Nie, Y. F.
Zhu, Y.
Lee, C.-H.
Kourkoutis, L. F.
Mundy, J. A.
Junquera, J.
Ghosez, Ph.
Baek, D. J.
Sung, S.
Xi, X. X.
Shen, K. M.
Muller, D. A.
Schlom, D. G.
Article History
Received: 3 April 2014
Accepted: 27 June 2014
First Online: 4 August 2014
Competing interests
: The authors declare no competing financial interests.