| Affiliation: | 1. School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798 (Singapore);2. Data Storage Institute, Agency for Science, Technology and Research (A*STAR), DSI Building, Singapore 117608 (Singapore);3. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371 (Singapore);4. Laboratoire CRISMAT, CNRS UMR 6508, ENSICAEN, 14050 Caen Cedex (France);5. Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), Singapore 117602 (Singapore) |
