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  • 2020
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Author

  • Robert Martin
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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
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5 Citations (Scopus)
25 Downloads (Pure)

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, 17, 4 p., 17LT02.

Research output: Contribution to journalArticle

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
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2 Citations (Scopus)
8 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
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10 Citations (Scopus)
142 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 journalArticle

Open Access
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17 Citations (Scopus)
28 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 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

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Strong interband Faraday rotation in 3D topological insulator Bi2Se3

Ohnoutek, L., Hakl, M., Veis, M., Piot, B. A., Faugeras, C., Martinez, G., Yakushev, M. V., Martin, R. W., Drasar, C., Materna, A., Strzelecka, G., Hruban, A., Potemski, M. & Orlita, M., 11 Jan 2016, In : Scientific Reports. 6, 9 p., 19087.

Research output: Contribution to journalArticle

Open Access
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4 Citations (Scopus)
80 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

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10 Downloads (Pure)

Stimulated emission and lasing in Cu(In,Ga)Se2 thin films

Svitsiankou, I. E., Pavlovskii, V. N., Lutsenko, EV., Yablonskii, G. P., Mudryi, A. V., Zhivulko, VD., Yakushev, M. V. & Martin, R. W., 1 Feb 2016, In : Journal of Physics D: Applied Physics. 49, 9, 5 p., 095106.

Research output: Contribution to journalArticle

Open Access
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3 Citations (Scopus)
68 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
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11 Citations (Scopus)
17 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
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7 Citations (Scopus)
127 Downloads (Pure)

Site controlled red-yellow-green light emitting InGaN quantum discs on nano-tipped GaN rods

Conroy, M., Li, H., Kusch, G., Zhao, C., Ooi, B., Edwards, P. R., Martin, R. W., Holmes, J. D. & Parbrook, P. J., 26 May 2016, In : Nanoscale. 8, 21, p. 11019-11026 8 p.

Research output: Contribution to journalArticle

Open Access
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8 Citations (Scopus)
87 Downloads (Pure)

Self-healing thermal annealing: surface morphological restructuring control of GaN nanorods

Conroy, M., Li, H., Zubialevich, V. Z., Kusch, G., Schmidt, M., Collins, T., Glynn, C., Martin, R. W., O'Dwyer, C., Holmes, J. D., Parbrook, P. J. & Morris, M. D., 7 Dec 2016, In : Crystal Growth and Design. 16, 12, p. 6769-6775 7 p.

Research output: Contribution to journalArticle

Open Access
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6 Citations (Scopus)
19 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
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2 Citations (Scopus)
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RBS-channeling study of radiation damage in Ar+ implanted CuInSe2 crystals

Yakushev, M. V., Volkov, V. A., Mursakulov, N. N., Sabzaliyeva, C. E. & Martin, R. W., 1 Sep 2016, In : Journal of Vacuum Science and Technology A. 34, 5, 6 p., 051203.

Research output: Contribution to journalArticle

Open Access
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1 Citation (Scopus)
19 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
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3 Citations (Scopus)
34 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
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9 Citations (Scopus)
12 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
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2 Citations (Scopus)
75 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
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3 Citations (Scopus)
24 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
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1 Citation (Scopus)
10 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 journalArticle

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2 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 journalArticle

Open Access
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8 Citations (Scopus)
122 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
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1 Citation (Scopus)
24 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
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10 Citations (Scopus)
21 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
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3 Citations (Scopus)
18 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
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20 Citations (Scopus)
9 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

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11 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
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1 Citation (Scopus)
2 Downloads (Pure)

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
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3 Citations (Scopus)
9 Downloads (Pure)

Impact of the selenisation temperature on the structural and optical properties of CZTSe absorbers

Márquez-Prieto, J., Yakushev, M. V., Forbes, I., Krustok, J., Edwards, P. R., Zhivulko, V. D., Borodavchenko, O. M., Mudryi, A. V., Dimitrievska, M., Izquierdo-Roca, V., Pearsall, N. & Martin, R. W., 31 Aug 2016, In : Solar Energy Materials and Solar Cells. 152, p. 42-50 9 p.

Research output: Contribution to journalArticle

Open Access
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18 Citations (Scopus)
86 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
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7 Citations (Scopus)
23 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
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7 Citations (Scopus)
10 Downloads (Pure)

Highly mismatched GaN1-xSbx alloys: synthesis, structure and electronic properties

Yu, K. M., Sarney, W. L., Novikov, S. V., Segercrantz, N., Ting, M., Shaw, M., Svensson, S. P., Martin, R. W., Walukiewicz, W. & Foxon, C. T., 28 Jun 2016, In : Semiconductor Science and Technology. 31, 8, 22 p., 083001.

Research output: Contribution to journalArticle

Open Access
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9 Citations (Scopus)
42 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
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16 Citations (Scopus)
17 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
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13 Citations (Scopus)
7 Downloads (Pure)

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

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
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5 Citations (Scopus)
24 Downloads (Pure)

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
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Open Access
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11 Citations (Scopus)
106 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

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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
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1 Citation (Scopus)
9 Downloads (Pure)
Open Access
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2 Citations (Scopus)
15 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

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9 Citations (Scopus)
31 Downloads (Pure)
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6 Downloads (Pure)

Correction: Site controlled red-yellow-green light emitting InGaN quantum discs on nano-tipped GaN rods

Conroy, M., Li, H., Kusch, G., Zhao, C., Ooi, B., Edwards, P. R., Martin, R. W., Holmes, J. D. & Parbrook, P. J., 21 Jul 2016, In : Nanoscale. 8, 27, p. 13521 1 p.

Research output: Contribution to journalArticle

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82 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

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16 Citations (Scopus)
110 Downloads (Pure)