Zhu, Di http://orcid.org/0000-0003-0210-1860
Zhao, Qing-Yuan
Choi, Hyeongrak
Lu, Tsung-Ju
Dane, Andrew E.
Englund, Dirk http://orcid.org/0000-0002-1043-3489
Berggren, Karl K.
Article History
Received: 27 November 2017
Accepted: 3 May 2018
First Online: 4 June 2018
Competing interests
: A related patent (WO2017136585A1) was filed by Q.-Y.Z. and K.K.B. through MIT.