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; Equality & Diversity

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

My teaching

Courses I teach on

Undergraduate

Postgraduate taught

Supervision

Postgraduate research supervision

Postgraduate research supervision

My publications

Publications

(). 2019
• Vittone, E., Garcia Lopez, J., Jaksic, M., Jimenez Ramos, M.C., Lohstroh, A., Pastuovic, Z., Rath S., Siegele, R., Skukan, N., Vizkelethy, G., Simon, A. (2019) Determination of radiation hardness of silicon diodes, Nuclear Instruments and Methods in Physics Section B – Beam interactions with Materials and Atoms, accepted.
• Alyahyawi, A., Dimitriadis, A., Jafari, S.M., Lohstroh, A., Alanazi, A., Alsubaie, A., Clark, C.H., Nisbet, A. and Bradley, D.A. (2019) Thermoluminescence measurements of eye-lens dose in a multi-centre stereotactic radiosurgery audit Radiation Physics and Chemistry, 155. pp. 75-81.
• Ley, K., Jafari, S.M., Lohstroh, A. and Bradley, D.A. (2019) Investigations of thermoluminescent silica beads of different manufacturers and colours Radiation Physics and Chemistry, 155. pp. 178-183.
• Taggart, M.P., Charoupa, A., Hubbard, M.W.J., Jafari, S.M., Lohstroh, A. and Stroud, M. (2019) Suitability of a SiPM Photodetector for Implementation in an Automated Thermoluminescent Dosimeter Reader Radiation Physics and Chemistry, to be published:
• Ley, Katie, Jafari, S.M., Lohstroh, Annika, Shenton-Taylor, Caroline and Bradley, David (2019) Thermoluminescent Response of Beta-irradiated Silica Beads Radiation Physics and Chemistry, 154. pp. 32-37.
(). 2018
• Parsons, S., Langley, A., Shenton-Taylor, C. and Lohstroh, A, (2018) Investigating the components of signals produced by the Pockels CCD imaging technique in CdZnTe IEEE Transactions on Nuclear Science, 65 (9). pp. 2633-2639.
• Kazemi, S., Diaz, O., Elangovan, P., Wells, K, Lohstroh, A.,(2018) Comparison of three breast imaging techniques using 4-AFC human observation study SPIE Conference Proceedings on Medical Imaging – Physics of Medical Imaging 10573, UNSP 105735I
• Kazemi, S., Diaz, O., Elangovan, P., Wells, K, Lohstroh, A.,(2018) Validation and Application of a New Image Reconstruction Software toobox (TIGRE) for Breast Cone-beam Computed Tomography. SPIE Conference Proceedings on Medical Imaging – Physics of Medical Imaging 10573, UNSP 105735E
(). 2017
• Hodgson, M., Lohstroh, A., Sellin, P., and Thomas, D. (2017) Characterisation of Silicon Carbide and Diamond Detectors for Neutron Applications Measurement Science and Technology, 28 (10), 105501.
• Hodgson, M, Lohstroh, A.,and Sellin, P. (2017) Alpha radiation induced space charge stability effects in semi-insulating silicon carbide semiconductors compared to diamond. Diamond and Related Materials, 78. pp. 49-57.
• Alamoudi, D, Lohstroh, A.,and Albarakaty, H., (2017) The effect of dose enhancement near metal interfaces on synthetic diamond based X-ray dosimeters Radiation Physics and Chemistry 140. pp. 25-33
• Abubakar, Y.M., Taggart, M., Alsubaie, A., Alanazi, A., Alyahyawi, A., Lohstroh, A., Shutt, A, Jafari, S. and Bradley,D.A. (2017) Characterisation of an isotropic neutron source: a comparison of conventional neutron detectors and micro-silica glass bead thermoluminescent detectors Radiation Physics and Chemistry.140, pp. 497-501.
• Hodgson, M., Lohstroh, A., Sellin, P. and Thomas, D. (2017) Neutron Detection Performance of Silicon Carbide and Diamond Detectors with Incomplete Charge Collection Properties Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 847, pp. 1–9.
(). 2016
• Richards, S, Baker, MA, Wilson, MD, Lohstroh, A and Seller, P (2016) "Femtosecond laser ablation of cadmium tungstate for scintillator arrays " Optics and Lasers in Engineering, 83. pp. 116-125.
• Astromskas, V., Gimenez, E.N., Lohstroh, A., and Tartoni, N. (2016) Evaluation of Polarization Effects of e(-) Collection Schottky CdTe Medipix3RX Hybrid Pixel Detector IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 63 (1). pp. 252-258.

(). 2015
• Boothman, V., Alruhaili, A., Perumal, V., Sellin, P., Lohstroh, A., Sawhney, K., and Kachanov, S. (2015) Charge transport optimization in CZT ring-drift detectors JOURNAL OF PHYSICS D-APPLIED PHYSICS, 48 (48), ARTN 48510.
• Abilama, M., Bates, M. and Lohstroh, A., (2015) Investigating the lifetime of bromine-quenched GM Counters with temperature, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment., 795. pp. 12-18.
• Abubakar, Y.M., Lohstroh, A., and Sellin, P.J., (2015) Stability of Silicon carbide particle detector performance at elevated temperatures IEEE Transactions on Nuclear Science, 62 (5). pp. 2360-2366.
• Alruhaili, A., Sellin, P.J., Lohstroh, A., Boothman, V., Veeramani, P., Veale, M.C., Sawhney, K.J.S., and Kachkanov, V. (2015)Development of a CZT drift ring detector for X and gamma ray spectroscopy Journal of Instrumentation, 10, ARTN P.
• Lohstroh, A., Della Rocca, I., Parsons, S., Langley, A., Shenton-Taylor, C and Blackie, D. (2015) Cadmium zinc telluride based infrared interferometry for X-ray detection Appl. Phys. Lett., 106 (6), ARTN 0.
(). 2014
• Leming, E., De Santo, A., Salvatore, F., Camanzi, B. and Lohstroh, A. (2014) A GEANT4 Monte Carlo simulation to describe the time response of a coupled SiPM and LYSO detection system, Journal of Instrumentation, 9, ARTN C0600.
• Alruhaili, A., Sellin, P.J., Lohstroh, A., Veeramani, P., Kazemi, S., Veale, M.C., Sawhney, K.J.S., and Kachkanov, V. (2014) Performance characteristics of CdTe drift ring detector, Journal of Instrumentation , 9, ARTN C.
• Buis, C., Gros D'Aillon, E., Verger, L., Lohstroh, A., Marrakchi, G., and Jeynes, C. (2014) Effects of dislocation walls on charge carrier transport properties in CdTe single crystal Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 735. pp. 188-192.
(). 2013
• Bryant, PA, Lohstroh, A and Sellin, PJ (2013) Electrical characteristics and fast neutron response of semi-insulating bulk silicon carbide IEEE Transactions on Nuclear Science, 60 (2). pp. 1432-1435.
(). 2012
• Schirru, F., Lohstroh, A., Sellin, J., Nara Singh, S., Scruton, L., Bentley, A., Fox, P., Banu, A., McCleskey, M., Roeder, T., Simmons, E., Alharbi, A., Trache, L., Freer, M., Parker, D., and Banu, A. (2012) Development of large area polycrystalline diamond detectors for fast timing application of high-energy heavy-ion beams Journal of Instrumentation, 7 (5), P05005.
• Chaudhuri, S.K., Lohstroh, A., Nakhostin, M., and Sellin., P.J., (2012) Digital pulse height correction in HgI 2 γ-ray detectors Journal of Instrumentation, 7 (4), T04002.
• Blackie, D., Langley, A., Shenton-Taylor, C., Perumal, V., and Lohstroh, A., (2012) Exploration of the Pockels effect for radiation detection applications IEEE Nuclear Science Symposium Conference Record. pp. 402-404.
• Abdel-Rahman, M.A.E., Lohstroh, A., Jayawardena, I., and Henley, S.J., (2012) The X-ray detection performance of polycrystalline CVD diamond with pulsed laser deposited carbon electrodes Diamond and Related Materials, 22. pp. 70-76.
• Avella, P., De Santo, A., Lohstroh, A., Sajjad, M.T., and Sellin, P.J.,(2012) A study of timing properties of Silicon Photomultipliers Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 695, pp. 257-260.
(). 2011
• Jeynes, C., Webb, R.P., and Lohstroh, A.(2011) Ion Beam Analysis: A Century of Exploiting the Electronic and Nuclear Structure of the Atom for Materials Characterisation Reviews of Accelerator Science and Technology, 4. pp. 41-82.
• Abdel-Rahman, M.A.E., Lohstroh, A. and Sellin, P.J., (2011) The effect of annealing on the X-ray induced photocurrent characteristics of CVD diamond radiation detectors with different electrical contacts, phys. stat. sol. (a) 208 (9). pp. 2079-2086.
(). 2010
• Lohstroh, A., Sellin, P.J., Gkoumas, S., Al-Barakaty, H., Veeramani, P., Ozsan, M.E., Prekas, G., Veale, M.C., Parkin, J.M. and Davies, A.W. ,(2010) The effect of fast neutron irradiation on the performance of synthetic single crystal diamond particle detectors, Diamond and Related Materials 19 (7-9). pp. 841-845.
• Prekas, G., Sellin, P.J., Veeramani, P., Davies, A.W., Lohstroh, A., Ozsan, M.E. and Veale, M.C., (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, Journal of Applied Physics, 43 (8), ARTN 0.
• Özsan, M.E., Sellin, P.J., Veeramani, P., Hinder, S.J., Monnier, M.L.T., Prekas, G., Lohstroh, A., and Baker, M.A. (2010) Chemical etching and surface oxidation studies of cadmium zinc telluride radiation detectors Surface and Interface Analysis, 42 (6-7). pp. 795-798.

(). 2009
• Gkoumas, S., Lohstroh, A., and Sellin, P.J. (2009) Low temperature time of flight mobility measurements on synthetic single crystal diamond , Diamond and Related Materials 18 (11). pp. 1338-1342.
• Xu, Y., Sellin, P.J., Lohstroh, A., Jie, W., Wang, T., Mills, C., Veeramani, P., and Veale,
M. (2009) Comparison of the x-ray spectroscopy response and charge transport properties of semi-insulating In/Al doped CdZnTe crystals, Journal of Applied Physics 105 (8), ARTN 0.
• Sellin, P.J., Prekas, G., Lohstroh, A., Özsan, M., Perumal, V., Veale, M., and Seller, P. (2009) Real-time imaging of the electric field distribution in CdZnTe at low temperature In: MRS 2009 Spring Meeting Symposium L: Nuclear Radiation and Detection of Materials, 2009-04-13 - 2009-04-17, San Francisco, USA.
(). 2008
• Veale, M.C., Sellin, P.J., Parkin, J., Lohstroh, A., Davies., A.W. and Seller, P., (2008) Ion Beam Induced Charge Studies of CdZnTe Grown by Modified Vertical Bridgman Method IEEE Transactions on Nuclear Science, 55 (6). pp. 3741-3745.
• Lohstroh, A., Sellin, P.J., Gkoumas, S., Parkin, J., Veeramani, P., Prekas, G., Veale, M.C., and Morse, J. (2008) Ion beam induced charge (IBIC) irradiation damage study in synthetic single crystal diamond using 2.6 MeV protons, phys. stat. sol. (a) 205 (9). pp. 2211-2215.
• Sellin, P.J., Davies, A.W., Gkoumas, S., Lohstroh, A., Özsan, M.E., Parkin, J, Perumal, V, Prekas, G., and Veale, M., (2008) Ion beam induced charge imaging of charge transport in CdTe and CdZnTe, Nuclear Instruments and Methods in Physics Section B – Beam interactions with Materials and Atoms 266 (8), pp. 1300-1306.

(). 2007
• Lohstroh, A., Sellin, P.J., Boroumand, F., and Morse, J. (2007) High gain observed in X-ray induced currents in synthetic single crystal diamonds, phys. Stat. sol. (a) 204 (9), pp. 3011-3016.
• Sellin, P.J., Lohstroh, A., Davies, A.W., Galbiati, A., Parkin, J., Wang, S.G., and Simon, A. (2007) Charge transport in polycrystalline and single crystal synthetic diamond using ion beam induced charge imaging Nuclear Instruments and Methods in Physics Section B – Beam interactions with Materials and Atoms, 260 (1), pp. 293-298.
• Baier, N., Brambilla, A., Feuillet, G., Lohstroh, A., Renet, S. and Sellin, P., (2007) EBIC and IBIC imaging on polycrystalline CdTe , Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 576 (1), pp. 5-9.
• Veale, M.C., Sellin, P.J., Lohstroh, A., Davies, A.W., Parkin, J., and Seller, P., (2007) X-ray spectroscopy and charge transport properties of CdZnTe grown by the vertical Bridgman method, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 576 (1), pp. 90-94.
• Sellin, P.J., Davies, A.W., Boroumand, F., Lohstroh, A., Özsan, M.E., Parkin, J., and Veale, M. (2007) IBIC characterization of charge transport in CdTe : Cl , Semiconductors 41, pp. 395.
• Parkin, J., Sellin, P.J., Davies, A.W., Lohstroh, A., Özsan, M.E. and Seller, P., (2007) alpha Particle response of undoped CdMnTe, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 573 (1-2), pp. 220-223
• Lohstroh, A., Sellin, P.J., Wang, S.G., Davies, A.W., and Parkin, J.M.,(2007) Mapping of polarization and detrapping effects in synthetic single crystal chemical vapor deposited diamond by ion beam induced charge imaging Journal of Applied Physics, 101 (6), ARTN 0.
• Lohstroh, A., Sellin, P.J., Wang, S.G., Davies, A.W., Parkin, J., Martin, R.W., and Edwards,
P.R., (2007) Effect of dislocations on charge carrier mobility-lifetime product in synthetic single crystal diamond, Appl. Phys. Lett., 90 (10), ARTN 1.
(). 2006
• Wang, S.G., Sellin, P. ,and Lohstroh, A., (2006) Temperature-dependent hole detrapping for unprimed polycrystalline chemical vapor deposited diamond, Appl. Phys. Lett., 88 (2), ARTN 0.
• Wang, S., Sellin, P., and Lohstroh, A. (2005) Alpha particle transient response of a polycrystalline diamond detector Carbon, 43 (15). pp. 3167-3171.
(). 2005
• Sellin, P.J., Davies, A.W., Lohstroh, A., Özsan, M.E., and Parkin, J. (2005) Drift mobility and mobility-lifetime products in CdTe : Cl grown by the travelling heater method, IEEE Transactions on Nuclear Science, 52 (6). pp. 3074-3078.
• Davies, A.W., Lohstroh, A., Özsan, M.E., and Sellin, P.J., (2005) Spatial uniformity of electron charge transport in high resistivity CdTeIn: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 546 (1-2), pp. 192-199.
• Wang, S.G., Sellin, P.J., Lohstroh, A., and Özsan, M.E., (2005) Pulse shape study of chemical vapor deposited diamond alpha particle detectors Materials Research Society Symposium Proceedings, 828. pp. 369-374.
• Wang, S.G., Sellin, P.J., Zhang, Q., Lohstroh, A., Özsan, M.E., and Tian, J.Z., (2005) The effects of plasma post-treatment on the photoresponsivity of CVD diamond UV photodetectors, Diamond and Related Materials 14, (3–7), pp. 541-545.
• Wang, S.G., Sellin, P.J., Lohstroh, A., and Zhang, Q. (2005) Performance improvement of polycrystalline diamond ultraviolet photodetectors by room-temperature plasma treatment Appl. Phys. Lett., 86 (9), ARTN 0.
on Advanced Materials and Processing, 2004-11-02 - 2004-11-05, Beijing, PEOPLES R CHINA
(). 2004
• Sellin, P.J., Hoxley, D., Lohstroh, A., Simon, A., Cunningham, W., Rahman, M., Vaitkus, J., and Gaubas, E., (2004) Ion beam induced charge imaging of epitaxial GaN detectors, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 531 (1-2), pp. 82-86.
• Simon, A., Sellin, P.J. and Lohstroh, A., (2004) IBIC imaging of intra-crystallite charge transport in CVD diamond at reduced temperature, Nuclear Instruments and Methods in Physics Research Section B – Beam interactions with Materials and Atoms 219, pp. 1022-1026.
• Sellin, P.J., Lohstroh, A., Simon, A., and Breese, M.B.H., (2004) Digital IBIC-new spectroscopic modalities for ion-beam-induced charge imaging, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 521 (2-3). pp. 600-607.
• Lohstroh, A., Sellin, P.J., and Simon, A., (2004) High-resolution mapping of the mobility-lifetime product in CdZnTe using a nuclear microprobe Journal of Physics – Condensed Matter, 16 (2), PII S0. S67-S73.
• Lohstroh, A., Uhrmacher, M., Wilbrandt, P.J., Wulff, H., Ziegeler, L., and Lieb, K.P. (2004) Electronic relaxation in indium oxide films studied with perturbed angular correlations, Hyperfine Interactions 159 (1-4), pp. 35-42.
• Kulinska, A., Uhrmacher, M., Dedryvere, R., Lohstroh, A., Hofsass, H., Lieb, K.P., Picard-Garcia, A.,
and Jumas, J.C., (2004) Lithium insertion into In2S3 studied by perturbed gamma-gamma angular correlation Journal of solid state Chemistry, 177 (1). pp. 109-118.
(). 2003
• Simon, A., Sellin, P., Lohstroh, A., and Jeynes, C. (2003) Ion beam induced charge microscopy imaging of CVD diamond, Institute of Physics Conference Series, Vol 180, pp.449-452.
(). 2001
• Vetter, U., Uhrmacher, M., Schwen, D., Lohstroh, A., Hofsass, H., and Lieb, K.P. (2001) Lattice location studies of indium in Cr2O3, Hyperfine Interactions 136, pp. 607-612
• Dedryvere, R., Uhrmacher, M,, Lohstroh, A,, Picard-Garcia, A,, Olivier-Fourcade, J., and Jumas, J.C.,(2001) Lithium in In2S3 , Hyperfine Interactions 136, pp. 479-484.