Lead sulfide (PbS) forms when an equal number of lead and sulfur atoms exchange electrons and bond together in cubic crystals.

Many titles again top the list of most highly cited journals in their category MELVILLE, N.Y., June 30, 2011 /PRNewswire-USNewswire/ -- The American Institute of Physics (AIP) (www.aip.org) is pleased to report significant increases in the impact factors of many of its key titles, as reported in the 2010 Journal Citation Reports® (JCR) (Thomson Reuters 2011).

Publishing partnership to begin in 2012 MELVILLE, N.Y., April 19, 2011 /PRNewswire-USNewswire/ -- AIP Publishing, a division of the American Institute of Physics (AIP) (aip.org), is pleased to announce that it has signed a new partnership agreement with Chinese Journal of Chemical Physics (CJCP).

Educators can easily prepare course materials using AIP content MELVILLE, N.Y., April 14, 2011 /PRNewswire-USNewswire/ -- AIP Publishing, a division of the American Institute of Physics (AIP) (www.aip.org), announced today that it has signed a distribution agreement with publishing innovator SharedBook which makes AIP's catalog of highly cited journals available through SharedBook's AcademicPub platform.

All proteins self-assemble in a fraction of the blink of an eye, but it can take a long time to mimic the process.