Thermal equation of state of cubic boron nitride: Implications for a high-temperature pressure scale

Alexander F. Goncharov,1,2 Jonathan C. Crowhurst,2 John K. Dewhurst,3 Sangeeta Sharma,4 Chrystele Sanloup,5 Eugene Gregoryanz,1,6 Nicolas Guignot,7 and Mohamed Mezouar7 1Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Road NW, Washington, DC 20015, USA 2Lawrence Livermore National Laboratory, University of California, 7000 East Avenue, Livermore, California 94551, USA 3School of Chemistry, The University of Edinburgh, Edinburgh, United Kingdom 4Institut für Theoretische Physik, Freie Universität Berlin, Berlin, Germany and Fritz Haber Institute of the Max Planck Society, Berlin, Germany 5Université Pierre et Marie Curie and Insitut de Physique du Globe de Paris, Paris, France 6School of Physics and Center for Science at Extreme Conditions, University of Edinburgh, Edinburgh, United Kingdom 7European Synchrotron Radiation Facility, Grenoble, France Received 28 February 2007; published 21 June 2007