Light- and temperature-assisted spin state annealing: accessing the hidden multistability
Yan‐Cong Chen, Yan Meng, Yan-Jie Dong, Xiaowei Song, Guo‐Zhang Huang, Chuanlei Zhang, Zhao‐Ping Ni, Jakub Navařík, Ondřéj Malina, Radek Zbořil, Ming‐Liang Tong
Abstract
] (isoq = isoquinoline), a medium-temperature annealing process is introduced after light/temperature stimulation, which accesses the hidden multistability of the spin state. With the combined effort of magnetic, crystallographic and Mössbauer spectral investigation, these distinct spin states are identified and the light- and temperature-assisted transition pathways are clarified. Such excitation-relaxation and trapping-relaxation joint mechanisms, as ingenious interplays between the kinetic and thermodynamic effects, uncover hidden possibilities for the discovery of multistable materials and the development of multistate intelligent devices.