An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Skelton JM, Burton LA, Parker SC, Walsh A, Kim CE, Soon A, Buckeridge J, Sokol AA, Catlow CR, Togo A, Tanaka I.Skelton JM, et al.Phys Rev Lett. 2016 Aug 12;117(7):075502. doi: 10.1103/PhysRevLett.117.075502. Epub 2016 Aug 10.Phys Rev Lett. 2016.PMID: 27563974Free article.