Annika Lohstroh

Dr Annika Lohstroh


Senior Lecturer
Dipl. phys., PhD, PGCAP
+44 (0)1483 689419
17 BB 03

Academic and research departments

Department of Physics.

Biography

Areas of specialism

Radiation Physics; Material Analysis; Radiation Detection Instrumentation; Optical and Electrical Characterisation of Materials

University roles and responsibilities

  • MSc Physics Programme Lead
  • Radiation and Medical Physics (RAM) Group Lead
  • Member of the Faculty Equality & Diversity Committee
  • Module Lead PHYM041 - Experimental Group Project
  • Module Lead PHY1036 - Oscillations and Waves

Previous roles

Dec 2017 - Mar 2018
Consultant at the International Atomic Energy Agency
IAEA
2012 - 2015
Chair of the Departmental Equality & Diversity Committee
2010 - 2013
Chair of the South East Physics Network (SEPnet) Radiation Detection Instrumentation (RDI) Theme
2010 - 2017
Programme Director MSc Physics and MSc Medical Physics (Euromasters)

Research

Research interests

Supervision

Postgraduate research supervision

Postgraduate research supervision

My publications

Publications

(). Abubakar, Y.M., et al., Characterisation of an isotopic neutron source: A comparison of conventional neutron detectors and micro-silica glass bead thermoluminescent detectors. Radiation Physics and Chemistry, 2017. 140: p. 497-501.

Alamoudi, D., A. Lohstroh, and H. Albarakaty, The effect of dose enhancement near metal interfaces on synthetic diamond based X-ray dosimeters. Radiation Physics and Chemistry, 2017. 140: p. 25-33.

Hodgson, M., et al., Characterization of silicon carbide and diamond detectors for neutron applications. Measurement Science and Technology, 2017. 28(10).

Hodgson, M., A. Lohstroh, and P. Sellin, Alpha radiation induced space charge stability effects in semi-insulating silicon carbide semiconductors compared to diamond. Diamond and Related Materials, 2017. 78: p. 49-57.

Hodgson, M., et al., Neutron detection performance of silicon carbide and diamond detectors with incomplete charge collection properties. Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 2017. 847: p. 1-9.

Richards, S., et al., Femtosecond laser ablation of cadmium tungstate for scintillator arrays. Optics and Lasers in Engineering, 2016. 83: p. 116-125.

Astromskas, V., et al., Evaluation of Polarization Effects of e(-) Collection Schottky CdTe Medipix3RX Hybrid Pixel Detector. Ieee Transactions on Nuclear Science, 2016. 63(1): p. 252-258.

Boothman, V., et al., Charge transport optimization in CZT ring-drift detectors. Journal of Physics D-Applied Physics, 2015. 48(48).

Abubakar, Y.M., A. Lohstroh, and P.J. Sellin, Stability of Silicon Carbide Particle Detector Performance at Elevated Temperatures. Ieee Transactions on Nuclear Science, 2015. 62(5): p. 2360-2366.

Abilama, M., M. Bates, and A. Lohstroh, Investigating the lifetime of bromine-quenched GM Counters with temperature. Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 2015. 795: p. 12-18.

Alruhaili, A., et al., Development of a CZT drift ring detector for X and gamma ray spectroscopy. Journal of Instrumentation, 2015. 10.

Lohstroh, A., et al., Cadmium zinc telluride based infrared interferometry for X-ray detection. Applied Physics Letters, 2015. 106(6).

Leming, E., et al., A GEANT4 Monte Carlo simulation to describe the time response of a coupled SiPM and LYSO detection system. Journal of Instrumentation, 2014. 9.

Alruhaili, A., et al., Performance characteristics of CdTe drift ring detector. Journal of Instrumentation, 2014. 9.

Buis, C., et al., Effects of dislocation walls on charge carrier transport properties in CdTe single crystal. Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 2014. 735: p. 188-192.

Abubakar, Y.M., A. Lohstroh, and P. Sellin, Semiconductor Neutron Detector for Harsh Radiation Applications. 2014 Ieee Nuclear Science Symposium and Medical Imaging Conference (Nss/Mic), 2014.

Schirru, F., et al., X-ray induced photocurrent characteristics of CVD diamond detectors with different carbon electrodes. Journal of Instrumentation, 2013. 8.

Bryant, P.A., A. Lohstroh, and P.J. Sellin, Electrical Characteristics and Fast Neutron Response of Semi-Insulating Bulk Silicon Carbide. Ieee Transactions on Nuclear Science, 2013. 60(2): p. 1432-1435.

Avella, P., et al., A study of timing properties of Silicon Photomultipliers. Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 2012. 695: p. 257-260.

Schirru, F., et al., Development of large area polycrystalline diamond detectors for fast timing application of high-energy heavy-ion beams. Journal of Instrumentation, 2012. 7.

Chaudhuri, S.K., et al., Digital pulse height correction in HgI2 gamma-ray detectors. Journal of Instrumentation, 2012. 7.

Abdel-Rahman, M.A.E., et al., The X-ray detection performance of polycrystalline CVD diamond with pulsed laser deposited carbon electrodes. Diamond and Related Materials, 2012. 22: p. 70-76.

Blackie, D., et al., Exploration of the Pockels Effect for Radiation Detection Applications. 2012 Ieee Nuclear Science Symposium and Medical Imaging Conference Record (Nss/Mic), 2012: p. 402-404.

Abdel-Rahman, M.A.E., A. Lohstroh, and P.J. Sellin, 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, 2011. 208(9): p. 2079-2086.

Jeynes, C., R.P. Webb, and A. Lohstroh, Ion Beam Analysis: A Century of Exploiting the Electronic and Nuclear Structure of the Atom for Materials Characterisation. Reviews of Accelerator Science and Technology, Vol 4: Accelerator Applications in Industry and the Environment, 2011. 4: p. 41-82.

Lohstroh, A., et al., The effect of fast neutron irradiation on the performance of synthetic single crystal diamond particle detectors. Diamond and Related Materials, 2010. 19(7-9): p. 841-845.

Ozsan, M.E., et al., Chemical etching and surface oxidation studies of cadmium zinc telluride radiation detectors. Surface and Interface Analysis, 2010. 42(6-7): p. 795-798.

Prekas, G., et al., 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. Journal of Physics D-Applied Physics, 2010. 43(8).

Sellin, P.J., et al., Real time Imaging of the Electric field Distribution in CdZnTe at low temperature. Nuclear Radiation Detection Materials-2009, 2010. 1164: p. 15-+.

Gkoumas, S., A. Lohstroh, and P.J. Sellin, Low temperature time of flight mobility measurements on synthetic single crystal diamond. Diamond and Related Materials, 2009. 18(11): p. 1338-1342.

Xu, Y., et al., Comparison of the x-ray spectroscopy response and charge transport properties of semi-insulating In/Al doped CdZnTe crystals. Journal of Applied Physics, 2009. 105(8).

Veale, M.C., et al., Ion Beam Induced Charge Studies of CdZnTe Grown by Modified Vertical Bridgman Method. Ieee Transactions on Nuclear Science, 2008. 55(6): p. 3741-3745.

Lohstroh, A., et al., Ion beam induced charge (IBIC) irradiation damage study in synthetic single crystal diamond using 2.6 MeV protons. Physica Status Solidi a-Applications and Materials Science, 2008. 205(9): p. 2211-2215.

Sellin, P.J., et al., Ion beam induced charge imaging of charge transport in CdTe and CdZnTe. Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 2008. 266(8): p. 1300-1306.

Lohstroh, A., et al., High gain observed in X-ray induced currents in synthetic single crystal diamonds. Physica Status Solidi a-Applications and Materials Science, 2007. 204(9): p. 3011-3016.

Sellin, P.J., et al., Charge transport in polycrystalline and single crystal synthetic diamond using ion beam induced charge imaging. Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 2007. 260(1): p. 293-298.

Veale, M.C., et al., X-ray spectroscopy and charge transport properties of CdZnTe grown by the vertical Bridgman method. Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 2007. 576(1): p. 90-94.

Baier, N., et al., EBIC and IBIC imaging on polyerystalline CdTe. Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 2007. 576(1): p. 5-9.

Sellin, P.J., et al., IBIC characterization of charge transport in CdTe : Cl. Semiconductors, 2007. 41(4): p. 395-401.

Parkin, J., et al., alpha Particle response of undoped CdMnTe. Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 2007. 573(1-2): p. 220-223.

Lohstroh, A., et al., Mapping of polarization and detrapping effects in synthetic single crystal chemical vapor deposited diamond by ion beam induced charge imaging. Journal of Applied Physics, 2007. 101(6).

Lohstroh, A., et al., Effect of dislocations on charge carrier mobility-lifetime product in synthetic single crystal diamond. Applied Physics Letters, 2007. 90(10).

Wang, S.G., P. Sellin, and A. Lohstroh, Temperature-dependent hole detrapping for unprimed polycrystalline chemical vapor deposited diamond. Applied Physics Letters, 2006. 88(2).

Sellin, P.J., et al., Drift mobility and mobility-lifetime products in CdTe : Cl grown by the travelling heater method. Ieee Transactions on Nuclear Science, 2005. 52(6): p. 3074-3078.

Wang, S., P. Sellin, and A. Lohstroh, Alpha particle transient response of a polycrystalline diamond detector. Carbon, 2005. 43(15): p. 3167-3171.

Davies, A.W., et al., Spatial uniformity of electron charge transport in high resistivity CdTe. Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 2005. 546(1-2): p. 192-199.

Wang, S.G., et al., The effects of plasma post-treatment on the photoresponsivity of CVD diamond UV photodetectors. Diamond and Related Materials, 2005. 14(3-7): p. 541-545.

Wang, S.G., et al., Performance improvement of polycrystalline diamond ultraviolet photodetectors by room-temperature plasma treatment. Applied Physics Letters, 2005. 86(9).

Wang, S.G., et al., The fabrication and performance of CVD diamond-based X-ray detectors. Pricm 5: The Fifth Pacific Rim International Conference on Advanced Materials and Processing, Pts 1-5, 2005. 475-479: p. 3605-3609.

Sellin, P.J., et al., Ion beam induced charge imaging of epitaxial GaN detectors. Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 2004. 531(1-2): p. 82-86.

Simon, A., P.J. Sellin, and A. Lohstroh, IBIC imaging of intra-crystallite charge transport in CVD diamond at reduced temperature. Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 2004. 219: p. 1022-1026.

Sellin, P.J., et al., Digital IBIC-new spectroscopic modalities for ion-beam-induced charge imaging. Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 2004. 521(2-3): p. 600-607.

Lohstroh, A., P.J. Sellin, and A. Simon, High-resolution mapping of the mobility-lifetime product in CdZnTe using a nuclear microprobe.
Journal of Physics-Condensed Matter, 2004. 16(2): p. S67-S73.

Lohstroh, A., et al., Electronic relaxation in indium oxide films studied with perturbed angular correlations. Hyperfine Interactions, 2004. 159(1-4): p. 35-42.

Sellin, P., et al., The role of defects on CdTe detector performance. 2003 Ieee Nuclear Science Symposium, Conference Record, Vols 1-5, 2004: p. 3306-3310.

Kulinska, A., et al., Lithium insertion into In2S3 studied by perturbed gamma-gamma angular correlation. Journal of Solid State Chemistry, 2004. 177(1): p. 109-118.

Simon, A., et al., Ion beam indneed charge microscopy imaging of CVD diamond. Microscopy of Semiconducting Materials 2003, 2003(180): p. 449-452.

Vetter, U., et al., Lattice location studies of indium in Cr2O3. Hyperfine Interactions, 2001. 136: p. 607-612.

Dedryvere, R., et al., Lithium in In2S3. Hyperfine Interactions, 2001. 136: p. 479-484.