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Single molecular spectroscopy: Identification of individual fullerene molecules

Publication

Physical Review Letters

Tizei, L. H. G.; Liu, Z.; Koshino, M.; Iizumi, Y.; Okazaki, T.; Suenaga, K.

We report the molecule-by-molecule spectroscopy of individual fullerenes by means of electron spectroscopy based on scanning transmission electron microscopy.
Uranium trioxide behaviour during electron energy loss spectroscopy analysis

Publication

Radiation Physics and Chemistry

Degueldre, C.; Alekseev, E.

A sample of uranium trioxide (UO3) was produced by focused ion beam (~10 μm x ~10 μm x
Nanoscale voxel spectroscopy by simultaneous EELS and EDS tomography

Publication

Nanoscale

Haberfehlner, G.; Orthacker, A.; Albu, M.; Li, J.; Kothleitner, G.

Extending the capabilities of electron tomography with advanced imaging techniques and novel data processing methods, can augment the information content in three-dimensional (3D) reconstructions from projections taken in the transmission electron microscope (TEM).
Fast STEM spectrum imaging using simultaneous EELS and EDS

Publication

Microscopy Today

Longo, P.; Twesten, R.
Evaluation of cytotoxic, genotoxic and inflammatory response in human alveolar and bronchial epithelial cells exposed to titanium dioxide nanoparticles

Publication

Journal of Applied Toxicology

Ursini, C. L.; Cavallo, D.; Fresegna, A. M.; Ciervo, A.; Maiello, R.; Tassone, P.; Buresti, G.; Casciardi, S.; Iavicoli, S.

The toxicity of titanium dioxide nanoparticles (TiO2-NPs), used in several applications, seems to be influenced by their specific physicochemical characteristics.
Review of recent advances in spectrum imaging and its extension to reciprocal space

Publication

Japan Society of Microscopy

Maigne, A.; Twesten, R. D.

Using examples from various domains of science, this review covers some recent developments in spectrum imaging (SI) using scanning transmission electron microscopy (STEM) and electron energy loss spectroscopy (EELS).
Atomic scale real-space mapping of holes in YBa2Cu3O6+δ

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.
A model study on the carburization process of iron-based Fischer–Tropsch catalysts using in situ TEM–EELS

Publication

Applied Catalysis B: Environmental

Janbroers, S.: Crozierc, P. A.; Zandbergen, H. W.; Kooyman, P. J.

In order to elucidate the activation mechanism of iron based Fischer–Tropsch catalysts, we performed in situ nanoscale structural and compositional analysis during carburization in CO atmosphere. We found that inside an ETEM at 20 Torr CO, hematite reduces while severe sintering occurs.
Evolution of order in amorphous-to-crystalline phase transformation of MgF2

Publication

Journal of Applied Crystallography

Mu, X.; Neelamraju, S.; Sigle, W.; Koch, C. T.; Totò, N.; Schön, J. C.; Bach, A.; Fischer, D.; Jansen, M.; van Aken, P. A.

Structural disorder and distortion play a significant role in phase transformations. Experimentally, electron diffraction in the transmission electron microscope offers the ability to characterize disorder via the pair distribution function (PDF) at high spatial resolution.
Fe speciation in geopolymers with Si/Al molar ratio of ∼2

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.

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