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cond-mat.str-el2014★ 54 cited
Spectroscopic evidence for negative electronic compressibility in a quasi-three-dimensional spin-orbit correlated metal
Junfeng He, T. Hogan, Thomas R. Mion +20
Negative compressibility is a sign of thermodynamic instability of open or non-equilibrium systems. In quantum materials consisting of multiple mutually coupled subsystems, the com…
cond-mat.str-el2011★ 21 cited
Single-layer behavior and slow carrier density dynamic of twisted graphene bilayer
Lan Meng, Yanfeng Zhang, Wei Yan +4
We report scanning tunneling microscopy (STM) and spectroscopy (STS) of twisted graphene bilayer on SiC substrate. For twist angle ~ 4.5o the Dirac point ED is located about 0.40 e…