7 Mar 2016, In: Journal of Nanophotonics. 10, 1, 11 p., 016010.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Phase Composition 100%
  • Nitride 100%
  • Gallium 100%
  • Indium 100%
  • Light-Emitting Diode 100%
  18 Citations (Scopus)

  154 Downloads (Pure)