High-sensitivity heat-capacity measurements on Sr
2
RuO
4
under uniaxial pressure
You-Sheng Li, Naoki Kikugawa, Dmitry A. Sokolov, Fabian Jerzembeck, Alexandra S. Gibbs, Yoshiteru Maeno, Clifford W. Hicks, Jörg Schmalian, Michael Nicklas, Andrew P. Mackenzie.