Professor Paul Sellin
Professor, Head of Department
Qualifications: B.Sc. (Birmingham), PhD (Edinburgh), MInstP, CPhys, MIEEE
Email: p.sellin@surrey.ac.uk
Phone: Work: 01483 68 6814
Room no: 07 BB 03
Further information
Biography
- BSc Physics (Hons.) First Class, University of Birmingham, Sept 1985 - July 1988
- PhD in Experimental Nuclear Physics. University of Edinburgh, Thesis entitled ‘Proton radioactivity measurements using a double-sided silicon strip detector’, Oct 1988 - Jan 1992
Research Interests
- Development and characterisation of high-Z compound semiconductor materials (eg. GaAs, InP, CdTe, CdZnTe) for X-ray and nuclear medicine imaging detectors.
- Characterisation of radiation-hard detector materials (eg. diamond, silicon carbide, gallium nitride) for specialised radiation imaging applications, where high dose rate and/or high temperature capability is required.
- New semiconductor detector materials suitable for low temperature processing of direct X-ray conversion layers, compatible with CMOS pixel devices.
- New technologies for neutron detection, including boron-loaded liquid scintillators and boron/lithium-coated semiconductor devices.
Recent student PhD theses
“Electric field studies on Cadmium Zinc Telluride Materials”
Georgios Prekas, 2011
Abstract
“Fabrication and Characterisation of Graphite Electrodes for Diamond X-ray Dosimeters”
Hussain Albarakaty, 2011
Abstract
"Properties of CdMnTe as a room temperature semiconductor radiation detector"
James Parkin, 2009
Abstract
"Charge Transport and Low Temperature Phenomena in Single Crystal CdZnTe"
Matthew Veale, 2009
Abstract
"Charge Carrier Transport in THM grown CdTe"
Andrew Davies, 2008
Abstract
"Digital Data Acquisition Techniques for Fast Neutron Detection using Liquid Scintillator"
Ghulam Jaffar, 2007
Abstract
"Temperature dependent charge transport studies in polycrystalline and single crystal CVD diamond detectors"
Annika Lohstroh, 2006
Abstract
"Characterisation of Semi-Insulating GaAs and InP for use in Radiation Detection"
Hanan El-Abbassi, 2004
Abstract
"Development of CVD Diamond Radiation Detectors"
Arnaldo Galbiati, 2003
Abstract
"Development of a Capture-Gated Fast Neutron Detector with Pulse Shape Discrimination using Digital Pulse Processing"
Saddig Jastaniah, 2003
Abstract
Please contact me if you wish to receive a complete copy of one of these theses.
Selected Research Talks:
ICNMTA2006 - Singapore July 10-14th 2006
"IBIC studies of charge transport in single-crystal synthetic diamond"
PDF file (3758 kB)
IWORID7 - Grenoble July 3-7th 2005
"Recent developments in compound semiconductor radiation imaging detectors"
PDF file (4783 kB)
IEEE NSS / RTSD - Rome October 16-22nd 2004
"Charge transport and mobility mapping in CdTe"
PDF file (2926 kB)
9th International Conference on Nuclear Microprobe Technology and Applications - Dubrovnik September 13-17th 2004
"Mobility and lifetime mapping in wide bandgap semiconductors using digital IBIC"
PDF file (2360 kB)
IEEE NSS / RTSD - Portland October 20-24th 2003
"The role of defects on CdTe detector performance"
PDF file (2071 kB)
"Digital capture-gated neutron detection and pulse shape discrimination in liquid scintillators"
PDF file (740 kB)
Research Collaborations
A member of the Basic Technology HEXITEC CdZnTe detector research collaboration (www.hexitec.co.uk).
Further details can be found on my personal web page.
Publications
Highlights
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(2011) 'Radiation induced control of electric field in Au/CdTe/In structures'. AMER INST PHYSICS APPL PHYS LETT, 98 (23) Article number 232115 doi: 10.1063/1.3598414Full text is available at: http://epubs.surrey.ac.uk/130029/
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(2010) 'Achieving a Stable Time Response in Polymeric Radiation Sensors under Charge Injection by X-rays'. AMER CHEMICAL SOC ACS APPL MATER INTER, 2 (6), pp. 1692-1699.doi: 10.1021/am100220yFull text is available at: http://epubs.surrey.ac.uk/2962/
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(2010) 'Electric field distributions in CdZnTe due to reduced temperature and x-ray irradiation'. AMER INST PHYSICS APPL PHYS LETT, 96 (13) Article number 133509 doi: 10.1063/1.3373526Full text is available at: http://epubs.surrey.ac.uk/5161/
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(2009) 'Characterization of thick film poly(triarylamine) semiconductor diodes for direct x-ray detection'. AMER INST PHYSICS J APPL PHYS, 106 (6) Article number 064513 doi: 10.1063/1.3225909Full text is available at: http://epubs.surrey.ac.uk/2471/
Journal articles
- . (2012) 'Growth by the Multi-tube Physical Vapour Transport method and characterisation of bulk (Cd,Zn)Te'. Journal of Crystal Growth,
- . (2012) 'Investigation of Te inclusion induced glides and the corresponding dislocations in CdZnTe crystal'. CrystEngComm, 14 (2), pp. 417-420.
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(2011) 'High charge-carrier mobilities in blends of poly(triarylamine) and TIPS-pentacene leading to better performing X-ray sensors'. Elsevier Organic Electronics, 12 (11), pp. 1903-1908.Full text is available at: http://epubs.surrey.ac.uk/7284/
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(2011) 'Radiation induced control of electric field in Au/CdTe/In structures'. AMER INST PHYSICS APPL PHYS LETT, 98 (23) Article number 232115 doi: 10.1063/1.3598414Full text is available at: http://epubs.surrey.ac.uk/130029/
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(2011) 'Locking carbon nanotubes in confined lattice geometries--a route to low percolation in conducting composites.'. J Phys Chem B, United States: 115 (20), pp. 6395-6400.doi: 10.1021/jp111998p
- . (2011) 'Morphology evolution of micron-scale secondary phases in CdZnTe crystals grown by vertical Bridgman method'. Elsevier Journal of Alloys and Compounds, 509 (5), pp. 2338-2342.
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(2011) 'A study of timing properties of Silicon Photomultipliers'. Elsevier Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment,
[ Status: Accepted ] - . (2011) 'Pixellated Cd(Zn)Te high-energy X-ray instrument'. Journal of Instrumentation, 6 (12)
- . (2011) 'An ASIC for the Study of Charge Sharing Effects in Small Pixel CdZnTe X-Ray Detectors'. IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC IEEE T NUCL SCI, 58 (5), pp. 2357-2362.
- . (2011) 'GaN detector development for particle and X-ray detection'. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment,
- . (2011) 'The effect of annealing on the X-ray induced photocurrent characteristics of CVD diamond radiation detectors with different electrical contacts'. PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 208, pp. 2079-2086.
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(2010) 'The effect of fast neutron irradiation on the performance of synthetic single crystal diamond particle detectors'. ELSEVIER SCIENCE SA DIAMOND AND RELATED MATERIALS, Athens, GREECE: 19 (7-9), pp. 841-845.Full text is available at: http://epubs.surrey.ac.uk/7672/
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(2010) 'Achieving a Stable Time Response in Polymeric Radiation Sensors under Charge Injection by X-rays'. AMER CHEMICAL SOC ACS APPL MATER INTER, 2 (6), pp. 1692-1699.doi: 10.1021/am100220yFull text is available at: http://epubs.surrey.ac.uk/2962/
- .
(2010) 'Electric field distributions in CdZnTe due to reduced temperature and x-ray irradiation'. AMER INST PHYSICS APPL PHYS LETT, 96 (13) Article number 133509 doi: 10.1063/1.3373526Full text is available at: http://epubs.surrey.ac.uk/5161/
- . (2010) 'Investigation of the internal electric field distribution under in situ x-ray irradiation and under low temperature conditions by the means of the Pockels effect'. IOP PUBLISHING LTD J PHYS D APPL PHYS, 43 (8) Article number 085102
- . (2010) 'X-ray photoelectron study of high-energy He+ implanted a-SiC:H thin films'. Journal of Physics: Conference Series, 253 (1)
- . (2010) 'Epitaxial Growth of High-Resistivity CdTe Thick Films Grown Using a Modified Close Space Sublimation Method'. JAPAN SOC APPLIED PHYSICS JPN J APPL PHYS, 49 (2)
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(2010) 'Chemical etching and surface oxidation studies of cadmium zinc telluride radiation detectors'. WILEY-BLACKWELL SURFACE AND INTERFACE ANALYSIS, Antalya, TURKEY: 42 (6-7), pp. 795-798.doi: 10.1002/sia.3146
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(2010) 'Time walk correction of CdTe detectors using depth sensing technique'. ELSEVIER SCIENCE BV NUCL INSTRUM METH A, 621 (1-3), pp. 506-512.Full text is available at: http://epubs.surrey.ac.uk/7514/
- . (2010) 'Influence of Contacts on Electric Field in an Au/(CdZn)Te/Au Detector: A Simulation'. IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC IEEE T NUCL SCI, 57 (4), pp. 2349-2358.
- . (2009) 'Low temperature time of flight mobility measurements on synthetic single crystal diamond'. ELSEVIER SCIENCE SA DIAM RELAT MATER, 18 (11), pp. 1338-1342.
- . (2009) 'Characterization of CdZnTe Crystals Grown Using a Seeded Modified Vertical Bridgman Method'. IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC IEEE T NUCL SCI, 56 (5), pp. 2808-2813.
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(2009) 'Characterization of thick film poly(triarylamine) semiconductor diodes for direct x-ray detection'. AMER INST PHYSICS J APPL PHYS, 106 (6) Article number 064513 doi: 10.1063/1.3225909Full text is available at: http://epubs.surrey.ac.uk/2471/
- . (2009) 'Conference Comments by the Editors'. IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC IEEE T NUCL SCI, 56 (3), pp. 724-724.
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(2009) 'Comparison of the x-ray spectroscopy response and charge transport properties of semi-insulating In/Al doped CdZnTe crystals'. AMER INST PHYSICS J APPL PHYS, 105 (8) Article number 083101 doi: 10.1063/1.3097301Full text is available at: http://epubs.surrey.ac.uk/102451/
- . (2009) 'Study on temperature dependent resistivity of indium-doped cadmium zinc telluride'. IOP PUBLISHING LTD J PHYS D APPL PHYS, 42 (3) Article number 035105
- . (2009) 'Charge transport performance of high resistivity CdZnTe crystals doped with In/Al'. Journal of Semiconductors, 30 (8) Article number 082002
- . (2009) 'Improvement of Electron Field Emission in Patterned Carbon Nanotubes by High Temperature Hydrogen Plasma Treatment'. CURRENT NANOSCIENCE, 5 (1), pp. 54-57.
- . (2009) 'A study on the low energy X/γ-ray spectral response of CdZnTe planar detectors'. Guangxue Xuebao/Acta Optica Sinica, 29 (11), pp. 3072-3077.
- . (2009) 'Carbon Nanotube Based DNA Biosensor for Rapid Detection of Anti-Cancer Drug of Cyclophosphamide'. CURRENT NANOSCIENCE, 5 (3), pp. 312-317.
- . (2009) 'Editorial conference comments by the editors'. IEEE IEEE Transactions on Nuclear Science, 56 (3), pp. 1034-1034.
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(2008) 'Ion Beam Induced Charge Studies of CdZnTe Grown by Modified Vertical Bridgman Method'. IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC IEEE T NUCL SCI, 55 (6), pp. 3741-3745.Full text is available at: http://epubs.surrey.ac.uk/369/
- . (2008) 'Ion beam induced charge (IBIC) irradiation damage study in synthetic single crystal diamond using 2.6 MeV protons'. WILEY-V C H VERLAG GMBH PHYS STATUS SOLIDI A, 205 (9), pp. 2211-2215.
- . (2007) 'A review of ion beam induced charge microscopy'. ELSEVIER SCIENCE BV NUCL INSTRUM METH B, 264 (2), pp. 345-360.
- . (2007) 'Modification induced by proton irradiation in Makrofol-DE polycarbonate'. PERGAMON-ELSEVIER SCIENCE LTD RADIAT MEAS, 42 (10), pp. 1655-1660.
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(2007) 'Direct x-ray detection with conjugated polymer devices'. AMER INST PHYSICS APPL PHYS LETT, 91 (3) Article number 033509 doi: 10.1063/1.2748337Full text is available at: http://epubs.surrey.ac.uk/297/
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(2007) 'Mapping of polarization and detrapping effects in synthetic single crystal chemical vapor deposited diamond by ion beam induced charge imaging'. AMER INST PHYSICS J APPL PHYS, 101 (6) Article number 063711 doi: 10.1063/1.2653669Full text is available at: http://epubs.surrey.ac.uk/266/
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(2007) 'Effect of dislocations on charge carrier mobility-lifetime product in synthetic single crystal diamond'. AMER INST PHYSICS APPL PHYS LETT, 90 (10) Article number 102111 doi: 10.1063/1.2711754Full text is available at: http://epubs.surrey.ac.uk/318/
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(2006) 'New materials for radiation hard semiconductor dectectors'. ELSEVIER SCIENCE BV NUCL INSTRUM METH A, 557 (2), pp. 479-489.Full text is available at: http://epubs.surrey.ac.uk/7375/
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(2006) 'Temperature-dependent hole detrapping for unprimed polycrystalline chemical vapor deposited diamond'. AMER INST PHYSICS APPL PHYS LETT, 88 (2) Article number 023501 doi: 10.1063/1.2162673Full text is available at: http://epubs.surrey.ac.uk/244/
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(2005) 'Drift mobility and mobility-lifetime products in CdTe : Cl grown by the travelling heater method'. IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC IEEE T NUCL SCI, 52 (6), pp. 3074-3078.Full text is available at: http://epubs.surrey.ac.uk/177/
Conference papers
- . (2011) 'Optical Pattern Fabrication in Amorphous Silicon Carbide with High-Energy Focused Ion Beams'. POLISH ACAD SCIENCES INST PHYSICS ACTA PHYSICA POLONICA A, Maria Curie-Sklodowska Univ, Kazimierz Dolny, POLAND: 8th International Conference on Ion Implantation and Other Applications of Ions and Electrons - ION 2010 120 (1), pp. 56-59.
- . (2010) 'Investigating the small pixel effect in CdZnTe Hard X-ray detectors the PIXIE ASIC'. IEEE Nuclear Science Symposium Conference Record (NSS/MIC), Knoxville, USA: Nuclear Science Symposium, pp. 3789-3792.
- . (2010) 'Comparison of the X-ray performance of small pixel CdTe and CZT detectors'. IEEE Nuclear Science Symposium Conference Record, Knoxville, USA: Nuclear Science Symposium, pp. 3942-3946.
- . (2009) 'High-resolution alpha spectrometry with a thin-window silicon carbide semiconductor detector'. IEEE IEEE Nuclear Science Symposium Conference Record (NSS/MIC), Orlando, USA: Nuclear Science Symposium, pp. 2201-2206.
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(2009) 'Flexible radiation dosimeters incorporating semiconducting polymer thick films'. Proceedings of SPIE - The International Society for Optical Engineering, San Diego, USA: Hard X-ray, gamma-ray, and neutron detector physics XI 7449doi: 10.1117/12.829619Full text is available at: http://epubs.surrey.ac.uk/2486/
- . (2009) 'Growth of Thick Epitaxial CdTe Films by Close Space Sublimation'. SPRINGER JOURNAL OF ELECTRONIC MATERIALS, Las Vegas, NV: 27th US Workshop on the Physics and Chemistry of II-VI Materials 38 (8), pp. 1548-1553.
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(2009) 'Non-destructive characterization and selection of X/γ-ray detector-grade CdZnTe crystals'. SPIE Proceedings of SPIE - The International Society for Optical Engineering, Beijing, China: International Symposium on Photoelectronic Detection and Imaging 2009: Terahertz and High Energy Radiation Detection Technologies and Applications 7385doi: 10.1117/12.834947
- . (2009) 'Optical contrast formation in amorphous silicon carbide with high-energy focused ion beams'. ELSEVIER SCIENCE BV NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, Dresden, GERMANY: 16th International Conference on Ion Beam Modification of Materials 267 (8-9), pp. 1583-1587.
- . (2009) 'Real-time imaging of the electric field distribution in CdZnTe at low temperature'. Materials Research Society Symposium Proceedings, San Francisco, USA: MRS 2009 Spring Meeting Symposium L: Nuclear Radiation and Detection of Materials 1164, pp. 15-24.
- . (2008) 'Ion beam induced charge imaging of charge transport in CdTe and CdZnTe'. ELSEVIER SCIENCE BV NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, Univ Hyderabad, Sch Phys, Hyderabad, INDIA: 18th International Conference on Ion Beam Analysis 266 (8), pp. 1300-1306.
- . (2007) 'High gain observed in X-ray induced currents in synthetic single crystal diamonds'. WILEY-V C H VERLAG GMBH PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, Hasselt Univ, Diepenbeek-Hasselt, BELGIUM: 12th Hasselt Diamond Workshop 2007 (SBDD XII) 204 (9), pp. 3011-3016.
- . (2007) 'Charge transport in polycrystalline and single crystal synthetic diamond using ion beam induced charge imaging'. ELSEVIER SCIENCE BV NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, Singapore, SINGAPORE: 10th International Conference on Nuclear Microprobe Technology and Applications held in Conjunction with the 2nd International Workshop on Proton Beam Writing 260 (1), pp. 293-298.
- . (2007) 'EBIC and IBIC imaging on polyerystalline CdTe'. ELSEVIER SCIENCE BV NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, Pisa, ITALY: 8th International Workshop on Radiation Imaging Detectors 576 (1), pp. 5-9.
- . (2007) 'X-ray spectroscopy and charge transport properties of CdZnTe grown by the vertical Bridgman method'. ELSEVIER SCIENCE BV NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, Pisa, ITALY: 8th International Workshop on Radiation Imaging Detectors 576 (1), pp. 90-94.
- . (2007) 'alpha Particle response of undoped CdMnTe'. ELSEVIER SCIENCE BV NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, Univ Liverpool, Liverpool, ENGLAND: 7th International Conference on Position-Senstive Detectors 573 (1-2), pp. 220-223.
- . (2007) 'IBIC characterization of charge transport in CdTe : Cl'. MAIK NAUKA/INTERPERIODICA/SPRINGER SEMICONDUCTORS, St Petersburg, RUSSIA: 8th International Workshop on Beam Injection Assessment of Microstructures in Semiconductors 41 (4), pp. 395-401.
- . (2007) 'High-energy He+ ion beam induced modification in a-SiC : H'. NATL INST OPTOELECTRONICS JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, Varna, BULGARIA: 14th International School on Condensed Matter Physics 9 (2), pp. 375-378.
- . (2006) 'Thick film compound semiconductors for X-ray imaging applications'. ELSEVIER SCIENCE BV NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, Grenoble, FRANCE: 7th International Workshop on Radiation Imaging Detectors 563 (1), pp. 1-8.
Teaching
- MSc lecture courses: "Detector Instrumentation"
- MSc laboratory classes
- Level 2 lecture courses: "Exploring the Solar System"
Departmental Duties

