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A correction to the article "Transport of Intensity Phase Retrieval of Arbitrary Wave Fields Including Vortices" that was published in the 2013 issue is presented.

Aberration‐corrected transmission electron microscopy (TEM), electron energy‐loss spectroscopy (EELS), and density functional theory (DFT) calculations are used by Turner et al. (pp. 1976–1984) to solve several key questions about the surface structure, the particle morphology, and the distribution and nature of nitrogen impurities in detonation nanodiamond. High‐resolution TEM demonstrates the stability of ultrasmall nanodiamonds under electron illumination at low acceleration voltage and is used to image the surface structure of detonation nanodiamond. Highresolution EELS measurements on the fine structure of the carbon K‐edge demonstrate that the typical π* pre‐peak of nanodiamond in fact consists of three sub‐peaks that arise from the presence of minimal fullerene‐like reconstructions at the nanoparticle surfaces and deviations from perfect sp3 coordination at defects. Spatially resolved EELS experiments evidence the presence of nitrogen within the core of detonation nanodiamond particles. The nitrogen is present throughout the whole diamond core, and can be enriched at defect regions. By comparing the fine structure of the experimental nitrogen K‐edge with calculated ELNES spectra from DFT, the embedded nitrogen is most likely related to single substitutional and/or A‐center nitrogen, combined with larger nitrogen clusters. [ABSTRACT FROM AUTHOR]

Transformation of Mn2O3 from cubic bixbyite to a distorted perovskite structure by treatment under high‐pressure high‐temperature conditions is presented in the Communication on page 1494 ff. by S. V. Ovsyannikov et al. Annular bright field scanning transmission electron microscopy (ABF‐STEM) imaging demonstrates the positions of the Mn and O atomic columns, indicating a heavily distorted octahedral framework in the perovskite‐type Mn2O3. [ABSTRACT FROM AUTHOR]

Unter Hochdruck ‐ und Hochtemperaturbedingungen wandelt sich Mn2O3 von der kubischen Bixbyit ‐ in eine verzerrte Perowskit ‐ Struktur um, wie S. V. Ovsyannikov et al. in der Zuschrift auf S. 1534 ff. beschreiben. Mit annularer Hellfeld ‐ Rastertransmissionselektronenmikroskopie (ABF ‐ STEM) wurden die atomaren Mn ‐ und O ‐ Säulen sichtbar gemacht, die auf ein stark verzerrtes oktaedrisches Gerüst im Perowskit ‐ Mn2O3 hinweisen. [ABSTRACT FROM AUTHOR]

Review: applications in the field of inorganic nanoparticles and interfaces; 208 refs. [ABSTRACT FROM AUTHOR]

A focused electron beam in a scanning transmission electron microscope (STEM) is used to create arrays of core-shell structures in a specimen of amorphous SiO2 doped with Ge. The same electron microscope is then used to measure the changes that occurred in the specimen in three dimensions using electron tomography. The results show that transformations in insulators that have been subjected to intense irradiation using charged particles can be studied directly in three dimensions. The fabricated structures include core-shell nano-columns, sputtered regions, voids, and clusters. [ABSTRACT FROM AUTHOR]