Molecular spintronics aims to deploy molecular functionality within ultra-low power spintronic devices. One such property is spin crossover (SCO), i.e., the toggling between lowspin (LS) and high-spin (HS) electronic states of a molecule’s transition metal site, which can occur through external stimuli such as light, electric field, temperature, or pressure [1]. So far, most SCO-based device research utilizes heavy auxiliary equipment (e.g. scanning tunneling microscope). The goal of our research track is to achieve similar molecular functionality in useful, real-world solid-state devices. A key challenge to overcome is that SCO molecules lose their toggling property when deposited onto a metal surface. We propose to solve this problem and enhance the impact of the SCO molecular property on spintronics, by custom engineering the spintronic interface with SCO molecules, using our prior, patented research . As a first step, we therefore propose in this Master 2 project to perform magneto-transport measurements on nanojunctions that will have been grown and nanofabricated by the team by Jan. 2025.