Room-temperature non-volatile optical manipulation of polar order in a charge density wave.

ABSTRACT: Utilizing ultrafast light-matter interaction to manipulate electronic states of quantum materials is an emerging area of research in condensed matter physics. It has significant implications for the development of future ultrafast electronic devices. However, the ability to induce long-lasting metastable electronic states in a fully reversible manner is a long-standing challenge. Here, by using ultrafast laser excitations, we demonstrate the capability to manipulate the electronic polar states in the charge-density-wave material EuTe₄ in a non-volatile manner. The process is completely reversible and is achieved at room temperature with an all-optical approach. Each induced non-volatile state brings about modifications to the electrical resistance and second harmonic generation

SUBMITTER: Liu Q 

PROVIDER: S-EPMC11484949 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature