Thus, our observations strongly support that interlayer coupling in the CCDW phase creates a three-dimensional character of the electronic structure at low temperatures. In contrast, the room temperature NCDW phase is characterized by the unlocking of interlayer coupling, where the gradual loss of ...
Scanning tunneling microscopy of the charge-density-wave structure in 1T-TaS2. Phys. Rev. B 49, 16899–16916 (1994). Article ADS CAS Google Scholar Tsen, A. W. et al. Structure and control of charge density waves in two-dimensional 1T-TaS2. Proc. Natl Acad. Sci. USA 112, 15054–...
Local charge-density-wave structure in 1T-TaS2 determined by scanning tunneling microscopy J. DiSalvo, Local charge-density-wave structure in 1T-TaS2 determined by scanning tunneling microscopy, Phys. Rev. B 38, 10734 (1988).Thomson, RE, Walter, U, Ganz, E, Clarke, J, Zette, A, Rauch...
1 Atomic structure and stacking order of the 1T-TaS2 surface. a Atomic structure of the commensurate CDW phase (top view). b AC stacking order in the bulk (side view). Arrows indicate the spin components of the layer-by-layer antiferromagnetic order. c Type-I termination. d Type-II ...
The electronic structure of transition metal (TM) doped monolayer 1T-TaS 2 has been investigated by first-principles calculations. The binding energy of TM-doped TaS 2 changes from 1.75 for Nb to 15.49eV for W, where the distortion rates of bond length for S-TM and Ta-TM are in the ...
The complicated structure of this phase is characterized by the existence of higher order harmonics of the fundamental charge density-lattice wave with the nesting wave vector. In particular, the wave vector of the third harmonic lies very close to that of the fundamentals in the reciprocal space...
Diffraction studies have enabled the deformation structure of 1T TaS2to be interpreted in terms of charge density waves arising from a Kohn anomaly. There is good agreement between the observed periodicity of the lattice distortion and the value predicted from a Fermi surface based on recent band ...
In addition, the CCDW-ARIPES spectrum around the M(L) points exhibits a shoulder structure at 0.7 eV above EF, ascribed to the upper Hubbard band folded from the Γ(A) point. We have also observed an energy gap of ~100 meV in the unoccupied density of states in the CCDW phase....
We present a detailed high-resolution angle-resolved photoemission study of the electronic band structure of the room-temperature quasicommensurate charge-density-wave phase of 1T-TaS. In particular, we show that no crossings of the Fermi level are visible in the complete Brillouin zone, indicating...
The data further imply that the ordered charge density wave structure as a whole becomes superconducting at low temperatures, i.e., superconductivity and charge density waves coexist on a macroscopic scale in real space. This result is fundamentally different from a previously proposed separation of ...