期刊
MATERIALS TRANSACTIONS
卷 49, 期 9, 页码 1953-1956出版社
JAPAN INST METALS
DOI: 10.2320/matertrans.MAW200828
关键词
mechanical property; scanning transmission electron microscopy (STEM); annular darkfield (ADF)
资金
- Ministry of Education, Culture, Sports, Science and Technology [18360305]
Dislocations in a silicon single crystal introduced by three point-bending at a high temperature were observed by electron tomography in annular dark field-scanning transmission electron microscopy (ADF-STEM). Commercially available P type (001) single crystal wafers were employed. An ADF STEM tilt series was acquired from -60 degrees to +60 degrees in tilt range with 2 degrees in tilt step. The diffraction vector was maintained close to g(hkl) = 220 during the acquisition by adjusting the [110] direction of the sample parallel to the tilt axis of the holder. The observed dislocations were reconstructed by simultaneous interactive reconstruction technique, exhibiting a 3-D configuration of dislocations introduced by the three-point bending. [doi: 10.2320/matertrans.MAW200828]
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