Abstract
The developments of novel spintronic materials and spin-based electronic devices are hot topics of current research in materials science and solid-state physics. Both research fields could profit tremendously from atomic-scale insight into magnetic properties and spin-dependent interactions at the atomic level. Based on the development of spin-polarized scanning tunneling microscopy (SP-STM), the novel method of single-atom magnetometry has recently been established. It allows the measurement of magnetization curves and the determination of magnetic moments on an atom-by-atom basis. While the sensitivity level of single-atom magnetometry is below one Bohr magneton, it can easily be combined with the atomic-resolution imaging and manipulation capabilities of conventional STM, thereby offering a novel approach toward a rational material design based on the knowledge of the atomic-level properties and interactions within the solid state. Moreover, an atom-by-atom design and realization of all-spin logic devices has recently been demonstrated based on the combined knowledge derived from surface physics, nanoscience, and magnetism.
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Further Reading
Wiesendanger R (1994) Scanning probe microscopy and spectroscopy: methods and applications. Cambridge University Press, Cambridge
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Acknowledgements
Financial support from the Deutsche Forschungsgemeinschaft via SFB 668, from the EU via the ERC Advanced Grant FURORE, and from the Cluster of Excellence NANOSPINTRONICS, funded by the Forschungs- und Wissenschaftsstiftung Hamburg, is gratefully acknowledged. A. A. Khajetoorians acknowledges funding from the Emmy Noether Program DFG KH324/1-1.
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Brede, J., Chilian, B., Khajetoorians, A.A., Wiebe, J., Wiesendanger, R. (2016). Atomic-Scale Spintronics. In: Xu, Y., Awschalom, D., Nitta, J. (eds) Handbook of Spintronics. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-6892-5_30
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DOI: https://doi.org/10.1007/978-94-007-6892-5_30
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