Many of the remarkable electrical and optical properties of organic semiconductors are governed by the interaction of electronic excitations with intra- and intermolecular vibrational modes. However, ...

Sir Robert Robertson, Dr. J. J. Fox and Dr. A. E. Martin showed in 1934 1 that in addition to the normal type of diamond, which is always optically anisotropic, there is a rarer type which is much ...

Scientists at the U.S. Department of Energy’s Ames Laboratory have discovered an indicator that reliably demonstrates a sample’s high quality, and it was one that was hiding in plain sight for decades ...