〇Alejandro Gomez Roca¹、Elvira Fantechi¹、Alberto Lopez-Ortega²、Neus G. Bastus¹、Sonia Estrade³、Pau Torruella³、Francesca Peiro³、Borja Sepulveda¹、Victor Puntes^1,4,5、Josep Nogues^1,4 (1.Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, E-08193 Barcelona, Spain、2.CIC nanoGUNE, Tolosa Hiribidea, 76, E-20018 Donostia-San Sebastian, Spain.、3.LENS-MIND-IN2UB, Dept. of Electronics, Univ. of Barcelona, Spain、4.ICREA, Pg. Llus Companys 23, E-08010 Barcelona, Spain、5.Vall d Hebron Institut de Recerca (VHIR), E-08035 Barcelona, Spain)