Browsing FAS Scholarly Articles by Keyword "defects"

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    • Bending forces plastically deform growing bacterial cell walls 

      Amir, Ariel; Babaeipour, F.; McIntosh, D. B.; Nelson, David R.; Jun, Suckjoon (Proceedings of the National Academy of Sciences, 2014)
      Cell walls define a cell shape in bacteria. They are rigid to resist large internal pressures, but remarkably plastic to adapt to a wide range of external forces and geometric constraints. Currently, it is unknown how ...

    • Dumbbell Defects in FeSe Films: A Scanning Tunneling Microscopy and First-Principles Investigation 

      Huang, Dennis; Webb, Tatiana A.; Song, Can-Li; Chang, Cui-Zu; Moodera, Jagadeesh S.; Kaxiras, Efthimios; Hoffman, Jennifer Eve (American Chemical Society (ACS), 2016)
      The properties of iron-based superconductors (Fe-SCs) can be varied dramatically with the introduction of dopants and atomic defects. As a pressing example, FeSe, parent phase of the highest-Tc Fe-SC, exhibits prevalent ...

    • Stress evolution in Si during low-energy ion bombardment 

      Ishii, Yohei; Madi, Charbel S.; Aziz, Michael J.; Chason, Eric (Cambridge University Press (CUP), 2014)
      Measurements of stress evolution during low energy argon ion bombardment of Si have been made using a real-time wafer curvature technique. During irradiation, the stress reaches a steady state compressive value that depends ...