2000 character limit reached
Chiral charge order in the superconductor 2H-TaS2
Published 18 Jul 2011 in cond-mat.supr-con and cond-mat.str-el | (1107.3571v1)
Abstract: We find chiral charge order in the superconductor 2H-TaS2 using Scanning Tunneling Microscopy and Spectroscopy (STM/S) at 0.1 K. Topographic images show hexagonal atomic lattice and charge density wave (CDW) with clockwise and counterclockwise charge modulations. Tunneling spectroscopy reveals the superconducting density of states, disappearing at Tc = 1.75 K and showing a wide distribution of values of the superconducting gap, centered around \Delta=0.28 meV.
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