Research press release


Nature Materials

Hydrogen in view

最新式の透過電子顕微鏡で結晶中の水素原子を直接画像化できたことが、Nature Materials(電子版)に報告される。


Hydrogen atoms in a crystal have been directly imaged using a state-of-the-art transmission electron microscope, reports a paper online this week in Nature Materials.

Developments in electron optics during the past few years have allowed the imaging of several light elements. Hydrogen — the lightest of all — has eluded even the most powerful microscopes because of its very weak interaction with electron beams. Eiji Abe and co-workers have now achieved the goal of imaging atoms of this element in a specimen of yttrium hydride (YH2). They use a particular configuration of scanning transmission electron microscopes named annular bright field, in which an electron beam hits a crystal on one side and the atoms appear as dark spots on the images detected on the other side.

doi: 10.1038/nmat2957

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