Zhang, Yi http://orcid.org/0000-0002-8221-1033
Lu, Haidong
Xie, Lin
Yan, Xingxu
Paudel, Tula R.
Kim, Jeongwoo
Cheng, Xiaoxing
Wang, Hui http://orcid.org/0000-0001-9972-2019
Heikes, Colin http://orcid.org/0000-0002-8362-9175
Li, Linze
Xu, Mingjie
Schlom, Darrell G.
Chen, Long-Qing
Wu, Ruqian
Tsymbal, Evgeny Y.
Gruverman, Alexei http://orcid.org/0000-0003-0492-2750
Pan, Xiaoqing
Article History
Received: 30 October 2017
Accepted: 16 August 2018
First Online: 24 September 2018
Change Date: 5 October 2018
Change Type: Correction
Change Details: In the version of this Letter originally published, the right-hand arrow in Fig. 3b was incorrectly labelled; see correction note for details. Also, ref. 29 was incorrectly included in the reference list; it has now been removed.
Competing interests
: The authors declare no competing interests.