Haas, S.Batlogg, B.Besnard, C.Schiltz, M.Kloc, C.Siegrist, T.2007-11-272007-11-272007-11-27200710.1103/PhysRevB.76.205203https://infoscience.epfl.ch/handle/20.500.14299/14925WOS:00025132690004311686Large uniaxial negative thermal expansion in pentacene due to steric hindrancetext::journal::journal article::research article