Scanning transmission electron microscopy: A review of high angle annular dark field and annular bright field imaging and applications in lithium-ion batteries<xref rid="cpb_27_6_066107_fn1" ref-type="fn">*</xref><fn id="cpb_27_6_066107_fn1"> <label>*</label> <p>Project supported by the National Basic Research Program of China (Grant No. 2014CB921002), the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB07030200), and the National Natural Science Foundation of China (Grant Nos. 51522212, 51421002, and 51672307).</p> </fn>

Scanning transmission electron microscopy: A review of high angle annular dark field and annular bright field imaging and applications in lithium-ion batteries* *

Project supported by the National Basic Research Program of China (Grant No. 2014CB921002), the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB07030200), and the National Natural Science Foundation of China (Grant Nos. 51522212, 51421002, and 51672307).

Tong Yu-Xin^{1, 2}, Zhang Qing-Hua^{1, †}, Gu Lin^{1, 2, ‡}

(color online) (a) ABF image of 70 nm LiFePO₄ viewed at the [010] zone axis. The staging area is marked by dashed yellow lines. (b)–(d) Enlarged images of LiFePO₄, FePO₄ phase and interfacial phase with staging structure, corresponding to the tubes, green and red squares in (a), respectively. (e) and (f) The line profiles issued from the ABF image correspond to different colored lines in (d).^[56]