The total EU electronics industry employs ≈20.5 million people, sales exceeding €1 trillion and includes 396,000 SMEs. It is a major contributor to EU GDP and its size continues to grow fueled by demand from consumers to many industries. Despite its many positive impacts, the industry also faces some challenges connected with the enormous quantity of raw materials that it needs for sustainability, the huge quantity of Waste Electrical, Electronics Equipment (WEEE) generated and the threat of competition from Asia. To sustain its growth, to manage the impact of WEEE and to face the competition from Asia, the industry needs innovations in key areas. One such area is the drive for ultra-miniaturisation/ultlra-functionality of equipment. The key current road block/limitation to achieving the goal of ultra-miniaturisation/functionality is how to increase the component density on the printed circuit board (PCB). This is currently limited by the availability of hyper fine pitch solder powder pastes. FineSol aims to deliver at first stage an integrated production line for solder particles with size 1-10 μm and to formulate solder pastes containing these particles. Thus, by proper printing methods (e.g. screen and jet printing) the fabrication of PCBs with more than double component density will be achieved. Consequently, this would effectively enable more than a doubling of the functions available on electronic devices such as cell phones, satellite navigation systems, health devices etc. The successful completion of the FineSol project would lift the ultra-miniaturisation/functionality road block and also enable reduction in raw material usage, reduction in WEEE, reduction in pollution and associated health costs and also a major reduction in EU energy demand with all its indirect benefits for environment and society.

Silicon sensors are essential in a range of fields, from cutting-edge research (e.g. particle physics, chemistry, materials science) to industry (agriculture, manufacturing), and everyday devices (cameras, security). They are the eyes of our electronic world. As we develop more precise sensors, for example cameras with smaller pixels, the potential reach of these devices increases, allowing more processes to be investigated, and with more detail. Currently the resolution of such sensors is at the micrometre level. However, the time precision is relatively much worse, due to significant technological challenges in assigning times to the signals in the silicon. The best precision for small-pixel silicon sensors is at the nanosecond (ns) level. By comparison, light travels 300,000 micrometre per ns. Our ability to observe many processes is significantly hampered by limitations in time precision. For fast (~1ns duration) processes, adding picosecond-level (1ps = 0.001ns) timing to micrometre-level spatial measurements effectively corresponds to the difference between still images and video, and hence has the potential to open up entire new fields of research. Such processes occur, for example, in particle and nuclear physics, chemistry, and materials science. The ultimate aim of this project is to develop sensors that for the first time simultaneously reach precision at the micrometre-level in space, and picosecond-level in time: a high-speed video camera for the smallest observable scales. We start from a new type of sensor only developed in the past decade: Low Gain Avalanche Detectors (LGAD). By adding specially-treated semiconductor layers to the silicon, the time of signal collection is significantly reduced, making it possible to reach ~30ps precision. However, the only devices so far developed have large (mm-size) pads rather than pixels. Our programme of research will focus on ways to transform these devices into pixel sensors, by considering new geometries and doping approaches, and thin sensors. The key is to maintain as uniform an electric field as possible within the pixel, to ensure fast signal development. We have started preliminary studies, including fabrication of prototype devices, and now we are ready to push forward with an aggressive research and development phase. Researchers from the Universities of Glasgow and Manchester will work with a commercial semiconductor manufacturer (Micron) to design and fabricate a range of new LGAD sensors, and analyse their performance using several high-tech methods ('transient current technique' - TCT and 'two photon absorption' - TPA). In parallel, we will develop realistic simulations of the detectors using TCAD models, to predict the sensor characteristics under different designs. These simulations will be validated using the TCT and TPA results from our measurements. All of our results will be published in open-access journals, taking us a step closer to the dream of '4D' precision sensors. In parallel, we will develop a network of potential beneficiaries of these new devices, in particular for the fields of materials science and proton therapy. We have already established connections with representatives within these areas, who will help us to build the network, starting with two dedicated workshops. These will be used to build a specifications document where the required technology performances are defined. They will also enable us to reach further to identify more potential users of this new technology, in the UK and beyond.

Thermal neutrons are by-products of generating energy in nuclear power stations and from naturally occurring and artificially created radioactive sources. They are used in industry and medicine as a means to probe materials, and to initiate controlled nuclear reactions that in the case of Boron Neutron Capture therapy can treat cancer effectively. Neutrons are used and occur in a wide range of scientific applications. Being able to accurately and efficiently measure the presence of neutrons allows us to use thermal neutrons in a beneficial way, and to work to minimise radiation created in facilities. Helium 3 is the element that has the highest probability of interaction with thermal neutrons, but it is expensive and supplies of this material are limited. Alternatives to Helium-3 based neutron detectors are required for the nuclear industry, security, scientific and medical research. This proposal seeks to make a new type of non-Helium-3 thermal neutron detector by merging the capabilities of an interdisciplinary team of researchers at Queen Mary University of London with that of the UK company Micron Semiconductor Ltd.

Increasingly conventional materials are not able to meet the performance levels required by new technologies. We need new materials with combinations of extraordinary properties that enable scientists and technologists to achieve the otherwise impossible. Diamond is one such super-material, which can be synthesized with ever-increasing control over the exploitable properties. The synthesis of diamond is currently an area where the UK leads the world. Examples of applications include exploitation of (i) ultra/isotopically pure diamond for quantum, photonic and electronic technologies including diamonds functionalised with ensembles of nitrogen-vacancy defects for magnetic imaging of living cells, magnetic navigation and solid-state masers; (ii) heavily boron-doped diamond for electrochemical sensing (in both hostile and biological environments) and water treatment; (iii) large diamond optical elements for next-generation lasers where diamond is an active intra-cavity element rather than just a window; (iv) polycrystalline diamond for acoustic and for thermal management applications ranging from power electronics to 5G communications. Seizing the scientific and commercial opportunities of Diamond Science and Technology (DST) and staying ahead of stiff global competition, requires coordinated research at TRL 1-3, capture and protection of UK generated IP and researchers who can tackle multi-disciplinary challenges head-on. The proposed Prosperity Partnership would ensure that the UK's scientific and technological lead in DST is not eroded. The programme of research and collaboration is split into three work-packages (WPs). WP1 focusses on the synthesis, characterisation, and exploitation of perfect diamond in which the maximum exploitable properties are unleashed because deleterious impurities and defects which cause problematic strain are removed. Larger-area single crystal CVD diamond will be grown since diamond's immense potential is limited in many application areas by the small sizes currently available. Functionalised diamond will also be produced where the useful defects have been controllably introduced. WP2 concentrates on the development of processing, functionalisation, and integration technologies for diamond. Growing the diamond is not enough: we have to develop the tool kit that enables processing of diamond into the desired geometrical structure, integration with other materials and suitable packaging that in no way limits performance advantages. WP3 addresses the challenge of quality assurance such that end users know that the packaged material properties meet their requirements, and that the material can be reproducibly produced at a reasonable cost. Also, in WP3 we will produce proof of concept devices that show the potential and seed new product development. The project outcomes will include new materials with improved and tailored properties, new science enabled by enhanced intrinsic properties and the ability to manufacture innovative diamond devices. The significant impacts of the work will be in the new materials and processes demonstrated, increased confidence in others to exploit diamond because we have established a complete diamond supply chain (from production of the material to integration in devices, whilst still retaining the required properties) and the commercialisation of the breakthroughs by partner companies. The new scientific understanding generated by the research will allow us to create innovative and disruptive technologies: we are focused on maximizing the impact of this research and technology development to the greatest benefit of our society. The deliverables of our research programme address many of the major challenges facing us today and we will, in collaboration with the Centre for Doctoral Training in DST, promote the impact of DST research (and STEM in general) via a number of outreach activities. We will actively embrace, at all levels, equality, diversity and inclusion.

The development of photon counting spectroscopic wide bandgap X-ray and gamma-ray detectors is important for a number of research disciplines and to UK economic success, both in the short and longer terms. Wide bandgap X-ray and gamma-ray detectors, made from materials such as Al0.52In0.48P, enable the deployment of such spectrometers in environments that would be too hot for conventional semiconductor detectors without cooling. This project will lay the foundations for Al0.52In0.42P to become a practical material for next generation high temperature (> 20 degrees C) X-ray and gamma-ray detectors, as well as making broader important contributions to detector physics and III-V materials research. X-ray spectrometers are of national importance economically, scientifically, and socially, since they are needed for a wide variety of applications spanning industrial, scientific, health, and security uses. Gamma-ray spectrometers are needed for multiple applications in nuclear science and engineering, including isotopic analysis, measurement of fission products, and nuclear material detection and interdiction.