Thin film structural analysis using variable-period x-ray standing waves
نویسندگان
چکیده
منابع مشابه
Structure Changes in Model Membranes Monitored by Variable Period X-ray Standing Waves: Effect of Langmuir-Blodgett Film Thickness on Thermal Behavior
Variable period X-ray standing wave (XSW) measurements have been used previously to monitor and to interpret structure rearrangements undergone during a phase transition in a model membrane with angstrom resolution. In the present study, an extended length scale ranging from 40 up to ca. 1000 8, has been used without sacrificing resolution to address the question of whether the phase transition...
متن کاملDirect method for imaging elemental distribution profiles with long-period x-ray standing waves
Vaibhav Kohli,1,2 Michael J. Bedzyk,1,3 and Paul Fenter2 1Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, USA 2Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, USA 3Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA Received 14 October 2009; revised manuscript ...
متن کاملProbing the polarity of ferroelectric thin films with x-ray standing waves
An x-ray-diffraction method that directly senses the phase of the structure factor is demonstrated and used for determining the local polarity of thin ferroelectric films. This method is based on the excitation of an x-ray standing-wave field inside the film as a result of the interference between the strong incident x-ray wave and the weak kinematically Bragg-diffracted x-ray wave from the fil...
متن کاملIn Situ Structural Analysis of Bpda-ppd Polyimide Thin Film Using Two-dimensitional Grazing Incidence X-ray Diffraction
Structural development of BPDA-PPD polyimide thin film has been investigated by in situ grazing incidence X-ray diffraction (GIXD) at the BL24XU beamline of the SPring-8. Optimizing the sample shape, two-dimensional images were measured successfully without sacrificing angle resolution. It has been clearly shown that the crystallization first begins in the in-plane direction, at the curing temp...
متن کاملSurface Structure Determination with X-ray Standing Waves
Figure 1: A standing wave with the periodicity of the substrate lattice is generated by reflection from a single crystal. By scanning the photon energy of the incident wave through the Bragg condition the XSW field above the surface changes in a characteristic way. The emitted photoelectrons or Auger electrons that are generated by inelastic scattering processes can be used as element-specific ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review B
سال: 2018
ISSN: 2469-9950,2469-9969
DOI: 10.1103/physrevb.98.165402