Photo-induced phase-transitions in complex solids

Rajpurohit, Sangeeta; Simoni, Jacopo; Tan, Liang Z.

doi:10.1039/d2na00481j

Cited by 2 publications

(1 citation statement)

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“…Photoinduced phase transitions (PIPTs) highlight the transformative ability of light on magnetic materials. These transitions can be transient or even permanent, depending on the energy and duration of the incident light as well as the intrinsic properties of the material. − Among the photoinduced magnetic phase transitions, the transformation from AFM to FM states is a highly representative example.…”

Section: Development Of Optical Controllable Magnetism Devicesmentioning

confidence: 99%

Perspectives: Light Control of Magnetism and Device Development

Fang,

Wu,

Zhang

et al. 2024

ACS Nano

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Accurately controlling magnetic and spin states presents a significant challenge in spintronics, especially as demands for higher data storage density and increased processing speeds grow. Approaches such as light control are gradually supplanting traditional magnetic field methods. Traditionally, the modulation of magnetism was predominantly achieved through polarized light with the help of ultrafast light technologies. With the growing demand for energy efficiency and multifunctionality in spintronic devices, integrating photovoltaic materials into magnetoelectric systems has introduced more physical effects. This development suggests that sunlight will play an increasingly pivotal role in manipulating spin orientation in the future. This review introduces and concludes the influence of various light types on magnetism, exploring mechanisms such as magneto-optical (MO) effects, light-induced magnetic phase transitions, and spin photovoltaic effects. This review briefly summarizes recent advancements in the light control of magnetism, especially sunlight, and their potential applications, providing an optimistic perspective on future research directions in this area.

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