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This research utilizes ultrafast laser pulses and X-ray techniques to induce transient hidden states in materials, effectively switching them between insulating and conductive phases without physical contact. The study advances fundamental understanding of non-equilibrium quantum matter dynamics by mapping these fleeting "hidden" phases at the National Synchrotron Light Source II. Such capabilities are critical for developing next-generation ultrafast electronic devices and exploring novel quantum material properties.
Ultrafast laser pulses reveal a material's hidden state of matter

What would it take to instantly transform a material from an electrical insulator into a conductive state without ever touching it? Using ultrafast laser pulses and powerful X-rays, scientists at the National Synchrotron Light Source II (NSLS-II)—a U.S. Department of Energy (DOE) Office of Science user facility at DOE's Brookhaven National Laboratory—developed a methodology to generate "hidden" phases and understand why they work.
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