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The development and exploitation of Terahertz technology

Summary of the impact

The development by Cambridge University staff of compact semiconductor sources and detectors of Terahertz radiation has opened up this part of the electromagnetic spectrum to commercial use for the first time, enabling many applications. In medicine these applications include the analysis of drugs and the detection and imaging of cancer; in security applications the detection and imaging of explosives; and in the semiconductor industry the detection and imaging of buried defects in semiconductor wafers. High power Terahertz lasers are used in gas sensors, for imaging and as local oscillators. This technology has been exploited by a spin-off company TeraView which has 25 employees, has raised £16M in funding, £3.5M since 2008, and has sold 70 imaging systems, half since 2008 at an average cost of $300K each.

Submitting Institution

University of Cambridge

Unit of Assessment

Physics

Summary Impact Type

Technological

Research Subject Area(s)

Physical Sciences: Atomic, Molecular, Nuclear, Particle and Plasma Physics, Other Physical Sciences
Technology: Communications Technologies

Nanoinstruments

Summary of the impact

Innovative deposition equipment manufactured by AIXTRON Nanoinstruments, a company created to exploit research outputs of the University of Cambridge Department of Engineering, is used around the world to grow carbon nanotubes and graphene. These materials are subject to intensive efforts to refine and commercially exploit their unique properties. AIXTRON Nanoinstruments is based in the UK and has produced almost 100 products, the majority of which were after 2008 and sold to customers internationally. Products range in price from GBP80k to GBP1.5M. [text removed for publication]

Submitting Institution

University of Cambridge

Unit of Assessment

General Engineering

Summary Impact Type

Economic

Research Subject Area(s)

Physical Sciences: Other Physical Sciences
Chemical Sciences: Physical Chemistry (incl. Structural)
Engineering: Materials Engineering

Crystals for National Security and Biomedical Diagnostics

Summary of the impact

X-ray scanners are a staple of the security industry: their use at ports and airports is a key component of national security. In order to function effectively, these scanners require state-of-the- art scintillator materials and, given the size of the global market and importance of the industry, there is a drive to make these materials work more effectively to achieve better clarity in object identification and faster scanning times.

This case study describes the development of a new scintillator product for Hilger Crystals Ltd which was based on a long-term collaboration with materials researchers at the University of Kent. This represents a substantial contribution to: improving security at country entry/exit points; the commercial success of Hilger and the company's ability to enter new markets (for example medical diagnostic uses). In addition to the downstream security and diagnostic impact arising from this work there have been a number of concomitant benefits to the country, the company and the University.

Submitting Institution

University of Kent

Unit of Assessment

Chemistry

Summary Impact Type

Technological

Research Subject Area(s)

Chemical Sciences: Physical Chemistry (incl. Structural), Theoretical and Computational Chemistry
Engineering: Materials Engineering

High-efficiency low-cost LEDs

Summary of the impact

Research on the growth of gallium nitride (GaN) light-emitting diode (LED) structures has led to the creation of two spin-out businesses (subsequently sold), has assisted Forge Europa Ltd in expanding its sales of LED-lighting products, has helped AIXTRON to achieve sales of related GaN-growth equipment [text removed for publication], & has enabled Plessey Semiconductors Ltd to manufacture the world's first commercially available LEDs on 6-inch Si (& the first LEDs to be manufactured in the UK).

Submitting Institution

University of Cambridge

Unit of Assessment

Electrical and Electronic Engineering, Metallurgy and Materials

Summary Impact Type

Technological

Research Subject Area(s)

Physical Sciences: Atomic, Molecular, Nuclear, Particle and Plasma Physics, Other Physical Sciences
Engineering: Materials Engineering

2. Impact of research into strained silicon on the electronics and energy sectors

Summary of the impact

Research carried out at Warwick into the growth of silicon-based layered semiconductors has had a variety of impacts in the fields of microelectronics and solar energy generation. In 2004, a spin- out company AdvanceSis was created to exploit the patent portfolio of Warwick's NanoSilicon Group, with an initial £300 k of Regional Development Fund support. The company, having focused on the business of solar energy generation through concentrator photovoltaic (CPV) technology and renamed Circadian Solar, was valued at £3.5 million by the end of 2011. Further impact of the Warwick silicon research, in the period since 2008, has come in the form of joint R&D programmes with companies in the electronics and ICT sectors, including supplying advanced semiconductor materials and by providing highly skilled employees trained in the research group.

Submitting Institution

University of Warwick

Unit of Assessment

Physics

Summary Impact Type

Technological

Research Subject Area(s)

Chemical Sciences: Physical Chemistry (incl. Structural)
Engineering: Electrical and Electronic Engineering, Materials Engineering

A New Manufacturing, Research and Development Centre for e2v

Summary of the impact

Our research on semiconductor materials and devices has led to the establishment by e2v Technologies of a combined manufacturing, research and development facility within the School of Physics and Astronomy. We have adapted and transferred device simulation software to e2v, and have provided epitaxially-grown semiconductors and access to fabrication facilities which have been used in their manufacturing processes. Devices fabricated within the facility, which was opened in 2011, have generated sales of £7M for e2v. This initiative has also led to shifts in the investment priorities of e2v, and mitigated risks to the company arising from import restrictions associated with the US International Traffic in Arms Regulations (ITAR).

Submitting Institution

University of Nottingham

Unit of Assessment

Physics

Summary Impact Type

Technological

Research Subject Area(s)

Physical Sciences: Atomic, Molecular, Nuclear, Particle and Plasma Physics
Chemical Sciences: Physical Chemistry (incl. Structural)
Engineering: Materials Engineering

Surrey NanoSystems: Meeting the International Technology Roadmap for Semiconductors

Summary of the impact

Surrey Spin-out Surrey Nano Systems (SNS) is a business based around key patents resulting from the work of Prof. Ravi Silva and his team. SNS has raised over £11M from investors who have scrutinised the technology and recognise its value. The business develops technologies for low-substrate-temperature growth of carbon nanotubes (CNTs) and for novel low-k dielectric materials both of which align with the International Technology Roadmap for Semiconductors (ITRS). SNS is working closely with multinational leaders and has attracted a team that includes senior management experience of selling into the semiconductor process equipment market.

Submitting Institution

University of Surrey

Unit of Assessment

Electrical and Electronic Engineering, Metallurgy and Materials

Summary Impact Type

Technological

Research Subject Area(s)

Chemical Sciences: Macromolecular and Materials Chemistry, Other Chemical Sciences
Engineering: Materials Engineering

Physics at Work

Summary of the impact

Between January 2008 and July 2013, over 10,000 key stage 4 school students and their teachers directly engaged with active research of the Cavendish Laboratory, Department of Physics, University of Cambridge through an annual interactive 3 day exhibition, titled "Physics at Work". In 2012 the event attracted 31 non-selective state schools and 17 selective/independent schools, 23 of which had visited the exhibition 3 or more times previously- a testament to its success. Building on the enthusiasm that the students showed during their participation in the event, teachers noted an increase in the number opting to study A-level physics and stated that those previously with no interest left with a very positive image of the subject.

Submitting Institution

University of Cambridge

Unit of Assessment

Physics

Summary Impact Type

Societal

Research Subject Area(s)

Physical Sciences: Other Physical Sciences
Chemical Sciences: Macromolecular and Materials Chemistry, Physical Chemistry (incl. Structural)

How LCD research created one of the UK’s fastest growing companies

Summary of the impact

Researchers, and the work they undertook at the University of Exeter during the 1990s, led to the formation of the Defence Evaluation and Research Agency's (now QinetiQ) first spinout company: ZBD Displays Ltd. Achieving revenue growth of 17,910% over the last five years, ZBD's unique electronic retail signage and shelf-edge labelling technology is used by major retailers all over the world. The invention used the know-how developed by ZBD's company founders whose R&D and engineering teams all include former postgraduates from the School of Physics and Astronomy, who acquired their expertise under the supervision of Professors Roy Sambles and Bill Barnes.

Submitting Institution

University of Exeter

Unit of Assessment

Physics

Summary Impact Type

Technological

Research Subject Area(s)

Chemical Sciences: Macromolecular and Materials Chemistry, Physical Chemistry (incl. Structural)
Engineering: Materials Engineering

An X-ray tool for the prediction of catastrophic failure during semiconductor manufacture (Jordan Valley)

Summary of the impact

Semiconductor wafers are subject to damage from misaligned handling tools, leading to cracks. Most of these are benign, but a few propagate to cause silicon wafer breakage during high temperature processing, leading to losses in production time costing millions of dollars per year. Research in Durham showed that X-ray Diffraction Imaging can be used to identify which cracks will catastrophically fail. As a consequence, Jordan Valley UK Ltd has designed and already sold over £M [text removed for publication] worth of X-ray imaging tools to the semiconductor industry. The company identifies this product as being critical to its continuation, safeguarding more than 25 jobs, and growth over the past 2 years.

Submitting Institution

University of Durham

Unit of Assessment

Physics

Summary Impact Type

Technological

Research Subject Area(s)

Engineering: Materials Engineering

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