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26 results

Page 1 of 2

  • John C.H. Spence – friend, teacher, mentor, scientific pioneer and visionary

  • Ondrej L. Krivanek
  • Journal:
    / Volume 28 / Issue S1 / August 2022
    Published online by Cambridge University Press:
    22 July 2022, pp. 2742-2743
    Print publication:
    August 2022
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  • Aberration correction in electron microscopy and spectroscopy

  • Ondrej L. Krivanek
  • Journal:
    / Volume 27 / Issue S1 / August 2021
    Published online by Cambridge University Press:
    30 July 2021, pp. 3474-3478
    Print publication:
    August 2021
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  • Isotope-Resolved Electron Energy Loss Spectroscopy in a Monochromated Scanning Transmission Electron Microscope

  • Jordan A. Hachtel, Jacob R. Jokisaari, Ondrej L. Krivanek, Juan Carlos Idrobo, Robert F. Klie
  • Journal:
    / Volume 29 / Issue 1 / January 2021
    Published online by Cambridge University Press:
    15 January 2021, pp. 36-41
    Print publication:
    January 2021
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  • The development and implementation of high-stability monochromators in state-of-the-art aberration-corrected scanning transmission electron microscopes has enabled materials characterization with an energy resolution as good as 3 meV. This allows the vibrational modes, which would otherwise be obscured by the energy spread of the electron beam, to be probed with very high precision in molecular materials. Since the vibrational energies depend on the weight of the atomic nuclei, vibrational spectroscopy can distinguish isotopes whose only difference lies in their neutron content. This opens up isotopic analysis and mapping in transmission electron microscopy as two important new research areas. Here, we review the monochromated electron energy loss spectroscopy (EELS) instrumentation, discuss optimal methods for probing beam-sensitive materials without destroying them, and review key nanoscale isotope-resolved results.

  • Improving the STEM Spatial Resolution Limit

  • Ondrej L. Krivanek, Andrew L. Bleloch, Niklas Dellby, Tracy C. Lovejoy, Chenglong Shi, Wu Zhou
  • Journal:
    / Volume 24 / Issue S1 / August 2018
    Published online by Cambridge University Press:
    01 August 2018, pp. 18-19
    Print publication:
    August 2018
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  • Smarter than an iPhone: the emergence of the modern electron microscope

  • Ondrej L. Krivanek
  • Journal:
    / Volume 23 / Issue S1 / July 2017
    Published online by Cambridge University Press:
    04 August 2017, pp. 2292-2293
    Print publication:
    July 2017
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  • Advances in Atomic-resolution and Molecular-detection EELS

  • Ondrej L. Krivanek, Niklas Dellby, Tracy C. Lovejoy, Ray F. Egerton, Peter Rez
  • Journal:
    / Volume 23 / Issue S1 / July 2017
    Published online by Cambridge University Press:
    04 August 2017, pp. 1028-1029
    Print publication:
    July 2017
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  • Opportunities and Challenges in Ultra-High Energy Resolution EELS

  • Ondrej L. Krivanek, N. Dellby, M.V. Hoffman, T.C. Lovejoy
  • Journal:
    / Volume 22 / Issue S3 / July 2016
    Published online by Cambridge University Press:
    25 July 2016, pp. 952-953
    Print publication:
    July 2016
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  • Instrumentation/Technique Developments in Gareth Thomas’s Research Group

  • Ondrej L. Krivanek
  • Journal:
    / Volume 22 / Issue S3 / July 2016
    Published online by Cambridge University Press:
    25 July 2016, pp. 1222-1223
    Print publication:
    July 2016
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  • Zen-like Simplicity is Hard Work, and Other Secrets I Learned from Peter Swann

  • Ondrej L. Krivanek
  • Journal:
    / Volume 21 / Issue S3 / August 2015
    Published online by Cambridge University Press:
    23 September 2015, pp. 91-92
    Print publication:
    August 2015
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Page 1 of 2