Host: The Japan Society of Vacuum and Surface Science
Name : Annual Meeting of the Japan Society of Vacuum and Surface Science 2023
Location : [in Japanese]
Date : October 31, 2023 - November 02, 2023
Sensing atomic-scale magnets through mechanical interaction offers the possibility of controlling new magnetic devices with low electrical current and high-density data storage [1, 2]. However, it is extremely challenging to study such weak interaction [3]. Here, we probe the z-component of the spin in finite Fe chains on a Ir surface by the spin-polarized STM and the non-contact atomic force microscopy (NC-AFM) at 4.5 K under external magnetic fields. We show NC-AFM images and tip-sample distance dependence of magnetic signals measured with spin-polarized tips. Our finding reveals the mechanical spin interactions between a tip and a sample at the atomic scale.
References:
[1] P. Rabl et al., Nat. Phys. 6, 602-608. (2010).
[2] M. Menzel et al., Phys. Rev. Lett, 108, 197204 (2012).
[3] U. Kaiser et al., Nature 446, 522-525 (2007).
