Original language | English |
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Article number | 219902 |
Journal | Applied Physics Letters |
Volume | 103 |
Issue number | 21 |
DOIs |
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State | Published - 18 Nov 2013 |
Bibliographical note
Funding Information:The authors S. H. Lee and J. H. Lee contributed equally to this work. This work was supported by the Priority Research Centers Program (2009-0093823), the Converging Research Center Program (2012K001321), and the Pioneer Research Center Program (2013008070) through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology. H.I. Jung acknowledges the project fund (C32730) to J.S. Choi from the Center for Analytical Research of Disaster Science of Korea Basic Science Institute.