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Publications

Selected publications

  1. Highly-mismatched InAs/InSe heterojunction diodes (Journal article - 2016)
  2. Demonstration of InAsBi photoresponse beyond 3.5 μm (Journal article - 2014)
  3. High-Gain InAs Planar Avalanche Photodiodes (Journal article - 2016)
  4. Linear array of InAs APDs operating at 2 μm (Journal article - 2013)
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2024

Peroxidase-like molybdenum oxides/nitrogen-doped graphene quantum dot as the smartphone-based immunosensing probe for the ultrasensitive detection of neurofilament light chain in human serum

Ng, S. S., Sandall, I., Chiu, H. -C., & Doong, R. -A. (2024). Peroxidase-like molybdenum oxides/nitrogen-doped graphene quantum dot as the smartphone-based immunosensing probe for the ultrasensitive detection of neurofilament light chain in human serum. Sensors and Actuators B: Chemical, 419, 136426. doi:10.1016/j.snb.2024.136426

DOI
10.1016/j.snb.2024.136426
Journal article

2023

Comparison of Bio Sensing Techniques for VEGF

Alshammari, A., Hulme, S., Zalinge, H. V., & Sandall, I. (2023). Comparison of Bio Sensing Techniques for VEGF. In 2023 IEEE BioSensors Conference (BioSensors) (pp. 1-4). IEEE. doi:10.1109/biosensors58001.2023.10280896

DOI
10.1109/biosensors58001.2023.10280896
Conference Paper

2022

2021

2020

Feasibility of a silicon thin film transistor-based aptamer sensor for COVID-19 detection

DOI
10.21203/rs.3.rs-74726/v2
Preprint

Suppression of Surface Leakage Currents in InAs Avalanche Photodiodes via Sputtering of High-<i>k</i> Dielectric Layers

Cao, Z., Mitrovic, I. Z., & Sandall, I. (2020). Suppression of Surface Leakage Currents in InAs Avalanche Photodiodes via Sputtering of High-<i>k</i> Dielectric Layers. IEEE TRANSACTIONS ON ELECTRON DEVICES, 67(10), 4269-4273. doi:10.1109/TED.2020.3012122

DOI
10.1109/TED.2020.3012122
Journal article

GaAsSbN for Multi-Junction Solar Cells

Mumtaz, A., Milanova, M., Sandall, I., Cheetham, K., Cao, Z., Bilton, M., . . . Durose, K. (2020). GaAsSbN for Multi-Junction Solar Cells. In 2020 47TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) (pp. 1799-1803). doi:10.1109/pvsc45281.2020.9300524

DOI
10.1109/pvsc45281.2020.9300524
Conference Paper

2019

Enhancing the engagement of large cohort of students by live interactive polling and feedback

Sedghi, N., Al-Nuaimy, W., Sandall, I., Limniou, M., Duret, D., & Al Ataby, A. (2019). Enhancing the engagement of large cohort of students by live interactive polling and feedback. In Learning and Teaching Conference. Liverpool, UK.

Conference Paper

2018

2017

Hole density and acceptor-type defects in MBE-grown GaSb<sub>1-x</sub>Bi<sub>x</sub>

Segercrantz, N., Slotte, J., Makonnen, I., Tuomisto, F., Sandall, I. C., Ashwin, M. J., & Veal, T. D. (2017). Hole density and acceptor-type defects in MBE-grown GaSb1-x  Bi x. Journal of Physics D: Applied Physics, 50(29), 6 pages. doi:10.1088/1361-6463/aa779a

DOI
10.1088/1361-6463/aa779a
Journal article

Optimization of self-catalyzed InAs Nanowires on flexible graphite for photovoltaic infrared photodetectors

Anyebe, E., Sandall, I., Jin, Z., Sanchez, A., Rajpalke, M., Veal, T., . . . Zhuang, Q. (2017). Optimization of self-catalyzed InAs Nanowires on flexible graphite for photovoltaic infrared photodetectors. Scientific Reports, 7. doi:10.1038/srep46110

DOI
10.1038/srep46110
Journal article

2016

2015

Planar InAs Avalanche Photodiodes

White, B. S., Sandall, I. C., & Tan, C. H. (2015). Planar InAs Avalanche Photodiodes. In 2015 PHOTONICS CONFERENCE (IPC). Retrieved from https://www.webofscience.com/

Conference Paper

2014

InAs APD with solid state photomultiplier characteristics

Sandall, I., White, B., & Tan, C. H. (2014). InAs APD with solid state photomultiplier characteristics. In 2014 IEEE PHOTONICS CONFERENCE (IPC) (pp. 354-355). Retrieved from https://www.webofscience.com/

Conference Paper

InAsBi photodiode operating in the MWIR

Sandall, I. C., Bastiman, F., White, B., Richards, R., David, J., & Tan, C. H. (2014). InAsBi photodiode operating in the MWIR. In 2014 IEEE PHOTONICS CONFERENCE (IPC) (pp. 356-357). Retrieved from https://www.webofscience.com/

Conference Paper

Planar InAs p-i-n photodiodes fabricated using ion implantation

White, B. S., Sandall, I., & Tan, C. H. (2014). Planar InAs p-i-n photodiodes fabricated using ion implantation. In 2014 IEEE PHOTONICS CONFERENCE (IPC) (pp. 352-353). Retrieved from https://www.webofscience.com/

Conference Paper

Demonstration of an InAsBi photodiode operating in the MWIR

Sandall, I. C., Bastiman, F., White, B., Richards, R. D., David, J., & Tan, C. H. (2014). Demonstration of an InAsBi photodiode operating in the MWIR. In EMERGING TECHNOLOGIES IN SECURITY AND DEFENCE II AND QUANTUM-PHYSICS-BASED INFORMATION SECURITY III Vol. 9254. doi:10.1117/12.2069697

DOI
10.1117/12.2069697
Conference Paper

Temperature dependence of impact ionization in InAs (vol 21, pg 8630, 2013)

Sandall, I. C., Ng, J. S., Xie, S., Ker, P. J., & Tan, C. H. (2014). Temperature dependence of impact ionization in InAs (vol 21, pg 8630, 2013). OPTICS EXPRESS, 22(21), 25923. doi:10.1364/OE.22.025923

DOI
10.1364/OE.22.025923
Journal article

2013

2012

Electrical modulation of the optical properties of mid-infrared metamaterials

Larsen, K., Austin, D., Sandall, I. C., Davies, D. G., Revin, D. G., Cockburn, J. W., . . . Wilson, L. R. (2012). Electrical modulation of the optical properties of mid-infrared metamaterials. APPLIED PHYSICS LETTERS, 101(25). doi:10.1063/1.4772545

DOI
10.1063/1.4772545
Journal article

InAs Quantum Dot Photodetector operating at 1.3 μm grown on Silicon

Sandall, I. C., Ng, J. S., David, J. P., Tan, C. H., Wang, T., & Liu, H. (2012). InAs Quantum Dot Photodetector operating at 1.3 μm grown on Silicon. In 2012 IEEE PHOTONICS CONFERENCE (IPC) (pp. 167-+). Retrieved from https://www.webofscience.com/

Conference Paper

Planar InAs photodiodes fabricated using He ion implantation

Sandall, I., Tan, C. H., Smith, A., & Gwilliam, R. (2012). Planar InAs photodiodes fabricated using He ion implantation. In 2012 IEEE PHOTONICS CONFERENCE (IPC) (pp. 165-+). Retrieved from https://www.webofscience.com/

Conference Paper

2011

2010

X-shaped plasmonic antenna on a quantum cascade laser

Austin, D., Mullin, N., Luxmoore, I., Sandall, I. C., Cullis, A. G., Bismuto, A., . . . Wilson, L. R. (2010). X-shaped plasmonic antenna on a quantum cascade laser. APPLIED PHYSICS LETTERS, 96(15). doi:10.1063/1.3380660

DOI
10.1063/1.3380660
Journal article

2008

Origin of temperature-dependent threshold current in p-doped and undoped In(Ga)As quantum dot lasers (<i>Invited paper</i>)

Smowton, P. M., George, A., Sandall, I. C., Hopkinson, M., & Liu, H. -Y. (2008). Origin of temperature-dependent threshold current in p-doped and undoped In(Ga)As quantum dot lasers (<i>Invited paper</i>). IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, 14(4), 1162-1170. doi:10.1109/JSTQE.2008.920040

DOI
10.1109/JSTQE.2008.920040
Journal article

2007

Identifying the origin of non-radiative recombination in ln(Ga)As quantum dot lasers

Smowton, P. M., George, A. A., Sandall, I. C., Liu, H. Y., & Hopkinson, M. (2007). Identifying the origin of non-radiative recombination in ln(Ga)As quantum dot lasers. In 2007 IEEE LEOS ANNUAL MEETING CONFERENCE PROCEEDINGS, VOLS 1 AND 2 (pp. 429-+). Retrieved from https://www.webofscience.com/

Conference Paper

Localized Auger recombination in quantum-dot lasers

Blood, P., Pask, H., Summers, H. D., & Sandall, I. (2007). Localized Auger recombination in quantum-dot lasers. IEEE JOURNAL OF QUANTUM ELECTRONICS, 43(11-12), 1140-1146. doi:10.1109/JQE.2007.907541

DOI
10.1109/JQE.2007.907541
Journal article

Temperature-dependent gain and threshold in P-doped quantum dot lasers

Smowton, P. M., Sandall, I. C., Mowbray, D. J., Liu, H. Y., & Hopkinson, M. (2007). Temperature-dependent gain and threshold in P-doped quantum dot lasers. IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, 13(5), 1261-1266. doi:10.1109/JSTQE.2007.903375

DOI
10.1109/JSTQE.2007.903375
Journal article

Nonradiative recombination in. multiple layer In(Ga)As quantum-dot lasers

Sandall, I. C., Smowton, P. M., Liu, H. -Y., & Hopkinson, M. (2007). Nonradiative recombination in. multiple layer In(Ga)As quantum-dot lasers. IEEE JOURNAL OF QUANTUM ELECTRONICS, 43(7-8), 698-703. doi:10.1109/JQE.2007.901583

DOI
10.1109/JQE.2007.901583
Journal article

Maximising the gain - Optimising the carrier distribution in InGaAs quantum dot lasers

Smowton, P. M., Sandall, I. C., Mowbray, D. J., Liu, H. -Y., & Hopkinson, M. (2007). Maximising the gain - Optimising the carrier distribution in InGaAs quantum dot lasers. In PHYSICS AND SIMULATION OF OPTOELECTRONIC DEVICES XV Vol. 6468. doi:10.1117/12.702733

DOI
10.1117/12.702733
Conference Paper

Recombination in quantum dot ensembles

Blood, P., Pask, H., Sandall, I., & Summers, H. (2007). Recombination in quantum dot ensembles. In NOVEL IN - PLANE SEMICONDUCTOR LASERS IV Vol. 6485. doi:10.1117/12.714264

DOI
10.1117/12.714264
Conference Paper

Gain in <i>p</i>-doped quantum dot lasers

Smowton, P. M., Sandall, I. C., Liu, H. Y., & Hopkinson, M. (2007). Gain in <i>p</i>-doped quantum dot lasers. JOURNAL OF APPLIED PHYSICS, 101(1). doi:10.1063/1.2405738

DOI
10.1063/1.2405738
Journal article

2006

Improved 1.3 &amp;#x03BC;m In(Ga)As quantum dot lasers by engineering the GaAs spacer layers

Walker, C. L., Sandall, I. C., Smowton, P. M., Badcock, T. J., Mowbray, D. J., Liu, H. Y., & Hopkinson, M. (2006). Improved 1.3 &amp;#x03BC;m In(Ga)As quantum dot lasers by engineering the GaAs spacer layers. In 2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference (pp. 1-2). IEEE. doi:10.1109/cleo.2006.4628003

DOI
10.1109/cleo.2006.4628003
Conference Paper

Localised recombination in quantum dot structures

Sandall, I. C., Pask, H. J., Smowton, P. M., Summers, H. D., Blood, P., HuiYun Liu., & Hopkinson, M. (2006). Localised recombination in quantum dot structures. In 2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference (pp. 1-2). IEEE. doi:10.1109/cleo.2006.4628106

DOI
10.1109/cleo.2006.4628106
Conference Paper

Maximising the Gain and Minimising the Non-Radiative Recombination in 1.3μm Quantum Dot Lasers

Smowton, P. M., Sandall, I. C., Walker, C. L., Mowbray, D. J., Liu, H. -Y., & Hopkinson, M. (2006). Maximising the Gain and Minimising the Non-Radiative Recombination in 1.3μm Quantum Dot Lasers. In 2006 IEEE 20th International Semiconductor Laser Conference, 2006. Conference Digest. (pp. 75-76). IEEE. doi:10.1109/islc.2006.1708093

DOI
10.1109/islc.2006.1708093
Conference Paper

Measurement of modal absorption, gain and recombination in p-doped and intrinsic quantum dot structures

Sandall, I. C., Walker, C. L., Smowton, P. M., Mowbray, D. J., Liu, H. Y., & Hopkinson, M. (2006). Measurement of modal absorption, gain and recombination in p-doped and intrinsic quantum dot structures. In IEE PROCEEDINGS-OPTOELECTRONICS Vol. 153 (pp. 316-320). doi:10.1049/ip-opt:20060042

DOI
10.1049/ip-opt:20060042
Conference Paper

The effect of p - doping in In(Ga)As quantum dot lasers

Sandall, I. C., Walker, C. L., Smowton, P. M., Badcock, T., Mowbray, D. J., Liu, H. Y., & Hopkinson, M. (2006). The effect of p - doping in In(Ga)As quantum dot lasers. In 2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference (pp. 1-2). IEEE. doi:10.1109/cleo.2006.4628109

DOI
10.1109/cleo.2006.4628109
Conference Paper

Temperature dependence of threshold current in <i>p</i>-doped quantum dot lasers

Sandall, I. C., Smowton, P. M., Thomson, J. D., Badcock, T., Mowbray, D. J., Liu, H. -Y., & Hopkinson, M. (2006). Temperature dependence of threshold current in <i>p</i>-doped quantum dot lasers. APPLIED PHYSICS LETTERS, 89(15). doi:10.1063/1.2361167

DOI
10.1063/1.2361167
Journal article

1.3μm emitting, self assembled quantum dot lasers

Smowton, P. M., Sandall, I. C., Mowbray, D. J., Liu, H. Y., & Hopkinson, M. (2006). 1.3μm emitting, self assembled quantum dot lasers. In 2006 IEEE LEOS ANNUAL MEETING CONFERENCE PROCEEDINGS, VOLS 1 AND 2 (pp. 867). Retrieved from https://www.webofscience.com/

Conference Paper

Improved performance of 1.3-μm In(Ga)As quantum-dot lasers by modifying the temperature profile of the GaAs spacer layers

Walker, C. L., Sandall, I. C., Smowton, P. M., Mowbray, D. J., Liu, H. Y., Liew, S. L., & Hopkinson, M. (2006). Improved performance of 1.3-μm In(Ga)As quantum-dot lasers by modifying the temperature profile of the GaAs spacer layers. IEEE PHOTONICS TECHNOLOGY LETTERS, 18(13-16), 1557-1559. doi:10.1109/LPT.2006.879592

DOI
10.1109/LPT.2006.879592
Journal article

Recombination mechanisms in 1.3-μm InAs quantum-dot lasers

Sandall, I. C., Smowton, P. M., Walker, C. L., Liu, H. Y., Hopkinson, M., & Mowbray, D. J. (2006). Recombination mechanisms in 1.3-μm InAs quantum-dot lasers. IEEE PHOTONICS TECHNOLOGY LETTERS, 18(5-8), 965-967. doi:10.1109/LPT.2006.873560

DOI
10.1109/LPT.2006.873560
Journal article

The effect of <i>p</i> doping in InAs quantum dot lasers

Sandall, I. C., Smowton, P. M., Walker, C. L., Badcock, T., Mowbray, D. J., Liu, H. Y., & Hopkinson, M. (2006). The effect of <i>p</i> doping in InAs quantum dot lasers. APPLIED PHYSICS LETTERS, 88(11). doi:10.1063/1.2186078

DOI
10.1063/1.2186078
Journal article

Characterisation of modulation doped quantum dot lasers

Smowton, P. M., Sandall, I. C., Walker, C. L., Thomson, J. D., Sobiesierski, A., Badcock, T., . . . Hopkinson, M. (2006). Characterisation of modulation doped quantum dot lasers. In NOVEL IN-PLANE SEMICONDUCTOR LASERS V Vol. 6133. doi:10.1117/12.650682

DOI
10.1117/12.650682
Conference Paper

1.3 &amp;#x003BC;m emitting, self assembled quantum dot lasers

Smowton, P. M., Sandall, I. C., Mowbray, D. J., Liu, H. Y., & Hopkinson, M. (2006). 1.3 &amp;#x003BC;m emitting, self assembled quantum dot lasers. In LEOS 2006 - 19th Annual Meeting of the IEEE Lasers and Electro-Optics Society (pp. 867). IEEE. doi:10.1109/leos.2006.279081

DOI
10.1109/leos.2006.279081
Conference Paper

Auger Recombination is NOT Necessary to Explain the Temperature Dependence of Threshold in p-doped Quantum Dot Lasers

Smowton, P. M., Sandall, I. C., Thomson, J. D., Badcock, T., Mowbray, D. J., Jin, C. -Y., & Liu, H. -Y. (2006). Auger Recombination is NOT Necessary to Explain the Temperature Dependence of Threshold in p-doped Quantum Dot Lasers. In 2006 IEEE 20th International Semiconductor Laser Conference, 2006. Conference Digest. (pp. 155-156). IEEE. doi:10.1109/islc.2006.1708133

DOI
10.1109/islc.2006.1708133
Conference Paper

2005

Recombination processes in inas quantum dot lasers containing high growth temperature spacer layers operating at 1.3 &amp;#x03BC;m

Sandall, I. C., Walker, C. L., Smowton, P. M., Sellers, I. R., Mowbray, D. J., Liu, H. Y., & Hopkinson, M. (n.d.). Recombination processes in inas quantum dot lasers containing high growth temperature spacer layers operating at 1.3 &amp;#x03BC;m. In EQEC '05. European Quantum Electronics Conference, 2005. (pp. 20). IEEE. doi:10.1109/eqec.2005.1567193

DOI
10.1109/eqec.2005.1567193
Conference Paper

The role of high growth temperature GaAs spacer layers in 1.3-μm In(Ga)As quantum-dot lasers

Walker, C. L., Sandall, I. C., Smowton, P. M., Sellers, I., Mowbray, D. J., Liu, H. Y., & Hopkinson, M. (2005). The role of high growth temperature GaAs spacer layers in 1.3-μm In(Ga)As quantum-dot lasers. IEEE PHOTONICS TECHNOLOGY LETTERS, 17(10), 2011-2013. doi:10.1109/LPT.2005.854393

DOI
10.1109/LPT.2005.854393
Journal article

Growth and characterisation of multiple layer quantum dot lasers

Smowton, P. M., Walker, C. L., Sandall, I. C., Sellers, I. R., Mowbray, D. J., Liu, H. Y., . . . Hopkinson, M. (2005). Growth and characterisation of multiple layer quantum dot lasers. In Novel In-Plane Semiconductor Lasers IV Vol. 5738 (pp. 332-346). doi:10.1117/12.593278

DOI
10.1117/12.593278
Conference Paper

AlGaInP laser diodes incorporating a 3λ/4 multiple quantum barrier -: art. no. 021102

Sobiesierski, A., Sandall, I. C., Smowton, P. M., Blood, P., Krysa, A. B., Brown, M. R., . . . Wilks, S. P. (2005). AlGaInP laser diodes incorporating a 3λ/4 multiple quantum barrier -: art. no. 021102. APPLIED PHYSICS LETTERS, 86(2). doi:10.1063/1.1849847

DOI
10.1063/1.1849847
Journal article

2004

Improved gain and loss performance of 1.3 μm quantum dot lasers using high growth temperature GaAs Spacer layer

Walker, C. L., Sandall, I. C., & Smowton, P. M. (2004). Improved gain and loss performance of 1.3 μm quantum dot lasers using high growth temperature GaAs Spacer layer. In 2004 IEEE LEOS ANNUAL MEETING CONFERENCE PROCEEDINGS, VOLS 1 AND 2 (pp. 212-213). Retrieved from https://www.webofscience.com/

Conference Paper