Negative quantum capacitance induced by midgap states in single-layer graphene L Wang, Y Wang, X Chen, W Zhu, C Zhu, Z Wu, Y Han, M Zhang, W Li, ... Scientific reports 3 (1), 2041, 2013 | 30 | 2013 |
Negative compressibility observed in graphene containing resonant impurities XL Chen, L Wang, W Li, Y Wang, YH He, ZF Wu, Y Han, MW Zhang, ... Applied Physics Letters 102 (20), 2013 | 10 | 2013 |