Research/Scholarly/Creative Works

• Cole SE., Hawkins M., Miller KA., Allen MW. and Cockburn M. (2023) Correlation between Objective Measures of Sun Exposure and Self-Reported Sun Protective Behavior and Attitudes in Predominantly Hispanic Youth. Photochemistry and Photobiology 99(3): 1037-1046. http://dx.doi.org/10.1111/php.13687. (Journal Articles)

• Le PY., Nagib H., Sylvander LA., Allen MW., Mcculloch DG., Partridge JG. and Tran HN. (2023) Lateral, Optically Controlled, Artificial Synapses Realized in Room-Temperature RF-Sputtered SnO2for Neuromorphic Computing and Visual Recognition. ACS Applied Electronic Materials 5(5): 2885-2892. http://dx.doi.org/10.1021/acsaelm.3c00375. (Journal Articles)

• Scott JI., Adams RL., Martinez-Gazoni RF., Carroll LR., Downard AJ., Veal TD., Reeves RJ. and Allen MW. (2023) Looking Outside the Square: The Growth, Structure, and Resilient Two-Dimensional Surface Electron Gas of Square SnO2 Nanotubes. Small 19(28) http://dx.doi.org/10.1002/smll.202300520. (Journal Articles)

• Zhang R., Smit AK., Espinoza D., Allen M., Reyes-Marcelino G., Kimlin MG., Lo SN., Sharman AR., Law MH. and Kanetsky PA. (2023) Validation of self-reported sun exposure against electronic ultraviolet radiation dosimeters. International Journal of Epidemiology 52(1): 324-328. http://dx.doi.org/10.1093/ije/dyac179. (Journal Articles)

• Astley S., Hu D., Hazeldine K., Ash J., Cross RE., Cooil S., Allen M., Evans J., James K. and Venturini F. (2022) Identifying chemical and physical changes in wide-gap semiconductors using real-time and near ambient-pressure XPS. Faraday Discussions 236: 191-204. http://dx.doi.org/10.1039/d1fd00119a. (Journal Articles)

• Dela Cruz Z., Hou C., Martinez-Gazoni RF., Reeves RJ. and Allen MW. (2022) Performance of in situ oxidized platinum/iridium alloy Schottky contacts on (001), (2 ¯ 01), and (010) β -Ga2O3. Applied Physics Letters 120(8) http://dx.doi.org/10.1063/5.0080652. (Journal Articles)

• Heffernan W., Allen M. and Mukhedkar R. (2022) Efficient electrification with Ga2O3 - a robust wide bandgap semiconductor. In. (Conference Contributions - Published)

• Lee Solano M., Robinson S., Allen MW., Reyes-Marcelino G., Espinoza D., Beswick B., Tse DHK., Ding L., Humphreys L. and Van Kemenade C. (2022) Effect of an interactive educational activity using handheld ultraviolet radiation dosimeters on sun protection knowledge among Australian primary school students. Preventive Medicine Reports 25 http://dx.doi.org/10.1016/j.pmedr.2021.101690. (Journal Articles)

• Carroll LR., Martinez-Gazoni RF., Gaston N., Reeves RJ., Downard AJ. and Allen MW. (2021) Bidirectional Control of the Band Bending at the (2̅01) and (010) Surfaces of β-Ga2O3 Using Aryldiazonium Ion and Phosphonic Acid Grafting. ACS Applied Electronic Materials 3(12): 5608-5620. http://dx.doi.org/10.1021/acsaelm.1c01064. (Journal Articles)

• Hou C., Gazoni RM., Reeves RJ. and Allen MW. (2021) Dramatic Improvement in the Rectifying Properties of Pd Schottky Contacts on β-Ga2O3During Their High-Temperature Operation. IEEE Transactions on Electron Devices 68(4): 1791-1797. http://dx.doi.org/10.1109/TED.2021.3060689. (Journal Articles)

• Martinez-Gazoni RF., Allen MW. and Reeves RJ. (2021) Persistent Photoconductivity in SnO2Thin Films Grown by Molecular Beam Epitaxy: The Dominant Roles of Water Vapor and Carrier Concentration. Journal of Physical Chemistry C 125(48): 26967-26977. http://dx.doi.org/10.1021/acs.jpcc.1c08394. (Journal Articles)

• McNeill AR., Martinez-Gazoni R., Reeves RJ., Allen MW. and Downard AJ. (2021) Electroreduction of Aryldiazonium Ion at the Polar and Non-Polar Faces of ZnO: Characterisation of the Grafted Films and Their Influence on Near-Surface Band Bending. ChemPhysChem 22(13): 1344-1351. http://dx.doi.org/10.1002/cphc.202100240. (Journal Articles)

• Onyema CC., Reeves RJ. and Allen MW. (2021) Performance of metal-semiconductor field effect transistors on mist chemical-vapor-deposition grown ZnO channels with intentionally oxidized AgOxSchottky contact gates. Journal of Applied Physics 130(17) http://dx.doi.org/10.1063/5.0069287. (Journal Articles)

• Smit AK., Allen M., Beswick B., Butow P., Dawkins H., Dobbinson SJ., Dunlop KL., Espinoza D., Fenton G. and Kanetsky PA. (2021) Impact of personal genomic risk information on melanoma prevention behaviors and psychological outcomes: a randomized controlled trial. Genetics in Medicine 23(12): 2394-2403. http://dx.doi.org/10.1038/s41436-021-01292-w. (Journal Articles)

• Allen M. (2020) Invited Conference Address - The relationship between the surface chemistry and surface electronic properties of functional transparent semiconducting oxides. Montecatini Terme, Italy (rescheduled until 2021): 2020 CIMTEC - International Conferences on Modern Materials and Technologies, 15-19 Jun 2020. (Conference Contributions - Other)

• Allen MW., Swift N., Nield KM., Liley B. and McKenzie RL. (2020) Use of electronic UV dosimeters in measuring personal UV exposures and public health education. Atmosphere 11(7) http://dx.doi.org/10.3390/atmos11070744. (Journal Articles)

• Blesić SM., du Preez DJ., Stratimirović DI., Ajtić JV., Ramotsehoa MC., Allen MW. and Wright CY. (2020) Characterization of personal solar ultraviolet radiation exposure using detrended fluctuation analysis. Environmental Research 182 http://dx.doi.org/10.1016/j.envres.2019.108976. (Journal Articles)

• Borgersen J., Vines L., Frodason YK., Kuznetsov A., von Wenckstern H., Grundmann M., Allen M., Zúñiga-Pérez J. and Johansen KM. (2020) Experimental exploration of the amphoteric defect model by cryogenic ion irradiation of a range of wide band gap oxide materials. Journal of Physics Condensed Matter 32(50) http://dx.doi.org/10.1088/1361-648X/abac8b. (Journal Articles)

• Gazoni RM., Carroll L., Scott JI., Astley S., Evans DA., Downard AJ., Reeves RJ. and Allen MW. (2020) Relationship between the hydroxyl termination and band bending at (2¯ 01)β-G a2 O3 surfaces. Physical Review B 102(3) http://dx.doi.org/10.1103/PhysRevB.102.035304. (Journal Articles)

• Hou C., York KR., Makin RA., Durbin SM., Gazoni RM., Reeves RJ. and Allen MW. (2020) High temperature (500 °c) operating limits of oxidized platinum group metal (PtOx, IrOx, PdOx, RuOx) Schottky contacts on β-Ga2O3. Applied Physics Letters 117(20) http://dx.doi.org/10.1063/5.0026345. (Journal Articles)

• Lo SN., Smit AK., Espinoza D., Cust AE., Newson AJ., Morton RL., Kimlin M., Keogh L., Law MH. and Kirk J. (2020) The Melanoma Genomics Managing Your Risk Study randomised controlled trial: statistical analysis plan. Trials 21(1) http://dx.doi.org/10.1186/s13063-020-04351-w. (Journal Articles)

• Loveless TD., Patel B., Reising DR., Roca R., Allen M., Massengill LW. and McMorrow D. (2020) Ionizing Radiation Effects Spectroscopy for Analysis of Single-Event Transients. IEEE Transactions on Nuclear Science 67(1): 99-107. http://dx.doi.org/10.1109/TNS.2019.2950385. (Journal Articles)

• Tran HN., Le PY., Murdoch BJ., Allen MW., McConville CF. and Partridge JG. (2020) Temperature-Dependent Electrical Properties of Graphitic Carbon Schottky Contacts to B-Ga2O3. IEEE Transactions on Electron Devices 67(12): 5669-5675. http://dx.doi.org/10.1109/TED.2020.3031883. (Journal Articles)

• Wright CY., du Preez DJ., Martincigh BS., Allen MW., Millar DA., Wernecke B. and Blesic S. (2020) A Comparison of Solar Ultraviolet Radiation Exposure in Urban Canyons in Venice, Italy and Johannesburg, South Africa. Photochemistry and Photobiology 96(5): 1148-1153. http://dx.doi.org/10.1111/php.13291. (Journal Articles)

• Allen M. (2019) Invited Conference Address - The interplay between the surface chemistry and surface electronic properties of wide bandgap oxide semiconductors. Village Hotel, Swansea, UK: ISSC-22 Interdisciplinary Surface Science Conference, 15-18 Apr 2019. (Conference Contributions - Other)

• Brillson L., Cox J., Gao H., Foster G., Ruane W., Jarjour A., Allen M., Look D., von Wenckstern H. and Grundmann M. (2019) Native point defect measurement and manipulation in ZnO nanostructures. Materials 12(14) http://dx.doi.org/10.3390/ma12142242. (Journal Articles)

• Dang GT., Allen MW., Furuta M. and Kawaharamura T. (2019) Electronic devices fabricated on mist-CVD-grown oxide semiconductors and their applications. Japanese Journal of Applied Physics 58(9) http://dx.doi.org/10.7567/1347-4065/ab2195. (Journal Articles)

• Herklotz F., Chaplygin I., Lavrov EV., Neiman A., Reeves RJ. and Allen MW. (2019) Bistability of a hydrogen defect with a vibrational mode at 3326cm-1 in ZnO. Physical Review B 99(11) http://dx.doi.org/10.1103/PhysRevB.99.115203. (Journal Articles)

• Hou C., Gazoni RM., Reeves RJ. and Allen MW. (2019) Direct comparison of plain and oxidized metal Schottky contacts on β-Ga 2 O 3. Applied Physics Letters 114(3) http://dx.doi.org/10.1063/1.5079423. (Journal Articles)

• Hou C., Gazoni RM., Reeves RJ. and Allen MW. (2019) High-Temperature β-Ga2O3 Schottky Diodes and UVC Photodetectors Using RuOx Contacts. IEEE Electron Device Letters 40(10): 1587-1590. http://dx.doi.org/10.1109/LED.2019.2937494. (Journal Articles)

• Hou C., Gazoni RM., Reeves RJ. and Allen MW. (2019) Oxidized Metal Schottky Contacts on (010) β-Ga 2 O 3. IEEE Electron Device Letters 40(2): 337-340. http://dx.doi.org/10.1109/LED.2019.2891304. (Journal Articles)

• Hou C., Makin RA., York KR., Durbin SM., Scott JI., Gazoni RM., Reeves RJ. and Allen MW. (2019) High-temperature (350 °c) oxidized iridium Schottky contacts on β -Ga2O3. Applied Physics Letters 114(23) http://dx.doi.org/10.1063/1.5099126. (Journal Articles)

• Lynam MF., Ke NJ., Bradley SJ., Nann T., Neiman A., Reeves RJ., Downard AJ., Golovko VB. and Allen MW. (2019) Size-controlled, high optical quality ZnO nanowires grown using colloidal Au nanoparticles and ultra-small cluster catalysts. APL Materials 7(2) http://dx.doi.org/10.1063/1.5054355. (Journal Articles)

• Schuurman JC., McNeill AR., Martinez-Gazoni RF., Scott JI., Reeves RJ., Allen MW. and Downard AJ. (2019) The effect of covalently bonded aryl layers on the band bending and electron density of SnO2 surfaces probed by synchrotron X-ray photoelectron spectroscopy. Physical Chemistry Chemical Physics 21(32): 17913-17922. http://dx.doi.org/10.1039/c9cp03040a. (Journal Articles)

• Scott JI., Martinez-Gazoni RF., Allen MW. and Reeves RJ. (2019) Optical and electronic properties of high quality Sb-doped SnO2 thin films grown by mist chemical vapor deposition. Journal of Applied Physics 126(13): 135702-135702. http://dx.doi.org/10.1063/1.5116719. (Journal Articles)

• Swaminathan A., Harrison SL., Ketheesan N., van den Boogaard CHA., Dear K., Allen M., Hart PH., Cook M. and Lucas RM. (2019) Exposure to Solar UVR Suppresses Cell-Mediated Immunization Responses in Humans: The Australian Ultraviolet Radiation and Immunity Study. Journal of Investigative Dermatology 139(7): 1545-1553.e6. http://dx.doi.org/10.1016/j.jid.2018.12.025. (Journal Articles)

• (2018) Capturing ultraviolet radiation exposure and physical activity: Feasibility study and comparison between self-reports, mobile apps, dosimeters, and accelerometers. Journal of Medical Internet Research 20(4) http://dx.doi.org/10.2196/resprot.9695. (Journal Articles)

• Allen M., Hyland AM., Miller KA. and Cockburn MG. (2018) Use of Electronic UV Dosimeters in New Zealand School-based Primary Skin Cancer Prevention Programmes. In : 1-3. (Conference Contributions - Published)

• Altieri L., Miller KA., Huh J., Peng DH., Unger JB., Richardson JL., Allen MW. and Cockburn M. (2018) Prevalence of sun protection behaviors in Hispanic youth residing in a high ultraviolet light environment. Pediatric Dermatology 35(1): e52-e54. http://dx.doi.org/10.1111/pde.13299. (Journal Articles)

• Brillson LJ., Foster GM., Cox J., Ruane WT., Jarjour AB., Gao H., von Wenckstern H., Grundmann M., Wang B. and Look DC. (2018) Defect Characterization, Imaging, and Control in Wide-Bandgap Semiconductors and Devices. Journal of Electronic Materials 47(9): 4980-4986. http://dx.doi.org/10.1007/s11664-018-6214-9. (Journal Articles)

• Hacker E., Horsham C., Allen M., Nathan A., Lowe J. and Janda M. (2018) Capturing Ultraviolet Radiation Exposure and Physical Activity: Feasibility Study and Comparison Between Self-Reports, Mobile Apps, Dosimeters, and Accelerometers. JMIR Research Protocols 7(4) e102: 9. http://dx.doi.org/10.2196/resprot.9695. (Journal Articles)

• Martinez-Gazoni RF., Allen MW. and Reeves RJ. (2018) Conductivity and transparency limits of Sb-doped Sn O2 grown by molecular beam epitaxy. Physical Review B 98(15) http://dx.doi.org/10.1103/PhysRevB.98.155308. (Journal Articles)

• McNeill AR., Bell KJ., Hyndman AR., Gazoni RM., Reeves RJ., Downard AJ. and Allen MW. (2018) Synchrotron X-ray Photoelectron Spectroscopy Study of Electronic Changes at the ZnO Surface Following Aryldiazonium Ion Grafting: A Metal-to-Insulator Transition. Journal of Physical Chemistry C 122(24): 12681-12693. http://dx.doi.org/10.1021/acs.jpcc.8b00758. (Journal Articles)

• Smit AK., Newson AJ., Morton RL., Kimlin M., Keogh L., Law MH., Kirk J., Dobbinson S., Kanetsky PA. and Fenton G. (2018) The melanoma genomics managing your risk study: A protocol for a randomized controlled trial evaluating the impact of personal genomic risk information on skin cancer prevention behaviors. Contemporary Clinical Trials 70: 106-116. http://dx.doi.org/10.1016/j.cct.2018.05.014. (Journal Articles)

• Allen M. and Hyland A. (2017) Keynote Conference Address - Persistent photoconductivity in zinc oxide-based ultraviolet photodetectors. Leipzig, Germany: TCO2017 - Transparent Conductive Oxides – Fundamentals and Applications, 18-22 Sep 2017. (Conference Contributions - Other)

• Dang GT., Kawaharamura T., Furuta M. and Allen MW. (2017) Zinc tin oxide metal semiconductor field effect transistors and their improvement under negative bias (illumination) temperature stress. Applied Physics Letters 110(7): 073502-073502. http://dx.doi.org/10.1063/1.4976196. (Journal Articles)

• Foster GM., Gao H., Mackessy G., Hyland AM., Allen MW., Wang B., Look DC. and Brillson LJ. (2017) Impact of defect distribution on IrOx/ZnO interface doping and Schottky barriers. Applied Physics Letters 111(10) http://dx.doi.org/10.1063/1.4989539. (Journal Articles)

• Heinhold R., Neiman A., Kennedy JV., Markwitz A., Reeves RJ. and Allen MW. (2017) Hydrogen-related excitons and their excited-state transitions in ZnO. Physical Review B 95(5) 054120 http://dx.doi.org/10.1103/PhysRevB.95.054120. (Journal Articles)

• Hyland AM., Makin RA., Durbin SM. and Allen MW. (2017) Giant improvement in the rectifying performance of oxidized Schottky contacts to ZnO. Journal of Applied Physics 121(2) 024501 http://dx.doi.org/10.1063/1.4973487. (Journal Articles)

• Hyland AM., Reeves RJ., Makin RA., Durbin SM. and Allen MW. (2017) Thermal stability of oxidized noble metal Schottky contacts to ZnO. Materials Science in Semiconductor Processing 69: 9-12. http://dx.doi.org/10.1016/j.mssp.2017.01.016. (Journal Articles)

• Køster B., Søndergaard J., Nielsen JB., Allen M., Olsen A. and Bentzen J. (2017) The validated sun exposure questionnaire: association of objective and subjective measures of sun exposure in a Danish population-based sample. British Journal of Dermatology 176(2): 446-456. http://dx.doi.org/10.1111/bjd.14861. (Journal Articles)

• Køster B., Søndergaard J., Nielsen JB., Christensen KB., Allen M., Olsen A. and Bentzen J. (2017) Knowledge deficit, attitude and behavior scales association to objective measures of sun exposure and sunburn in a Danish population based sample. PLoS ONE 12(5) http://dx.doi.org/10.1371/journal.pone.0178190. (Journal Articles)

• Lord AM., Evans JE., Barnett CJ., Allen MW., Barron AR. and Wilks SP. (2017) Surface sensitivity of four-probe STM resistivity measurements of bulk ZnO correlated to XPS. Journal of Physics Condensed Matter 29(38) http://dx.doi.org/10.1088/1361-648X/aa7dc8. (Journal Articles)

• Miller KA., Huh J., Unger JB., Richardson JL., Allen MW., Peng DH. and Cockburn MG. (2017) Correlates of sun protection behaviors among Hispanic children residing in a high UVR environment. Photodermatology Photoimmunology and Photomedicine 33(2): 75-83. http://dx.doi.org/10.1111/phpp.12287. (Journal Articles)

• Allen M. (2016) Invited Conference Address - Effect of Oxygen Incorporation on the performance of Noble Metal Oxide Schottky Contacts to ZnO. Palm Springs, CA, USA: 43rd PCSI - Physics and Chemistry of Surfaces and Interfaces, 17 Jan 2016-21 Jan 2020. (Conference Contributions - Other)

• Allen M. (2016) Invited Conference Address - Stable metal semiconductor field effect transistors on oxide semiconductor channels grown by Mist-CVD. Fukuoka, Japan: 23rd International Display Workshops, 7-9 Dec 2016. (Conference Contributions - Other)

• Blesić SM., Stratimirović DI., Ajtić JV., Wright CY. and Allen MW. (2016) Novel approach to analysing large data sets of personal sun exposure measurements. Journal of Exposure Science and Environmental Epidemiology 26(6): 613-620. http://dx.doi.org/10.1038/jes.2016.43. (Journal Articles)

• Dang GT., Uchida T., Kawaharamura T., Furuta M., Hyndman AR., Martinez R., Fujita S., Reeves RJ. and Allen MW. (2016) Silver oxide Schottky contacts and metal semiconductor field-effect transistors on SnO2 thin films. Applied Physics Express 9(4) 041101: 4. http://dx.doi.org/10.7567/APEX.9.041101. (Journal Articles)

• Dang GT., Uchida T., Kawaharamura T., Furuta M., Hyndman AR., Martinez R., Fujita S., Reeves RJ. and Allen MW. (2016) Silver Oxide Schottky Contacts and Metal Semiconductor Field-Effect Transistors on SnO2 thin films. Applied Physics Express 9(41101): 1-4. (Journal Articles)

• Dobbinson S., Niven P., Buller D., Allen M., Gies P. and Warne C. (2016) Comparing Handheld Meters and Electronic Dosimeters for Measuring Ultraviolet Levels under Shade and in the Sun. Photochemistry and Photobiology 92: 208-214. http://dx.doi.org/10.1111/php.12551. (Journal Articles)

• Køster B., Søndergaard J., Nielsen JB., Allen M., Bjerregaard M., Olsen A. and Bentzen J. (2016) Effects of smartphone diaries and personal dosimeters on behavior in a randomized study of methods to document sunlight exposure. Preventive Medicine Reports 3: 367-372. http://dx.doi.org/10.1016/j.pmedr.2016.04.002. (Journal Articles)

• McNeill A., Hyndman A., Reeves R., Downard AJ. and Allen M. (2016) Tuning the Band Bending and Controlling the Surface Reactivity at Polar and NonPolar Surfaces of ZnO through Phosphonic Acid Binding. ACS Applied Materials and Interfaces 8 31392: 31392-31402. http://dx.doi.org/10.1021/acsami.6b10309. (Journal Articles)

• McNeill AR., Hyndman AR., Reeves RJ., Downard AJ. and Allen MW. (2016) Tuning the Band Bending and Controlling the Surface Reactivity at Polar and Nonpolar Surfaces of ZnO through Phosphonic Acid Binding. ACS Applied Materials and Interfaces 8(45): 31392-31402. http://dx.doi.org/10.1021/acsami.6b10309. (Journal Articles)

• Scragg RKR., Stewart AW., McKenzie RL., Reeder AI., Liley JB. and Allen MW. (2016) Sun exposure and 25-hydroxyvitamin D3 levels in a community sample: quantifying the association with electronic dosimeters. Journal of Exposure Analysis and Environmental Epidemiology 27: 471-477. http://dx.doi.org/10.1038/jes.2016.51. (Journal Articles)

• Allen M. (2015) Key Note Conference Address - Transparent Electronic Devices. Nelson, New Zealand: AMN7 - 7th International Conference on Advanced Materials and Nanotechnology, 8-12 Feb 2015. (Conference Contributions - Other)

• Allen MW. and Durbin SM. (2015) Schottky-Like Contact and Method of Fabrication.Patent No. JP 5837299 B2. (Intellectual Property)

• Dang GT., Kawaharamura T., Furuta M. and Allen MW. (2015) Metal-Semiconductor Field-Effect Transistors With In-Ga-Zn-O Channel Grown by Nonvacuum Processed Mist Chemical Vapor Deposition. IEEE Electron Device Letters 36(5): 463-465. http://dx.doi.org/10.1109/LED.2015.2412124. (Journal Articles)

• Dang GT., Kawaharamura T., Furuta M. and Allen MW. (2015) Mist-CVD Grown Sn-Doped alpha-Ga2O3 MESFETs. IEEE Transactions on Electron Devices 62(11): 3640-3644. http://dx.doi.org/10.1109/TED.2015.2477438. (Journal Articles)

• Dang GT., Kawaharamura T., Furuta M., Saxena S. and Allen MW. (2015) Stability of In-Ga-Zn-O metal-semiconductor field-effect-transistors under bias, illumination, and temperature stress. Applied Physics Letters 107: 143504/1-143504/5. http://dx.doi.org/10.1063/1.4931960. (Journal Articles)

• Dang GT., Kawaharamura T., Furuta M., Saxena S. and Allen MW. (2015) Stable metal semiconductor field effect transistors on oxide semiconductor channels grown via Mist-CVD. In Proceedings of the International Display Workshops 1: 587-590. (Conference Contributions - Published)

• Dang GT., Kawaharamura T., Furuta M., Saxena S. and Allen MW. (2015) Stable metal semiconductor field effect transistors on oxide semiconductor channels grown via mist-CVD. In Proceedings of the International Display Workshops 1: 75-78. (Conference Contributions - Published)

• Elzwawi S., Hyland A., Lynam M., Partridge JG., McCulloch DG. and Allen MW. (2015) Effect of Schottky gate type and channel defects on the stability of transparent ZnO MESFETs. Semiconductor Science and Technology 30(2) 024008 http://dx.doi.org/10.1088/0268-1242/30/2/024008. (Journal Articles)

• Heinhold R., Reeves RJ., Williams GT., Evans DA. and Allen MW. (2015) Mobility of indium on the ZnO(0001) surface. Applied Physics Letters 106(5) 51606: 1-5. http://dx.doi.org/10.1063/1.4906868. (Journal Articles)

• Hyndman AR., Allen MW. and Reeves RJ. (2015) Growth of epitaxial ZnO films on sapphire substrates by plasma assisted molecular beam epitaxy. In Proceedings of SPIE: Oxide-based Materials and Devices VI 9364: 7pp. http://dx.doi.org/10.1117/12.2179709. (Conference Contributions - Published)

• Køster B., Søndergaard J., Nielsen JB., Allen M., Bjerregaard M., Olsen A. and Bentzen J. (2015) Feasibility of smartphone diaries and personal dosimeters to quantitatively study exposure to ultraviolet radiation in a small national sample. Photodermatology, Photoimmunology & Photomedicine 31(5): 252-260. http://dx.doi.org/10.1111/phpp.12179. (Journal Articles)

• Miller KA., Huh J., Unger JB., Richardson JL., Allen MW., Peng DH. and Cockburn MG. (2015) Patterns of sun protective behaviors among Hispanic children in a skin cancer prevention intervention. Preventive Medicine 81: 303-308. http://dx.doi.org/10.1016/j.ypmed.2015.09.027. (Journal Articles)

• Nurse V., Wright CY., Allen M. and McKenzie RL. (2015) Solar Ultraviolet Radiation Exposure of South African Marathon Runners During Competition Marathon Runs and Training Sessions: A Feasibility Study. Photochemistry And Photobiology 91(4): 971-979. http://dx.doi.org/10.1111/php.12461. (Journal Articles)

• Stratimirović D., Blesić S., Wright C., Allen M. and Ajtić J. (2015) Wavelet analysis of personal solar UVR exposure. In RAD Conference Proceedings 2015-June: 443-446. (Conference Contributions - Published)

• Allen M. (2014) Invited Conference Address - High Performance ZnO Schottky Contacts. Chongqing, China: WCAM 2014 - World Congress of Advanced Materials, 6-9 Jun 2014. (Conference Contributions - Other)

• Allen M. (2014) Invited Conference Address - Unipolar devices based on ZnO (and related materials). Leipzig, Germany: TCO2014 - Transparent Conductive Oxides – Fundamentals and Applications, 29 Sep-2 Oct 2014. (Conference Contributions - Other)

• Allen M. (2014) Invited Conference Address - Zinc Oxide UV Photodetectors for use in Melanoma and Vitamin D Studies. San Diego, USA: 41st International Conference on Metallurgical Coatings and Thin Films, 28 Apr-2 May 2014. (Conference Contributions - Other)

• Allen MW., Miller KA. and Cockburn MG. (2014) SunSmart UV dosimetry programmes: From Southern Californian to New Zealand schools. In : 1-3. (Conference Contributions - Published)

• Heinhold R., Cooil SP., Evans DA. and Allen MW. (2014) Stability of the Surface Electron Accumulation Layers on the Nonpolar (101̅0) and (112̅0) Faces of ZnO. Journal of Physical Chemistry C 118(42): 24575-24582. http://dx.doi.org/10.1021/jp507820m. (Journal Articles)

• Lord AM., Maffeis TG., Allen MW., Morgan D., Davies PR., Jones DR., Evans JE., Smith NA. and Wilks SP. (2014) Surface state modulation through wet chemical treatment as a route to controlling the electrical properties of ZnO nanowire arrays investigated with XPS. Applied Surface Science 320: 664-669. http://dx.doi.org/10.1016/j.apsusc.2014.09.078. (Journal Articles)

• Medina G., Stampe PA., Kennedy RJ., Reeves RJ., Dang GT., Hyland A., Allen MW., Wahila MJ., Piper LFJ. and Durbin SM. (2014) Characterization of Tin Oxide Grown by Molecular Beam Epitaxy. In MRS Proceedings 1633: 13-18. http://dx.doi.org/10.1557/opl.2014.305. (Conference Contributions - Published)

• Mueller S., von Wenckstern H., Schmidt F., Splith D., Heinhold R., Allen M. and Grundmann M. (2014) Method of choice for fabrication of high-quality ZnO-based Schottky diodes. Journal of Applied Physics 116 194506: 1-12. http://dx.doi.org/10.1063/1.4901637. (Journal Articles)

• Schmidt F., Schlupp P., Müller S., Dietrich CP., von Wenckstern H., Grundmann M., Heinhold R., Kim HS. and Allen MW. (2014) A DLTS study of a ZnO microwire, a thin film and bulk material. In MRS Proceedings 1633: 51-54. http://dx.doi.org/10.1557/opl.2014.253. (Conference Contributions - Published)

• Allen M. (2013) Invited Conference Address - The ZnO Surface - Surface Chemistry, Carrier Accumulation and Crystallographic Polarity. Boston, MA, USA: 2013 MRS Fall Meeting (Material Research Society Symposium R - Oxide Semiconductors)), 1-6 Dec 2013. (Conference Contributions - Other)

• Allen MW. and Durbin SM. (2013) Schottky-Like Contact and Method of Fabrication.Patent No. US 8508015 B2, US. (Intellectual Property)

• Allen MW., Heinhold R., Miller P., Henseler MJH., Mendelsberg RJ., Durbin SM. and Reeves RJ. (2013) Polarity effects in the optical properties of hydrothermal ZnO. Applied Physics Letters 103 231109: 1-5. http://dx.doi.org/10.1063/1.4837219. (Journal Articles)

• Cargill J., Lucas RM., Gies P., King K., Swaminathan A., Allen MW. and Banks E. (2013) Validation of brief questionnaire measures of sun exposure and skin pigmentation against detailed and objective measures including vitamin D status. Photochemistry and Photobiology 89(1): 219-226. http://dx.doi.org/10.1111/j.1751-1097.2012.01221.x. (Journal Articles)

• Heinhold R., Williams GT., Cooil SP., Evans DA. and Allen MW. (2013) Influence of polarity and hydroxyl termination on the band bending at ZnO surfaces. Physical Review B: Condensed Matter and Materials Physics 88(23): 235315. http://dx.doi.org/10.1103/PhysRevB.88.235315. (Journal Articles)

• McKenzie R., Liley B., Johnston P., Scragg R., Stewart A., Reeder AI. and Allen MW. (2013) Small doses from artificial UV sources elucidate the photo-production of vitamin D. Photochemical & Photobiological Sciences 12(9): 1726-1737. http://dx.doi.org/10.1039/c3pp50041a. (Journal Articles)

• Schleife A., Allen M., Arnold CB., Durbin SM., Pryds N., Schneider CW. and Veal T. (2013) Materials Research Society Symposium Proceedings: Preface. In Materials Research Society Symposium Proceedings 1494: XIII-XIII. (Conference Contributions - Published)

• Schmidt F., Muller S., von Wenckstern H., Dietrich CP., Heinhold R., Kim HS., Allen MW. and Grundmann M. (2013) Comparative study of deep defects in ZnO microwires, thin films and bulk single crystals. Applied Physics Letters 103(6) 62102: 1-4. http://dx.doi.org/10.1063/1.4817824. (Journal Articles)

• Yang YS., Schleputz CM., Bellucci F., Allen MW., Durbin SM. and Clarke R. (2013) Structural investigation of ZnO O-polar (000(1)over-bar) surfaces and Schottky interfaces. Surface Science 610: 22-26. http://dx.doi.org/10.1016/j.susc.2012.12.018. (Journal Articles)

• Elzwawi S., Kim HS., Heinhold R., Lynam M., Turner G., Partridge JG., McCulloch DG., Reeves RJ. and Allen MW. (2012) Device quality ZnO grown using a Filtered Cathodic Vacuum Arc. In Physica B: Condensed Matter 407(15): 2903-2906. http://dx.doi.org/10.1016/j.physb.2011.08.074. (Conference Contributions - Published)

• Elzwawi S., Kim HS., Lynam M., Mayes ELH., McCulloch DG., Allen MW. and Partridge JG. (2012) Stable n-channel metal-semiconductor field effect transistors on ZnO films deposited using a filtered cathodic vacuum arc. Applied Physics Letters 101: 243508. http://dx.doi.org/10.1063/1.4769899. (Journal Articles)

• Evans-Freeman J., Vernon-Parry K. and Allen M. (2012) Preface. Physica B: Condensed Matter 407(15): 11. http://dx.doi.org/10.1016/S0921-4526(12)00538-8. (Journal Articles)

• Evans-Freeman J., Vernon-Parry K. and Allen M. (2012) Proceedings of the 26th International Conference on Defects in Semiconductors (ICDS-26). In Physica B: Condensed Matter 407(15): iii. http://dx.doi.org/10.1016/S0921-4526(12)00510-8. (Conference Contributions - Published)

• Evans-Freeman J., Vernon-Parry K. and Allen M. (2012) Proceedings of the Frontiers of Condensed Matter V (FCM 2010). In Physica B: Condensed Matter 407(16): iii. http://dx.doi.org/10.1016/S0921-4526(12)00553-4. (Conference Contributions - Published)

• Heinhold R. and Allen MW. (2012) Polarity-dependent photoemission of in situ cleaved zinc oxide. Journal of Materials Research 27: 2214-2219. http://dx.doi.org/10.1557/jmr.2012.181. (Journal Articles)

• Heinhold R., Kim HS., Schmidt F., von Wenckstern H., Grundmann M., Mendelsberg RJ., Reeves RJ., Durbin SM. and Allen MW. (2012) Optical and defect properties of hydrothermal ZnO with low lithium contamination. Applied Physics Letters 101(6) 62105: 5pp. http://dx.doi.org/10.1063/1.4739515. (Journal Articles)

• Mayes ELH., Partridge JG., Field MR., McCulloch DG., Durbin SM., Kim HS. and Allen MW. (2012) The interface structure of high performance ZnO Schottky diodes. In Physica B: Condensed Matter 407(15): 2867-2870. http://dx.doi.org/10.1016/j.physb.2011.08.032. (Conference Contributions - Published)

• Schlepütz CM., Yang Y., Husseini NS., Heinhold R., Kim HS., Allen MW., Durbin SM. and Clarke R. (2012) The presence of a (1 × 1) oxygen overlayer on ZnO(0001) surfaces and at Schottky interfaces. Journal of Physics: Condensed Matter 24(9) 95007: 5pp. http://dx.doi.org/10.1088/0953-8984/24/9/095007. (Journal Articles)

• Seckmeyer G., Klingebiel M., Riechelmann S., Lohse I., McKenzie RL., Liley JB., Allen MW., Siani AM. and Casale GR. (2012) A critical assessment of two types of personal UV dosimeters. Photochemistry and Photobiology 88(1): 215-222. http://dx.doi.org/10.1111/j.1751-1097.2011.01018.x. (Journal Articles)

• Sultan SM., Sun K., Clark OD., Masaud TB., Fang Q., Gunn R., Partridge J., Allen MW., Ashburn P. and Chong HMH. (2012) Electrical Characteristics of Top-Down ZnO Nanowire Transistors Using Remote Plasma ALD. IEEE Electron Device Letters 33(2): 203-205. http://dx.doi.org/10.1109/LED.2011.2174607. (Journal Articles)

• Allen M. (2011) Invited Conference Address - The influence of crystallographic polarity on the optical properties of ZnO. The Moscone Center San Francisco, CA, United States: SPIE Photonics West 2011 (International Society for Optics and Photonics Symposia), 23-28 Jan 2011. (Conference Contributions - Other)

• Allen M. (2011) Invited Conference Address - Zinc oxide surfaces, interfaces, devices and applications. Wellington, New Zealand: AMN-5 5th International Conference on Advanced Materials and Nanotechnology, 7-11 Feb 2011. (Conference Contributions - Other)

• Allen MW., Zemlyanov DY., Waterhouse GIN., Metson JB., Veal TD., McConville CF. and Durbin SM. (2011) Polarity effects in the x-ray photoemission of ZnO and other wurtzite semiconductors. Applied Physics Letters 98(10) 101906: 3pp. http://dx.doi.org/10.1063/1.3562308. (Journal Articles)

• Mendelsberg RJ., Allen MW., Durbin SM. and Reeves RJ. (2011) Photoluminescence and the exciton-phonon coupling in hydrothermally grown ZnO. Physical Review B: Condensed Matter and Materials Physics 83(20): 205202. http://dx.doi.org/10.1103/PhysRevB.83.205202. (Journal Articles)

• Partridge JG., Kim D., Heinhold R., Field MR., Durbin SM., Reeves RJ. and Allen MW. (2011) Characterisation and device applications of ZnxMg1-xO films grown by pulsed laser deposition. In IEEE Xplore: 2pp. http://dx.doi.org/10.1109/COMMAD.2010.5699790. (Conference Contributions - Published)

• Sultan SM., Sun K., Partridge J., Allen M., Ashburn P. and Chong HMH. (2011) Fabrication of ZnO nanowire device using top-down approach. In IEEE Xplore: 3pp. http://dx.doi.org/10.1109/ULIS.2011.5757956. (Conference Contributions - Published)

• Allen M. (2010) Invited Conference Address - Influence of Spontaneous Polarization and Intrinsic Gap States in Schottky Contacts to ZnO. Albuquerque Convention Center, NM, USA: AVS 57th International Symposium & Exhibition (American Vacuum Society Symposia), 17-22 Oct 2010. (Conference Contributions - Other)

• Allen M. (2010) Invited Conference Address - Surface Polarity Effects in the Optical and Electronic Properties of ZnO. Montecatini Terme, Italy: CIMTEC 2010 - 5th Forum on New Materials, 13 Jun-18 Jul 2010. (Conference Contributions - Other)

• Allen MW. and Durbin SM. (2010) Role of a universal branch-point energy at ZnO interfaces. Physical Review B 82(16) 165310: 1-5. http://dx.doi.org/10.1103/PhysRevB.82.165310. (Journal Articles)

• Allen MW., Swartz CH., Myers TH., Veal TD., McConville CF. and Durbin SM. (2010) Bulk transport measurements in ZnO: The effect of surface electron layers. Physical Review B: Condensed Matter and Materials Physics 81(7): 75211. http://dx.doi.org/10.1103/PhysRevB.81.075211. (Journal Articles)

• Durbin SM., Von Wenckstern H. and Allen MW. (2010) Materials Research Society Symposium Proceedings: Preface. In Materials Research Society Symposium Proceedings 1201. (Conference Contributions - Published)

• Partridge JG., Kim D., Heinhold R., Field MR., Durbin SM., Reeves RJ., Allen MW. and IEEE. (2010) Characterisation and device applications of ZnXMg1-xO films grown by pulsed laser deposition. In PROCEEDINGS OF 2010 CONFERENCE ON OPTOELECTRONIC AND MICROELECTRONIC MATERIALS AND DEVICES (COMMAND 2010): 79-80. (Conference Contributions - Published)

• Allen MW., Mendlesberg RJ., Reeves RJ. and Durbin SM. (2009) Oxidized noble metal Schottky contacts to n-type ZnO. Applied Physics Letters 94(10): 3pp. http://dx.doi.org/10.1063/1.3089871. (Journal Articles)

• Allen MW., Weng X., Redwing JM., Sarpatwari K., Mohney SE., von Wenckstern H., Grundmann M. and Durbin SM. (2009) Temperature-Dependent Properties of Nearly Ideal ZnO Schottky Diodes. IEEE Transactions On Electron Devices 56(9): 2160-2164. http://dx.doi.org/10.1109/TED.2009.2026393. (Journal Articles)

• Sarpatwari K., Awadelkarim OO., Allen MW., Durbin SM. and Mohney SE. (2009) Erratum: Extracting the Richardson constant: IrOx /n-ZnO Schottky diodes (Applied Physics Letters (2009) 94 (242110)). Applied Physics Letters 95(5) http://dx.doi.org/10.1063/1.3197618. (Journal Articles)

• Sarpatwari K., Awadelkarim OO., Allen MW., Durbin SM. and Mohney SE. (2009) Extracting the Richardson constant: IrOx/n-ZnO Schottky diodes. Applied Physics Letters 94(24): 3pp. http://dx.doi.org/10.1063/1.3156031. (Journal Articles)

• Allen MW. (2008) Schottky Contact Formation to Bulk Zinc Oxide. Christchurch, New Zealand. University of Canterbury. (Theses / Dissertations)

• Allen MW. and Durbin SM. (2008) Influence of oxygen vacancies on Schottky contacts to ZnO. Applied Physics Letters 92(12): 122110. http://dx.doi.org/10.1063/1.2894568. (Journal Articles)

• Allen MW., Durbin SM. and Metson JB. (2007) Silver oxide Schottky contacts on n-type ZnO. Applied Physics Letters 91(5): 53512. http://dx.doi.org/10.1063/1.2768028. (Journal Articles)

• Allen MW., Miller P., Metson JB., Reeves RJ., Alkaisi MM. and Durbin SM. (2007) Schottky contact behaviour as a function of metal and ZnO surface polarity. In Material Research Society Symposium Proceedings 957: 1-6. http://dx.doi.org/10.1557/PROC-0957-K09-03. (Conference Contributions - Published)

• Allen MW., Miller P., Reeves RJ. and Durbin SM. (2007) Influence of spontaneous polarization on the electrical and optical properties of bulk, single crystal ZnO. Applied Physics Letters 90(6): 62104. http://dx.doi.org/10.1063/1.2450642. (Journal Articles)

• Allen MW., von Wenckstern H., Grundmann M., Hatfield S., Jefferson P., King P., Veal T., McConville C. and Durbin S. (2007) Mechanisms in the formation of high quality Schottky contacts to n-type ZnO. In Materials Research Society Symposium Proceedings 1035(Zinc Oxide and Related Materials-2007). (Conference Contributions - Published)

• von Wenckstern H., Schmidt H., Grundmann M., Allen MW., Miller P., Reeves RJ. and Durbin SM. (2007) Defects in hydrothermally grown bulk ZnO. Applied Physics Letters 91: 22913. http://dx.doi.org/10.1063/1.2757097. (Journal Articles)

• Allen MW., Alkaisi MM. and Durbin SM. (2006) Metal Schottky diodes on Zn-polar and O-polar bulk ZnO. Applied Physics Letters 89: 103520-103520. http://dx.doi.org/10.1063/1.2346137. (Journal Articles)

• Durbin SM., Lee WCT., Allen M., Miller P. and Reeves RJ. (2006) Role of active oxygen species on growth of ZnO using RF-PAMB. In Material Research Society Symposium Proceedings 891: 6pp. http://dx.doi.org/10.1557/PROC-0891-EE08-04. (Conference Contributions - Published)

• Allen MW. and McKenzie R. (2005) Enhanced UV exposure on a ski-field compared with exposures at sea level. Photochemical & Photobiological Sciences 4((5)): 429-437. http://dx.doi.org/10.1039/b418942f. (Journal Articles)

• Durbin SM., Lee WCT., Miller P. and Reeves RJ. (2005) Role of active oxygen species on growth of ZnO using RF-PAMBE. In Proceedings of the Materials Research Society 891. (Conference Contributions - Published)

• Annaratone BM., Allen MW. and Allen JE. (1992) Ion Currents to Cylindrical Langmuir Probes in RF Plasmas. Journal of Physics D-Applied Physics 25((3)): 417-424. http://dx.doi.org/10.1088/0022-3727/25/3/012. (Journal Articles)

Review and Refereeing

• ACS Applied Materials and Interfaces ( 2006 - 2023)
• Applied Physics Letters ( 2006 - 2023)
• Applied Surface Science ( 2006 - 2023)
• IEEE Transactions on Electron Devices ( 2006 - 2023)
• Journal of Applied Physics ( 2006 - 2023)
• Journal of Crystal Growth ( 2006 - 2023)
• Journal of Electronic Materials ( 2006 - 2023)
• Journal of Materials Research ( 2006 - 2023)
• Journal of Materials Science ( 2006 - 2023)
• Optical Materials ( 2006 - 2023)
• Physica B ( 2006 - 2023)
• Thin Solid Films ( 2006 - 2023)

Research Groups

Future Research

• Polarization doping of metal oxide semiconductors
• Solid state UV spectral radiometers