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Showing 51-60 of 144
  • Media Image
    Paolo Longo, Ph.D., Gatan, Inc. Sample courtesy of Dr. P. Rice and Dr. T. Topuria at IBM (Almaden), San Jose, CA Microscope courtesy of Dr. P. Rice and Dr. T. Topuria at IBM (Almaden), San Jose, CA Acknowledgements to Dr. P. Rice and Dr. T. Topuria at IBM (Almaden), San Jose, CA for helping set up microscope for experiment.

    Methods

  • Media Image
    Paolo Longo, Ph.D., Gatan, Inc. Sample courtesy of Dr. Pavel Potapov at Global Foundries, Dresden, Germany Microscope courtesy of Dr. P. Rice and Dr. T. Topuria at IBM (Almaden), San Jose, CA Acknowledgements to Dr. P. Rice and Dr. T. Topuria at IBM (Almaden), San Jose, CA for helping set up microscope for experiment.

    Methods

  • Media Image
    Paolo Longo, Ph.D., Gatan, Inc. Sample courtesy of Dr. Yan Xin at Florida State University, Tallahassee, FL Microscope courtesy of Professor Gerald Kothleitner, TU-Graz, Austria Acknowledgement to Dr. Arno Meingast at CCEM, TU-Graz, Austria for helping set up microscope for experiment.

    Methods

  • Media Image
    Paolo Longo, Ph.D., Gatan, Inc. Sample courtesy of Dr. Giuseppe Nicotra at IMM-CNR, Catania, Italy Microscope courtesy of Dr. Giuseppe Nicotra at IMM-CNR, Catania, Italy

    Methods

  • Media Image
    Paolo Longo, Ph.D., Gatan, Inc. Sample courtesy of Dr. P. Rice and Dr. T. Topuria at IBM (Almaden), San Jose, CA Microscope courtesy of Dr. Giuseppe Nicotra, IMM-CNR, Catania, Italy

    The lab where EELS maps were taken is situated at the slopes of Mount Etna in Sicily, Italy. Mount Etna is the highest active volcano in Europe. The EELS elemental maps were taken at high speed during major volcano eruption, as shown in the volcano webcam photograph above the maps.

  • Media Image
    Paolo Longo, Ph.D., Gatan, Inc.

    EELS data taken using a FEI F20 TEM/STEM microscope equipped with S-FEG emission gun and a fully loaded GIF Quantum® ER system.

    Methods

  • Media Image
    Paolo Longo, Ph.D., Gatan, Inc. Sample courtesy of Dr. Li Zhou at Ames Lab, Iowa

    EELS data taken using a FEI F20 TEM/STEM microscope equipped with S-FEG emission gun and a fully loaded GIF Quantum® ER system.

    Methods

    Voltage: 200 kV; data taken in STEM mode; EELS spectrum (300 – 2300 eV) exposure time: 8 ms; total exposure time:

  • Media Image
    Paolo Longo, Ph.D., Gatan, Inc. Microscope and sample courtesy of Dr. Maria Varela at Oak Ridge National Lab, Oak Ridge, TN

    EELS data were acquired using a probe-corrected NION Ultrastem 200 TEM/STEM microscope equipped with C-FEG emission gun and a fully loaded Enfinium™ ER system.

    Methods

  • Publication
    Journal of the European Ceramic Society
    Perera, D. S.; Cashion, J. D.; Blackford, M. G.; Zhang, Z.; Vance, E. R.

    The speciation of Fe was studied in metakaolin-based geopolymers to which Fe was added as ferric nitrate solution or freshly precipitated ferric hydroxide.

  • Publication
    Nature Communications
    Gauquelin, N.; Hawthorn, D. G.; Sawatzky, G. A.; Liang, R. X.; Bonn, D. A.; Hardy, W. N.; Botton, G. A.

    The high-temperature superconductor YBa2Cu3O6+δ consists of two main structural units—a bilayer of CuO2 planes that are central to superconductivity and a CuO2+δ chain layer.

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