CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Regulation of Magnetic Behavior and Electronic Configuration in Mn-Doped ZnO Nanorods through Surface Modifications
Zhang, LJ(张丽娟); Wang, JQ(王建清); Li, J(李炯); Zhang, S(张硕); Jiang, Z(姜政); Zhou, J; Cheng, J; Hu, TD; Yan, WS; Wei, XJ(魏向军); Wu, ZY
2012
Source PublicationCHEMISTRY OF MATERIALS
ISSN0897-4756
Volume24Issue:9
AbstractIn this research, Mn-doped ZnO nanorods were synthesized by a solvothermal method and their magnetic behavior was tuned from paramagnetism to ferromagnetism via a change in their surface environment. The structure and electronic configuration of Mn ions were investigated by means of X-ray diffraction and X-ray absorption fine structure to understand the surface-controlled magnetic properties. The surface electronic configuration was studied by Mn L-3,L-2-edge XANES, which were simulated using the ligand field multiplet theory and the ligand-to-metal charge transfer effects. The results pointed out that Mn3+ ions occupy distorted tetrahedronal sites near the surface region and different surface modifications produce changes in the Mn 3d-anion p hybridization strength. A midgap state with strong O-2p character has been also recognized at the O K-edge XANES, and the density of such a state is strongly related to the observed ferromagnetism. This research represents a novel promising route for tuning the magnetic behavior of nano-dilute magnetic semiconductor systems via surface atomic changes.
Language英语
Funding Project应物所项目组
WOS IDWOS:000303628100017
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13281
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Zhang, LJ,Wang, JQ,Li, J,et al. Regulation of Magnetic Behavior and Electronic Configuration in Mn-Doped ZnO Nanorods through Surface Modifications[J]. CHEMISTRY OF MATERIALS,2012,24(9).
APA Zhang, LJ.,Wang, JQ.,Li, J.,Zhang, S.,Jiang, Z.,...&Wu, ZY.(2012).Regulation of Magnetic Behavior and Electronic Configuration in Mn-Doped ZnO Nanorods through Surface Modifications.CHEMISTRY OF MATERIALS,24(9).
MLA Zhang, LJ,et al."Regulation of Magnetic Behavior and Electronic Configuration in Mn-Doped ZnO Nanorods through Surface Modifications".CHEMISTRY OF MATERIALS 24.9(2012).
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