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  • Gabrysch, MarkusUppsala universitet,Elektricitetslära (author)

Formation of secondary electron cascades in single-crystalline plasma-deposited diamond upon exposure to femtosecond x-ray pulses

  • Article/chapterEnglish2008

Publisher, publication year, extent ...

  • AIP Publishing,2008
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-110448
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-110448URI
  • https://doi.org/10.1063/1.2890158DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Secondary electron cascades were measured in high purity single-crystalline chemical vapor deposition (CVD) diamond, following exposure to ultrashort hard x-ray pulses (140 fs full width at half maximum, 8.9 keV energy) from the Sub-Picosecond Pulse Source at the Stanford Linear Accelerator Center. We report measurements of the pair creation energy and of drift mobility of carriers in two CVD diamond crystals. This was done for the first time using femtosecond x-ray excitation. Values for the average pair creation energy were found to be 12.17 +/- 0.57 and 11.81 +/- 0.59 eV for the two crystals, respectively. These values are in good agreement with recent theoretical predictions. The average drift mobility of carriers, obtained by the best fit to device simulations, was mu(h)= 2750 cm(2)/V s for holes and was mu(e)= 2760 cm(2) / V s for electrons. These mobility values represent lower bounds for charge mobilities due to possible polarization of the samples. The results demonstrate outstanding electric properties and the enormous potential of diamond in ultrafast x-ray detectors.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Marklund, ErikUppsala universitet,Molekylär biofysik(Swepub:uu)ermar499 (author)
  • Hajdu, JanosUppsala universitet,Molekylär biofysik(Swepub:uu)janohajd (author)
  • Twitchen, D. J.Element Six Ltd, Ascot SL5 8BP, Berks, England (author)
  • Rudati, J.Stanford Linear Accelerator Ctr, PULSE Ctr, Menlo Pk, CA 94025 USA (author)
  • Lindenberg, A. M.Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, USA; PULSE Center, Stanford Linear Accelerator Center, Menlo Park, California 94025, USA (author)
  • Caleman, CarlUppsala universitet,Molekylär biofysik(Swepub:uu)cajca839 (author)
  • Falcone, R. W.Department of Physics, University of California, Berkeley, California 94720, USA (author)
  • Tschentscher, T.Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany (author)
  • Moffat, K.Consortium for Advanced Radiation Sources, The University of Chicago, Chicago, Illinois 60637, USA (author)
  • Bucksbaum, P. H.PULSE Center, Stanford Linear Accelerator Center, Menlo Park, California 94025, USA (author)
  • Als-Nielsen, J.Niels Bohr Institute, Copenhagen University, 2100 Copenhagen Ø, Denmark (author)
  • Nelson, A. J.Lawrence Livermore National Laboratory, Livermore, California 94550, USA (author)
  • Siddons, D. P.National Synchrotron Light Source, Brookhaven National Laboratory, Upton, New York 11973, USA (author)
  • Emma, P. J.Stanford Linear Accelerator Ctr, PULSE Ctr, Menlo Pk, CA 94025 USA (author)
  • Krejcik, P.Stanford Linear Accelerator Ctr, PULSE Ctr, Menlo Pk, CA 94025 USA (author)
  • Schlarb, H.Stanford Linear Accelerator Ctr, PULSE Ctr, Menlo Pk, CA 94025 USA (author)
  • Arthur, J.Stanford Linear Accelerator Ctr, PULSE Ctr, Menlo Pk, CA 94025 USA (author)
  • Brennan, S.Stanford Linear Accelerator Ctr, PULSE Ctr, Menlo Pk, CA 94025 USA (author)
  • Hastings, J.Stanford Linear Accelerator Ctr, PULSE Ctr, Menlo Pk, CA 94025 USA (author)
  • Isberg, JanUppsala universitet,Elektricitetslära(Swepub:uu)jaisb133 (author)
  • Uppsala universitetElektricitetslära (creator_code:org_t)

Related titles

  • In:Journal of Applied Physics: AIP Publishing103:60021-89791089-7550

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