Find Research Outputs

Search concepts
Selected filters

Publication Year

  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • 2012
  • 2011

Author

  • Robert Martin
2020

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 others, Weyers, M., 1 Feb 2020, In : Journal of Crystal Growth. 531, 6 p., 125343.

Research output: Contribution to journalArticle

1 Citation (Scopus)

A poly(urethane)-encapsulated benzo[2,3-d:6,7-d']diimidazole organic down-converter for green hybrid LEDs

Wiles, A. A., Bruckbauer, J., Mohammed, N., Cariello, M., Cameron, J., Findlay, N. J., Taylor-Shaw, E., Wallis, D. J., Martin, R. W., Skabara, P. J. & Cooke, G., 1 Mar 2020, In : Materials Chemistry Frontiers . 4, 3, p. 1006-1012 7 p.

Research output: Contribution to journalArticle

Open Access
File

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 journalArticle

Open Access
File

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 others, Mehnke, 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 journalArticle

Open Access
File

The g-factor of CuGaSe2 studied by circularly polarised magneto-reflectance

Yakushev, M. V., Sulimov, M. A., Faugeras, C., Mudryi, A. V. & Martin, R. W., 19 Feb 2020, In : Journal of Physics D: Applied Physics. 53, 4 p., 17LT02.

Research output: Contribution to journalArticle

2019

A luminescence study of Cu2ZnSnSe4/Mo/glass films and solar cells with near stoichiometric copper content

Yakushev, M. V., Sulimov, M. A., Márquez-Prieto, J., Forbes, I., Edwards, P. R., Zhivulko, V. D., Borodavchenko, O. M., Mudryi, A. V., Krustok, J. & Martin, R. W., 30 Jan 2019, In : Journal of Physics D: Applied Physics. 52, 5, 10 p., 055502.

Research output: Contribution to journalArticle

Open Access
File

A magneto‐reflectivity study of CuGaSe2 single crystals

Yakushev, M. V., Mudryi, A. V., Faugeras, C. & Martin, R. W., 28 Feb 2019, In : Physica Status Solidi (RRL) - Rapid Research Letters . 13, 2, 4 p., 1800374.

Research output: Contribution to journalLetter

Open Access
File
2 Citations (Scopus)

A magneto‐reflectivity study of CuInTe2 single crystals

Yakushev, M. V., Faugeras, C., Mudryi, A. V. & Martin, R. W., 31 Aug 2019, In : Physica Status Solidi B. 4 p.

Research output: Contribution to journalArticle

A PL and PLE Study of High Cu Content Cu2ZnSnSe4 Films on Mo/Glass and Solar Cells

Sulimov, M. A., Yakushev, M. V., Forbes, I., Prieto, J. M., Mudryi, A. V., Krustok, J., Edwards, P. R. & Martin, R. W., 1 May 2019, In : Physics of the Solid State. 61, 5, p. 908-917 10 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
Open Access
File
1 Citation (Scopus)
12 Downloads (Pure)

Effects of selenisation temperature on photoluminescence and photoluminescence excitation spectra of ZnO/CdS/Cu2ZnSnSe4/Mo/glass

Sulimov, M. A., Yakushev, M. V., Márquez-Prieto, J., Forbes, I., Edwards, P. R., Zhivulko, V. D., Borodavchenko, O. M., Mudryi, A. V., Krustok, J. & Martin, R. W., 28 Feb 2019, In : Thin Solid Films. 672, p. 146-151 6 p.

Research output: Contribution to journalArticle

Open Access
File

Electronic energy band parameters of CuInSe2: Landau levels in magnetotransmission spectra

Yakushev, M. V., Rodina, A. V., Seisyan, R. P., Kitaev, Y. E., Vaganov, S. A., Abdullaev, M. A., Mudryi, A. V., Kuznetsova, T. V., Faugeras, C. & Martin, R. W., 17 Dec 2019, In : Physical Review B: Condensed Matter and Materials Physics. 100, 23, 6 p., 235202.

Research output: Contribution to journalArticle

Open Access
File

Excitons in PL Spectra of Cu(In,Ga)Se2 Single Crystals

Skidchenko, E., Yakushev, M. V., Spasevski, L., Edwards, P. R., Sulimov, M. A. & Martin, R. W., 1 May 2019, In : Physics of the Solid State. 61, 5, p. 918-924 7 p.

Research output: Contribution to journalArticle

Implementing fluorescent MOFs as down-converting layers in hybrid light-emitting diodes

Angioni, E., Marshall, R. J., Findlay, N. J., Bruckbauer, J., Breig, B., Wallis, D. J., Martin, R. W., Forgan, R. S. & Skabara, P. J., 28 Feb 2019, In : Journal of Materials Chemistry. C . 7, 8, p. 2394-2400 7 p.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
9 Downloads (Pure)

Indium incorporation in quaternary Inx Aly Ga1-x-y N for UVB-LEDs

Enslin, J., Wernicke, T., Lobanova, A., Kusch, G., Spasevski, L., Teke, T., Belde, B., Martin, R. W., Talalaev, R. & Kneissl, M., 16 Apr 2019, In : Japanese Journal of Applied Physics. 58, SC, 5 p., SC1004.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
1 Downloads (Pure)

Influence of InN and AlN concentration on the compositional inhomogeneity and formation of InN-rich regions in InxAlyGa1−xyN

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 journalArticle

Open Access
File
11 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 journalArticle

Open Access
File
1 Citation (Scopus)
8 Downloads (Pure)

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 others, Kneissl, 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 journalArticle

Open Access
File
1 Citation (Scopus)

The band structure of CuInTe2 studied by optical reflectivity

Yakushev, M. V., Mudryi, A. V., Kärber, E., Edwards, P. R. & Martin, R. W., 13 Feb 2019, In : Applied Physics Letters. 114, 6, 4 p., 062103.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
8 Downloads (Pure)
2018

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 journalArticle

Open Access
File
1 Citation (Scopus)
28 Downloads (Pure)
Open Access
File
6 Downloads (Pure)

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

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

Research output: Contribution to journalArticle

Open Access
File
9 Citations (Scopus)
22 Downloads (Pure)

Effects of Ar+ etching of Cu2ZnSnSe4 thin films: an x-ray photoelectron spectroscopy and photoluminescence study

Yakushev, M. V., Sulimov, M. A., Skidchenko, E., Márquez-Prieto, J., Forbes, I., Edwards, P. R., Kuznetsov, M. V., Zhivulko, V. D., Borodavchenko, O. M., Mudryi, A. V., Krustok, J. & Martin, R. W., 2 Nov 2018, In : Journal of Vacuum Science and Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena. 36, 8 p., 061208.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
8 Downloads (Pure)

GaN/AlGaN multiple quantum wells grown on transparent and conductive (-201)-oriented β-Ga2O3 substrate for UV vertical light emitting devices

Ajia, I. A., Yamashita, Y., Lorenz, K., Muhammed, M. M., Spasevski, L., Almalawi, D., Xu, J., Iizuka, K., Morishima, Y., Anjum, D. H., Wei, N., Martin, R. W., Kuramata, A. & Roqan, I. S., 20 Aug 2018, In : Applied Physics Letters. 113, 8, 5 p., 082102.

Research output: Contribution to journalArticle

Open Access
File
12 Citations (Scopus)
5 Downloads (Pure)

Generated carrier dynamics in V-pit enhanced InGaN/GaN light emitting diode

Ajia, I. A., Edwards, P. R., Pak, Y., Belekov, E., Roldan, M. A., Wei, N., Liu, Z., Martin, R. W. & Roqan, I. S., 21 Mar 2018, In : ACS Photonics. 5, 3, p. 820-826 7 p.

Research output: Contribution to journalArticle

Open Access
File
15 Citations (Scopus)
17 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 journalArticle

Open Access
File
4 Citations (Scopus)
7 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 journalArticle

Open Access
File
6 Citations (Scopus)
19 Downloads (Pure)

Multi-wavelength emission from a single InGaN/GaN nanorod analyzed by cathodoluminescence hyperspectral imaging

Kusch, G., Conroy, M., Li, H., Edwards, P. R., Zhao, C., Ooi, B. S., Pugh, J., Cryan, M. J., Parbrook, P. J. & Martin, R. W., 29 Jan 2018, In : Scientific Reports. 8, 1, 8 p., 1742.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
24 Downloads (Pure)

Stimulated emission and optical properties of solid solutions of Cu(In,Ga)Se2 direct band gap semiconductors

Svitsiankou, I. E., Pavlovskii, V. N., Lutsenko, E. V., Yablonskii, G. P., Mudryi, A. V., Borodavchenko, O. M., Zhivulko, V. D., Yakushev, M. V. & Martin, R., 31 May 2018, In : Journal of Applied Spectroscopy. 85, 2, p. 267-273 7 p.

Research output: Contribution to journalArticle

Open Access
File
10 Downloads (Pure)
Open Access
File
8 Downloads (Pure)
2017

Analysis of doping concentration and composition in wide bandgap AlGaN:Si by wavelength dispersive X-ray spectroscopy

Kusch, G., Mehnke, F., Enslin, J., Edwards, P. R., Wernicke, T., Kneissl, M. & Martin, R. W., 13 Feb 2017, In : Semiconductor Science and Technology. 32, 3, 7 p., 035020.

Research output: Contribution to journalArticle

Open Access
File
7 Citations (Scopus)
114 Downloads (Pure)

Characteristics of GaN-based light emitting diodes with different thicknesses of buffer layer grown by HVPE and MOCVD

Tian, P., Edwards, P. R., Wallace, M. J., Martin, R. W., McKendry, J. J. D., Gu, E., Dawson, M. D., Qiu, Z-J., Jia, C., Chen, Z., Zhang, G., Zheng, L. & Liu, R., 23 Jan 2017, In : Journal of Physics D: Applied Physics. 50, 7, 12 p., 075101.

Research output: Contribution to journalArticle

Open Access
File
7 Citations (Scopus)
102 Downloads (Pure)

Charge carrier localised in zero-dimensional (CH3NH3)3Bi2I9 clusters

Ni, C., Hedley, G. J., Payne, J., Svrcek, V., McDonald, C., Jagadamma, L. K., Edwards, P., Martin, R., Jain, G., Carolan, D., Mariotti, D., Maguire, P., Samuel, I. & Irvine, J., 1 Aug 2017, In : Nature Communications. 8, 7 p., 170.

Research output: Contribution to journalArticle

Open Access
File
26 Citations (Scopus)
45 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 journalArticle

Open Access
File
5 Citations (Scopus)
24 Downloads (Pure)

Influence of the copper content on the optical properties of CZTSe thin films

Yakushev, M. V., Sulimov, M. A., Márquez-Prieto, J., Forbes, I., Krustok, J., Edwards, P. R., Zhivulko, V. D., Borodavchenko, O. M., Mudryi, A. V. & Martin, R. W., 1 Aug 2017, In : Solar Energy Materials and Solar Cells. 168, p. 69-77 9 p.

Research output: Contribution to journalArticle

Open Access
File
20 Citations (Scopus)
9 Downloads (Pure)

Influence of the growth method on the photoluminescence spectra and electronic properties of CuInS2 single crystals

Mudryi, A. V., Yakushev, M. V., Volkov, V. A., Zhivulko, V. D., Borodavchenko, O. M. & Martin, R. W., 30 Jun 2017, In : Journal of Luminescence. 186, p. 123-126 4 p.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
17 Downloads (Pure)

In-rich AlxIn1−xN grown by RF-sputtering on sapphire: from closely-packed columnar to high-surface quality compact layers

Núñez-Cascajero, A., Valdueza-Felip, S., Monteagudo-Lerma, L., Monroy, E., Taylor-Shaw, E., Martin, R. W., González-Herráez, M. & Naranjo, F. B., 11 Jan 2017, In : Journal of Physics D: Applied Physics. 50, 6, 9 p., 065101.

Research output: Contribution to journalArticle

Open Access
File
8 Citations (Scopus)
20 Downloads (Pure)

Intermixing studies in GaN1−xSbx highly mismatched alloys

Sarney, W. L., Svensson, S. P., Ting, M., Segercrantz, N., Walukiewicz, W., Yu, K. M., Martin, R. W., Novikov, S. V. & Foxon, C. T. T., 20 Jan 2017, In : Applied Optics. 56, 3, p. B64-B69 6 p.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
22 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 journalArticle

Open Access
File
2 Citations (Scopus)
75 Downloads (Pure)

Optical properties and resonant cavity modes in axial InGaN/GaN nanotube microcavities

Coulon, P. -M., Pugh, J. R., Athanasiou, M., Kusch, G., Le Boulbar, E. D., Sarua, A., Smith, R., Martin, R. W., Wang, T., Cryan, M., Allsopp, D. W. E. & Shields, P. A., 13 Nov 2017, In : Optics Express. 25, 23, p. 28246-28257 12 p.

Research output: Contribution to journalArticle

Open Access
File
8 Citations (Scopus)
12 Downloads (Pure)

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 Sep 2017, In : Journal of Physics D: Applied Physics. 50, 42, 6 p., 42LT01.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
34 Downloads (Pure)

Spatially-resolved optical and structural properties of semi-polar (11-22) AlxGa1-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 Sep 2017, In : Scientific Reports. 7, 10 p., 10804.

Research output: Contribution to journalArticle

Open Access
File
6 Citations (Scopus)
127 Downloads (Pure)

Spectroscopic and electrical signatures of acceptor states in solution processed Cu2ZnSn(S,Se)4 solar cells

Tiwari, D., Skidchenko, E., Bowers, J. W., Yakushev, M. V., Martin, R. W. & Fermin, D. J., 25 Oct 2017, In : Journal of Materials Chemistry. C . 5, 48, p. 12720-12727 8 p.

Research output: Contribution to journalArticle

Open Access
File
11 Citations (Scopus)
13 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 journalLetter

Open Access
File
10 Citations (Scopus)
142 Downloads (Pure)

Validity of Vegard's rule for Al1-xInxN (0.08<x<0.28) thin films grown on GaN templates

Magalhães, S., Franco, N., Watson, I. M., Martin, R. W., O'Donnell, K. P., Schenk, H. P. D., Tang, F., Sadler, T. C., Kappers, M. J., Oliver, R. A., Monteiro, T., Martin, T. L., Bagot, P. A. J., Moody, M. P., Alves, E. & Lorenz, K., 28 Apr 2017, In : Journal of Physics D: Applied Physics. 50, 20 p., 205107.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
25 Downloads (Pure)
2016

Analysis of defect-related inhomogeneous electroluminescence in InGaN/GaN QW LEDs

Ren, C. X., Rouet-Leduc, B., Griffiths, J. T., Bohacek, E., Wallace, M. J., Edwards, P. R., Hopkins, M. A., Allsopp, D. W. E., Kappers, M. J., Martin, R. W. & Oliver, R. A., 30 Nov 2016, In : Superlattices and Microstructures. 99, p. 118-124 7 p.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
71 Downloads (Pure)

A photoluminescence study of CuInSe2 single crystals ion implanted with 5 keV hydrogen

Yakushev, M. V., Krustok, J., Grossberg, M., Volkov, V. A., Mudryi, A. V. & Martin, R. W., 8 Feb 2016, In : Journal of Physics D: Applied Physics. 49, 10, 8 p., 105108.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
28 Downloads (Pure)

Colour tuning in white hybrid inorganic/organic light-emitting diodes

Bruckbauer, J., Brasser, C., Findlay, N. J., Edwards, P. R., Wallis, D. J., Skabara, P. J. & Martin, R. W., 12 Oct 2016, In : Journal of Physics D: Applied Physics. 49, 40, 9 p., 405103.

Research output: Contribution to journalArticle

Open Access
File
9 Citations (Scopus)
114 Downloads (Pure)

Cool to warm white light emission from hybrid inorganic/organic light-emitting diodes

Taylor-Shaw, E., Angioni, E., Findlay, N. J., Breig, B., Inigo, A. R., Bruckbauer, J., Wallis, D. J., Skabara, P. J. & Martin, R. W., 28 Nov 2016, In : Journal of Materials Chemistry. C . 4, 48, p. 11499-11507 9 p.

Research output: Contribution to journalArticle

Open Access
File
16 Citations (Scopus)
109 Downloads (Pure)