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|Title:||Room temperature ferromagnetism at self-assembled monolayer modified Ag nanocluster-ZnO nanowire interface||Authors:||Deng, S.
|Issue Date:||2008||Citation:||Deng, S., Loh, K.P., Yi, J.B., Ding, J., Tan, H.R., Lin, M., Foo, Y.L., Zheng, M., Sow, C.H. (2008). Room temperature ferromagnetism at self-assembled monolayer modified Ag nanocluster-ZnO nanowire interface. Applied Physics Letters 93 (19) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3025853||Abstract:||Magnetic characterization of ZnO nanowires (NW) decorated with thiol-capped Ag nanoclusters (NCs) reveals spontaneous field-dependent magnetization and hysteresis at room temperature. The saturation magnetization is temperature independent for the 13 nm thiol-capped Ag NCs but unexpectedly increases with temperature for the 4 nm thiol-capped Ag NCs. The high magnetic moment results from the efficient dispersal of Ag NCs on the ZnO NW scaffold and charge transfer interaction between Ag and ZnO. The anomalous magnetic behavior in 4 nm NCs may be due to the spin reorientation of Ag-S dipoles mediated by Zn-S dipoles. © 2008 American Institute of Physics.||Source Title:||Applied Physics Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/52626||ISSN:||00036951||DOI:||10.1063/1.3025853|
|Appears in Collections:||Staff Publications|
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