Articles tagged "defects"

• The 16th European Microscopy Congress 2016

  Probing localized strain in solution-derived YBCO nanocomposite films

  Roger Guzman (1), Jaume Gazquez (1), Bernat Mundet (1), Pablo Callado (1), Laia Soler (1), Julia Jareño (1), Mariona Coll (1), Xavier Obradors (1), Teresa Puig (1)

  1. Institut de Ciència de Materials de Barcelona (ICMAB), Consejo Superior de Investigaciones Científicas (CSIC), Bellaterra, Espagne

  The investigation of the atomic structure of individual defects is critical to the understanding andprecise controlling of the physical properties of materials. And although defects…

• The 16th European Microscopy Congress 2016

  Effects of electron-beam-generated anion point defects on the long range order of charge density waves in 1T-TaSe2, 1T-TaS2

  Michael Kinyanjui (1, 2), Pia Boerner (2), Tibor Lehnert (2), Janis Koster (2), Ute Kaiser (2)

  1. Helmholtz Institute Ulm, Karlsruhe institute of technology , Karlsruhe, Allemagne 2. Electron Microscopy Group of Material Sciences, Ulm University, Ulm, Allemagne

  Charge density waves (CDW) are periodic modulations of charge density in low-dimensional metals observed as a function of temperature, doping and pressure. Due to electron-phonon…

• The 16th European Microscopy Congress 2016

  Investigating Cu diffusion in CdTe solar cells via aberration-corrected STEM: Cu2-xTe precipitates at CdTe twins and the CdTe/CdS interface

  Chen Li (1), Timothy J. Pennycook (2), Sarah Haigh (3), Andrew Lupini (4), Naba Paudel (5), Yanfa Yan (5), Stephen Pennycook (6)

  1. Department of Lithospheric Research, University of Vienna, Vienna, Autriche 2. Faculty of Physics, University of Vienna, Vienna, Autriche 3. School of Materials, The University of Manchester, Manchester, Royaume Uni 4. Materials Science & Technology Division, Oak Ridge National Laboratory, Oak Ridge, Etats-Unis 5. Department of Physics and Astronomy, The University of Toledo, Toledo, Etats-Unis 6. Department of Materials Science and Engineering, National University of Singapore, Singapore, Singapour

   CdTe is one of the most promising materials for thin film solar cells due to its near-optimum bandgap, high efficiency and low cost of fabrication.…

• The 16th European Microscopy Congress 2016

  TEM analysis of stress induced defects in baddeleyite xenocrysts from the Phalaborwa complex

  Mike Lee (1), Jacques O'Connell (1), Arno Janse van Vuuren (1)

  1. Centre for HRTEM, Nelson Mandela Metropolitan University, Port Elizabeth, Afrique du Sud

  Large deposits of baddeleyite (natural zirconia) were found in the Phalaborwa complex and mainly in the foskorite ore zone and to a lesser extent in…

• The 16th European Microscopy Congress 2016

  ATOM-PROBE TOMOGRAPHY AND NANOSCIENCES

  Didier Blavette (1), Isabelle Mouton (2), Sébastien Duguay (1)

  1. GPM, Normandie Université, Rouen, France 2. LETI, CEA, Grenoble, France

  The design of Atom probe tomography (APT) at Oxford and Rouen universities 25 years ago has been an outstanding breakthrough in the microscopy world. APT…

• The 16th European Microscopy Congress 2016

  In situ TEM electrical biasing studies on defect based crystal-amorphous transformation in GeTe nanowire devices

  Pavan Nukala (1), Ritesh Agarwal (2)

  1. SPMS, Centrale Supelec, Chatenay-Malabry, France 2. Materials Science and Engineering, University of Pennsylvania, Philadelphia, Etats-Unis

  Germanium telluride (GeTe), a phase-change material, switches rapidly and reversibly between crystalline and amorphous phase. The crystalline to amorphous transformation pathway is based on melting…

• The 16th European Microscopy Congress 2016

  Transmission electron microscopy study of defects generated during chemical vapor deposition diamond lateral growth

  Fernando Lloret (1), Daniel Araujo (1), David Eon (2), M. Pilar Villar (1), Etienne Bustarret (2)

  1. Dept. Ciencia de Materiales e Ingeniería Metalúrgica y Química Inorgánica, Universidad de Cádiz, Puerto Real, Espagne 2. Institut Néel, CNRS Université Grenoble Alpes, Grenoble, France

  Synthetic diamond is one of the most promising materials for high power devices due to its extraordinary physical properties, such as high thermal conductivity (22…