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Materials

Chemistry In Pictures

Chemistry in Pictures: Crystal dahlia

by Alexandra Taylor
February 14, 2019
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Most Popular in Materials

 

A micrograph of a crystal cluster.
Credit: Eric Formo

This spiky cluster of SrCuSi4O10 crystals resembles a late-summer blossom or a close-up of a viral particle. To make the crystals, Darrah Johnson-McDaniel at the University of Georgia heated sources of copper and strontium with a silicate precursor in water. Eric Formo, laboratory manager at the Georgia Electron Microscopy facility, imaged the crystals. Formo says Johnson-McDaniel, could have made different structures by altering the temperature and pressure. Johnson-McDaniel’s group uses this hydrothermal method to tune the crystals’ size and shape to match them with applications such as fingerprint-dusting powders, bioceramics, and roofing materials.

Submitted by Eric Formo

Do science. Take pictures. Win money. Enter our photo contest here.

Related C&EN Content:

Scientists See Atomic Distortions In Crystals

Platinum Nanocrystals Show Their Best Face

Chemistry in Pictures: Crystalline dream.

CORRECTION: This story was updated on Feb. 15, 2019, to clarify that Darrah Johnson-McDaniel created the sample and Eric Formo imaged it.

Chemical & Engineering News
ISSN 0009-2347
Copyright © 2024 American Chemical Society

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