Journal Article 2 first principles calculation Monte Carlo method 1 Na-ion Battery 1 Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 ZnSnN2 semiconductor 1 mehr ... carrier concentration 1 cathode materials 1 charge and discharge states 1 defects 1 phase stability 1 weniger ...