Discovery of light-induced ferroelectricity in strontium titanate

Most people think of water as existing in only one of three phases: Solid ice, liquid water, or gas vapor. But matter can exist in many different phases—ice, for example, has more than ten known phases, or ways that its atoms can be spatially arranged. The widespread use of piezoelectric materials, such as microphones and ultrasound, is possible thanks to a fundamental understanding of how an external force, like pressure, temperature, or electricity, can lead to phase transitions that imbue materials with new properties.

Discovery of light-induced ferroelectricity in strontium titanate

Light can be used not only to measure materials' properties, but also to change them. Especially interesting are those cases in which the function of a material can be modified, such as its ...

Fri 14 Jun 19 from Phys.org

Switchable “hidden phase” could unlock useful properties

Light-activated phase transition unlocks ability to separate charges and may lead to “digital” materials The term phase refers to an arrangement of atoms in a substance which gives ...

Fri 14 Jun 19 from The Engineer

A new study reveals 'hidden' phases of matter through the power of light

Philadelphia PA (SPX) Jun 17, 2019 Most people think of water as existing in only one of three phases: Solid ice, liquid water, or gas vapor. But matter can exist in many different phases--ice, ...

Wed 19 Jun 19 from SpaceDaily

A new study reveals 'hidden' phases of matter through the power of light, Thu 13 Jun 19 from Eurekalert

'Hidden' phases of matter revealed through the power of light

New chemistry research demonstrates how 'hidden' phases of matter can be activated by extremely fast pulses of light. This fundamental scientific breakthrough paves the way for creating materials ...

Fri 14 Jun 19 from ScienceDaily

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