Light exposure switches heat flow in barium titanate by altering its structure, offering a reversible method for dynamic thermal control in ferroelectric materials. (Nanowerk Spotlight) We can switch ...

Controlling light with light is a long-sought goal for computing and communication technologies. Achieving this capability would allow optical signals to be processed without converting them into ...

An organic crystal was switched between paraelectric and ferroelectric states in a picosecond. Similar materials could eventually serve as extremely fast digital switches. Fast-changing crystals. The ...