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词汇 CXD
分类 英语词汇 英语翻译词典
释义

CXD

英语百科

Coherent diffraction imaging

(重定向自CXD)
A diffraction pattern of a gold nanocrystal formed from using a nano area beam of coherent X-rays. This reciprocal space diffraction image was taken by Ian Robinson's Group to be used in the reconstruction of a real space coherent x-ray diffraction image in 2007.
A simulated double wall nanotube (n1,m1)(n2,m2) can be used to test a CDI algorithm. First, a simulated nanotube is created (left) given the chiral numbers, (26,24)(35,25) in this case. Then a diffraction pattern is created by using the power spectrum function in Digital Micrograph software (middle). Finally, the algorithm is tested by reconstructing a final image (right). This work was performed by Ji Li and Jian-Min Zuo in 2007.
Simulated single wall carbon nanotube (left) is used to generate a diffraction pattern (middle) for reconstruction (right) algorithm testing. The top and bottom are different chirality tubes. This work was performed by Ji Li and Jian-Min Zuo in 2007.

Coherent diffractive imaging (CDI) is a “lensless” technique for 2D or 3D reconstruction of the image of nanoscale structures such as nanotubes, nanocrystals, defects, potentially proteins, and more. In CDI, a highly coherent beam of x-rays, electrons or other wavelike particle or photon is incident on an object.

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