Výsledky vyhledávání - "H.-U. Nissen"

The existence regions of structural modifications in decagonal Al-Co-Ni

Autor: T Godecke, M Scheffer, C Beeli, H.-U. Nissen, Reinhard Lück, S Ritsch

Publikováno v: Philosophical Magazine Letters. 78:67-75

A subdivision of the stability region of decagonal Al-Co-Ni quasicrystals into eight different structural modifications is presented for the temperature against composition section along the maximum extension of the decagonal phase. The only methods

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57ed37c3e429975c48e49aad97341518
https://doi.org/10.1080/095008398178048

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Redoxaktive Nanoröhren aus Vanadiumoxid

Autor: Frank Krumeich, H.-U. Nissen, Petra Bitterli, Martin Müller, Michael E. Spahr, Reinhard Nesper

Publikováno v: Angewandte Chemie. 110:1339-1342

Anders als die viel kleineren Kohlenstoffnanorohren erhalt man VOx-Nanorohren (Bild rechts) als Hauptprodukt einer direkten chemischen Synthese bei recht niedrigen Temperaturen. Die Rohrenwande sind mehrschichtig, und zwischen den Schichten befinden

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bcd266ff67db06e03f918e29e14f5c5b
https://doi.org/10.1002/(sici)1521-3757(19980504)110:9<1339::aid-ange1339>3.0.co

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Microtwinning in HoFe6Ge6 studied by high-resolution electron microscopy and electron diffraction

Autor: O. Oleksyn, R. Wessicken, H.-U. Nissen

Publikováno v: Philosophical Magazine Letters. 77:275-278

The microdomain structure of the HoFe6Ge6 phase has been studied by transmission electron microscopy (TEM) and electron diffraction. The main features of electron diffraction patterns and high-resolution TEM images confirmed the orthorhombic superstr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1de55d47934bbef0d7d137176892f7cb
https://doi.org/10.1080/095008398178426

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Study of YBa2Cu3O7—δ High-Tc Superconductor Single Crystals by Electron Microscopy

Autor: W. Schauer, K. Saito, C. Beeli, H.-U. Nissen, T. Wolf

Publikováno v: physica status solidi (a). 166:861-878

Microstructures of three types of YBa/sub 2/Cu/sub 3/O/sub 7- delta / single crystals having strong differences in their j/sub c/ levels have been studied by means of electron microscopy. In order to find any existing relation between the microstruct

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b7a0198c85ea2ce3deedcb4cc702c063
https://doi.org/10.1002/(sici)1521-396x(199804)166:2<861::aid-pssa861>3.0.co

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Crystal Structures of Ru Complex Sensitizers of TiO2Anatase Nanopowders

Autor: M. Erbudak, Michael Grätzel, Md. K. Nazeeruddin, T. Haibach, B. Bolliger, H.-U. Nissen, M. Hochstrasser, Shaik M. Zakeeruddin, Valery Shklover

Publikováno v: Journal of Solid State Chemistry. 132:60-72

Reference LPI-ARTICLE-1997-034doi:10.1006/jssc.1997.7409View record in Web of Science Record created on 2006-02-21, modified on 2017-05-12

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf0276559c58456bd8d6ad3f84345e3a
https://doi.org/10.1006/jssc.1997.7409

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One-dimensionally modulated quasicrystal phase related to icosahedral Al-Mn-Pd

Autor: C Beeli, H.-U. Nissen, D. Häussler

Publikováno v: Philosophical Magazine Letters. 75:117-124

Reference CIME-ARTICLE-1997-008View record in Web of Science Record created on 2007-02-15, modified on 2017-05-12

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::260ac36bc1731c7960cfeab457f9b9b6
https://doi.org/10.1080/095008397179831

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Structure of Nanocrystalline TiO2 Powders and Precursor to Their Highly Efficient Photosensitizer

Autor: Michael Grätzel, Valery Shklover, Andreas Kay, Rene Hermann, Christophe Jean Alexandre Barbe, H.-U. Nissen, Walter Steurer, Shaik M. Zakeeruddin, Mohammad Khaja Nazeeruddin, T. Haibach

Publikováno v: Chemistry of Materials. 9:430-439

Scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), and X-ray powder diffraction (XRD) studies on nanocrystalline TiO2 powders and thin films are presented. The size, shape (mostly exposed faces), and orderin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::781ec42ac09fd6ed088169cfbed7759d
https://doi.org/10.1021/cm950502p

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TEM study of twist boundaries and colony boundaries in (Bi,Pb)2Sr2Ca2Cu3Ox silver-sheathed tapes

Autor: René Flükiger, Giovanni Grasso, H.-U. Nissen, D.P. Grindatto, Bernhard Hensel

Publikováno v: Physica C: Superconductivity. 271:155-163

The grain boundaries in high-jc (Bi,Pb)2Sr2Ca2Cu3Ox silver-sheathed tapes have been investigated using transmission electron microscopy. The typical microstructural feature in these tapes are the colonies, which consist of grains with a common c-axis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5be440c2b39c7aba65af46efa813984c
https://doi.org/10.1016/s0921-4534(96)00517-5

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Electron microscopy of grain boundaries of Nb3Ge with the A15 structure

Autor: M. Arita, M. Stenzel, W. Schauer, H.-U. Nissen, Y. Kitano

Publikováno v: Physica Status Solidi (a). 157:379-392

High angle tilt boundaries in polycrystalline tapes of Nb3Ge, prepared by the coevaporation technique, have been studied by high resolution transmission electron microscopy. Based on geometric boundary theories, possible structure models have been co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b11a8e09ca57ca8a25915a3d119e921
https://doi.org/10.1002/pssa.2211570221

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