AI Article Synopsis
- The study focuses on using a single nickelocene molecule attached to a scanning microscopy probe for precise measurements of magnetic systems on surfaces, utilizing its unique triplet ground state for spin-sensitive analysis.
- The interaction between the nickelocene tip and surface spin systems results in detectable changes in electron spin-flip excitations, which can be analyzed both experimentally and through simulations to assess local spin moments.
- A Python script for simulating these magnetic interactions was developed and shared on GitHub, enhancing the research's accessibility and reproducibility.
Article Abstract
Functionalization of a scanning microscopy probe with a single nickelocene allows reproducible spin-sensitive measurements of magnetic systems on surfaces. The triplet ground state of the nickelocene tip gives rise to a characteristic inelastic electron spin-flip excitation, which can change upon interaction with spin systems on the surface. These changes, together with theoretical simulations, enable us to determine the local spin moment on the surface. In this paper, we discuss the experimental and theoretical aspects of nickelocene-tip measurements. We rationalize the interactions between the nickelocene spin and the magnetic centers using a spin Heisenberg and dipole model, complemented by cotunneling theory, and compare the simulated dI/dV with selected experimental results. We developed a Python script to simulate this magnetic interaction, which is available on GitHub.
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| http://dx.doi.org/10.1088/1361-648X/ad9c08 | DOI Listing |
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