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Articles by Y Tanishiro
Total Records ( 2 ) for Y Tanishiro
  H Sawada , Y Tanishiro , N Ohashi , T Tomita , F Hosokawa , T Kaneyama , Y Kondo and K. Takayanagi
 

A spherical aberration-corrected electron microscope has been developed recently, which is equipped with a 300-kV cold field emission gun and an objective lens of a small chromatic aberration coefficient. A dumbbell image of 47 pm spacing, corresponding to a pair of atomic columns of germanium aligned along the [114] direction, is resolved in high-angle annular dark field (HAADF) scanning transmission electron microscopy (STEM) with a 0.4-eV energy spread of the electron beam. The observed image was compared with a simulated image obtained by dynamical calculation.

  Y Oshima , H Sawada , F Hosokawa , E Okunishi , T Kaneyama , Y Kondo , S Niitaka , H Takagi , Y Tanishiro and K. Takayanagi
 

We visualized lithium atom columns in LiV2O4 crystals by combining scanning transmission electron microscopy with annular bright field (ABF) imaging using a spherical aberration-corrected electron microscope (R005) viewed from the [110] direction. The incident electron beam was coherent with a convergent angle of 30 mrad (semi-angle), and the detector collected scattered electrons over 20–30 mrad (semi-angle). The ABF image showed dark dots corresponding to lithium, vanadium and oxygen columns.

 
 
 
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