Crystalline materials news, June 2019

Transition metal nanobelts show high conductivity

nanobelts of the transition metal NbAs show high mobility even when the carrier density is also high

Researchers fabricate new 2D perovskite material

By developing a process for fabricating oxide perovskite crystals in free-standing layers, researchers have produced a new class of 2D material.

Scientists discover why cesium and rubidium enhance perovskite solar cells

Scientists have discovered why adding cesium and rubidium to halide perovskite solar cells gives them more uniform characteristics.

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Strain forces growing crystals into a new dimension

The strain created by growing 2D crystals over 3D objects can be used to tailor the crystals' optoelectronic properties.

New computational method goes beyond perovskites

Engineers have developed a high-throughput computational method to design new hybrid organic-inorganic materials for solar cells and LEDs.

Researchers hear about new, efficient way to create MOFs

A new clean, green technique uses high-frequency sound waves to produce customized metal-organic frameworks in minutes.

Iron selenide turns out to be an utterly ordinary superconductor

Neutron scattering experiments on iron selenide have revealed that its electronic behavior is very similar to other iron-based superconductors.

Soft shell allows nanocubes to pack together in unusual way

Nanocubes coated with single-stranded DNA chains assemble into an unusual ‘zigzag’ arrangement that has never been observed before.

Rigid chemical bonds help MOFs to capture carbon dioxide

The gas separation ability of metal-organic frameworks can be greatly improved by using rapid heat treatment to make their lattice structure rigid.