Photodetector New Paper - Graphene-Silicon-On-Insulator (GSOI) Schottky Diode Photodetectors Hakan Selvi has had a paper accepted for publication in RSC Nanoscale describing SOI graphene-based photodetectors. In a collaboration between the Echtermeyer group and the Parkinson group at the University of Manchester, Hakan showed that by modifying the shape and thickness of the silicon, the electrical and optical characteristics could
Ken Crozier Visitors from Melbourne A welcome to Jasper, Vivek and Jiajun from the Crozier group at the University of Melbourne who visit our group for the week. This visit, funded through the Manchester-Melbourne linkage program, will allow the Melbourne group to use some of the microscopy facilities within the Photon Science Institute to understand
Compressive Sensing Welcome to Lily and Rachel Lily Shepherd and Rachel Clarke join the group as 4th year MPhys students. They will be working on developing fast techniques for looking at homogeneity in photovoltaic cells, extending the work done over the summer by Edoardo Altamura.
Hoyeon Choi Welcome to Hoyeon Choi! A welcome to Hoyeon Choi, who joins the group as a PhD student from the Advanced Photonics Research Institute at the Gwangju Institute of Science and Technology. Hoyeon is co-supervised by Wendy Flavell, and will focus on the role of morphology on energy dynamics in novel photovoltaic materials.
Compressive Sensing Rank Prize Internship - Edoardo Altamura Over Summer 2018, Edoardo Altamura has worked as a Rank Prize Optoelectronics Intern on developing techniques for photovoltaic characterisation. He describes his research: Photovoltaic energy proved to play a decisive role in a variety of areas, from everyday life power consumption to space satellites. Assessing the efficiency of devices capable
Arturo Alanis Photon 2018 Both Stefan and Arturo will present at Photon 2018 in Aston, UK (September 3rd-6th, 2018). Stefan presented a poster on “Time and Spectrally-Resolved Microscopy of GaAsP-GaAs core-shell Quantum Well Lasers“, describing some recent work with collaborators in the group of Prof. Huiyun Liu at University College London. Arturo presented a
Edoardo Altamura Thanks to Edoardo Altamura! Edoardo has completed his 10 week placement in the group as an optoelectronics intern, funded by the Rank Prize funds. During his stay he has developed hardware, software, and optical approaches to use compressive sensing with low-cost equipment for characterising photovoltaic cells. Many thanks to Edoardo for his hard work!
Astrometry New Paper: Modal refractive index measurement in nanowire lasers - a correlative approach The group has had a paper accepted in the IOP journal Nano Futures entitled Modal refractive index measurement in nanowire lasers – a correlative approach. In this work, image processing and registration techniques from astronomy have been adapted to allow marker-free identification of single nanowire using multiple approaches. We have demonstrated
Nanowires Conference talk at Nanowire Week 2018 Patrick spoke at Nanowire Week 2018, on “Non-contact measurement of p-doping for high-yield room-temperature nanowire lasing”. This project, led by Arturo Alanis and carried out in collaboration with colleagues at the Australian National University, studied semiconductor nanowire ensembles to reveal correlations between doping and functional performance. Nanowire Week 2018 was
Import 2022-12-08 21:42 The Optoelectronic Materials Spectroscopy group at Manchester Physics Welcome to the OMS research group at the University of Manchester. Our group carries out research within the Photon Physics sub-group of the Department of Physics and Astronomy, based in the Photon Science Institute at the University of Manchester. We study the origin and role of inhomogeneity in novel optoelectronic
Edoardo Altamura Rank Prize Summer Studentship 2018 The group will host another 10-week summer studentship, funded through the Rank Prize Funds. The project on “Rapid, multispectral photovoltaic performance mapping using structured light illumination” will see one of our 3rd year undergraduate students Edoardo Altamura design, build and test a device for high speed characterisation. We look forward
ANU New Publication - Distinguishing cap and core contributions to the photoconductive terahertz response of single GaAs based core–shell–cap nanowire Our recent work on single-nanowire terahertz detectors has been published in a special issue of the Lithuanian Journal of Physics, celebrating the 70th birthday of Prof. Arunas Krotkus. In this work, Dr Kun Peng used single-nanowire terahertz detectors with different capping to understand the relative contribution of the core and
Lancaster University PhD Viva in Lancaster Patrick acted as external PhD examiner for Hayfaa Alradhi, a student in the group of Dr Qiandong Zhuang in the Physics Department at Lancaster University.
Bryce Dorin New Paper - Three-dimensional direct laser written graphitic electrical contacts to randomly distributed components A paper by Dr Bryce Dorin has been published in Applied Physics A, where our recently developed direct-laser-writing technique was put to use contacting randomly distributed and encapsulated components. In this work, Bryce distributed and encapsulated commercial microLEDs in a polyimide/epoxy system, and used direct laser writing to convert
Arturo Alanis UK III-V Nanowire Meeting Patrick spoke at the UK III-V nanowire meeting in Oxford on March 20th on “Big-data for nano-wires”. This meeting brought together the UK community in nanowire growth and characterisation for a one-day workshop. PhD student Arturo gave a poster on his most recent work related to nanowire statistics.
PhD examiner PhD Viva in Nottingham Patrick acted as external PhD examiner for James Kerfoot, a student in the group of Prof. Peter Beton in the School of Physics and Astronomy at the University of Nottingham.
Exchange Manchester - Melbourne Linkage Scheme: First trip Patrick visited Prof Ken Crozier and postdoc Jasper Cadusch at the University of Melbourne from 19th February to 22nd February as part of the Manchester-Melbourne linkage scheme. He gave the Physics Department Colloquium on Tuesday 20th February. During the 5 day trip, Patrick learnt about new devices being made in
Photodetector New Paper : Towards Substrate Engineering of Graphene-Silicon Schottky Diode Photodetectors A new paper describing the development and characterisation of high-speed Graphene-Silicon Schottky photodetectors has been published in RSC Nanoscale. The work, led by PhD student Hakan Selvi and Tim Echtermeyer includes high-speed device characterisation performed in the Parkinson lab. The new devices are broadband, high-speed, large-area and low-cost photodetectors which
Ken Crozier Manchester-Melbourne Linkage Scheme Patrick Parkinson (Manchester) and Ken Crozier (Melbourne) have been awarded linkage scheme funding to establish a collaboration. This funding, established by the two universities, will allow bilateral exchanges to exploit areas of expertise at the two institutions. This project will explore nanostructured silicon materials developed by the Crozier group using
Ruqaiya Welcome to Ruqaiya! A welcome to Ruqaiya who joins us as a visitor for the next three weeks. Ruqaiya will work on a project on high-speed multiphoton photocurrent mapping.
Arturo Alanis Laser path illuminated Thanks to Arturo for some illustrative laser path photos in the newly set-up lab space
MPhys Welcome to MPhys students! Welcome to Max Kahan, Pedro Trula, Michael Thorpe and Tom Thirlwell who join the group as MPhys students. Max and Pedro will work on the application of machine learning approaches to studying large scale spectroscopic and imaging data produced by our nanowire characterisation tool. Michael and Tom will work on
Pawita Boonrat Welcome to Pawita! A welcome to Pawita Boonrat, who joins the group for a PhD. Pawita will be primarily supervised by Mark Dickinson and is co-supervised by Patrick. Her project is co-sponsored by Lynton Lasers, and will focus on the development of lasers for conservation purposes.
Bryce Dorin Congratulations to Bryce! Bryce has passed his PhD viva with just minor changes. Congratulations to Bryce on his work!