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Zn+–O Dual-Spin Surface State Formation by Modification of ZnO Nanoparticles with Diboron Compounds

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journal contribution
posted on 26.08.2019, 20:43 by Yang Cao, Yongguang Tu, Peng Zhou, Jianning Zhang, Yuchen Deng, Biao Kong, Xu Zhang, Shaojun Guo, Rui Zhu, Ding Ma, Yang Yang, Fanyang Mo
ZnO semiconductor oxides are versatile functional materials that are used in photoelectronics, catalysis, sensing, etc. The Zn+–O surface electronic states of semiconductor oxides were formed on the ZnO surface by Zn 4s and O 2p orbital coupling with the diboron compound’s B 2p orbitals. The formation of spin-coupled surface states was based on the spin–orbit interaction on the interface, which has not been reported before. This shows that the semiconductor oxide’s spin surface states can be modulated by regulating surface orbital energy. The Zn+–O surface electronic states were confirmed by electron spin resonance results, which may help in expanding the fundamental research on spintronics modulation and quantum transport.

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