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arXiv

Electric field control of the exchange field of a single spin impurity on a surface

作     者:Zhang, Xue Reina-Gálvez, Jose Wu, Di'an Martinek, Jan Heinrich, Andreas J. Choi, Taeyoung Wolf, Christoph 

作者机构:Spin-X Institute State Key Laboratory of Luminescent Materials and Devices Center for Electron Microscopy South China University of Technology Guangzhou511442 China School of Microelectronics South China University of Technology Guangzhou511442 China  Seoul03760 Korea Republic of Ewha Womans University Seoul03760 Korea Republic of Institute of Molecular Physics Polish Academy of Science Smoluchowskiego 17 Poznan60-179 Poland Department of Physics Ewha Womans University Seoul03760 Korea Republic of 

出 版 物:《arXiv》 (arXiv)

年 卷 期:2024年

核心收录:

主  题:Electron spin resonance spectroscopy 

摘      要:Electric control of spins offers faster switching and more localized manipulation compared to magnetic fields. In this work, we investigate static electric field effects on electron spin resonance of single molecules and atoms using scanning tunneling microscopy. We observe significant resonance frequency shifts when varying the applied DC voltage. These shifts cannot be adequately explained by g-factor changes or adsorbate displacement. Instead, we propose a model based on the control of the magnetic exchange field exerted to the spin impurity by the static electric field, which accurately reproduces the static electric field dependence of the resonance frequency. Our work provides crucial insights into electric field influence on surface spins, advancing fundamental understanding for many quantum technologies with efficient spin control via electric fields. Copyright © 2024, The Authors. All rights reserved.

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