Jompol, Y.
Roulleau, P.
Jullien, T.
Roche, B.
Farrer, I.
Ritchie, D. A.
Glattli, D. C.
Article History
Received: 20 June 2014
Accepted: 16 December 2014
First Online: 27 January 2015
Competing interests
: The authors declare no competing financial interests.