142 citations · 678 across the 17 of their papers we have counts for
17 papers
Unveiling the Semimetallic Nature of 1-TiSe by Doping its Charge Density Wave
T. Jaouen, M. Rumo, B. Hildebrand +10
The semimetallic or semiconducting nature of the transition metal dichalcogenide 1-TiSe remains under debate after many decades mainly due to the fluctuating nature of its 2…
Semimetal-to-semiconductor transition and charge-density-wave melting in -TiSeS single crystals
M. -L. Mottas, T. Jaouen, B. Hildebrand +9
The transition metal dichalcogenide -TiSe is a quasi-two-dimensional layered material with a phase transition towards a commensurate charge density wave (CDW) at a critical…
Robustness of the charge-ordered phases in IrTe against photoexcitation
C. Monney, A. Schuler, T. Jaouen +8
We present a time-resolved angle-resolved photoelectron spectroscopy study of IrTe, which undergoes two first-order structural and charge-ordered phase transitions on cooling b…
Local resilience of the -TiSe charge density wave to Ti self-doping
B. Hildebrand, T. Jaouen, C. Didiot +10
In Ti-intercalated self-doped -TiSe crystals, the charge density wave (CDW) superstructure induces two nonequivalent sites for Ti dopants. Recently, it has been shown that…
Impact of Electron-Hole Correlations on the 1T-TiSe2 Electronic Structure
G. Monney, C. Monney, B. Hildebrand +2
Several experiments have been performed on 1T-TiSe2 in order to identify whether the electronic structure is semimetallic or semiconducting without reaching a consensus. In this pa…
Tuning electronic correlations in transition metal pnictides: chemistry beyond the valence count
E. Razzoli, C. E. Matt, M. Kobayashi +14
The effects of electron-electron correlations on the low-energy electronic structure and their relationship with unconventional superconductivity are central aspects in the researc…
Induced Work Function Changes at Mg-doped MgO/Ag(001) Interfaces: a Combined Auger Electron Diffraction and Density Functional Study
T. Jaouen, P. Aebi, S. Tricot +5
The properties of MgO/Ag(001) ultrathin films with substitutional Mg atoms in the interface metal layer have been investigated by means of Auger electron diffraction experiments, u…
Doping nature of native defects in 1T-TiSe2
B. Hildebrand, C. Didiot, A. M. Novello +7
The transition metal dichalcogenide 1T-TiSe2 is a quasi two-dimensional layered material with a charge density wave (CDW) transition temperature of TCDW 200 K. Self-doping effects…
Unusual temperature dependence of the spectral weight near the Fermi level of NdNiO3 thin films
E. F. Schwier, R. Scherwitzl, Z. Vydrova +7
We investigate the behavior of the spectral weight near the Fermi level of NdNiO3 thin films as a function of temperature across the metal-to-insulator transition (MIT) by means of…
Exciton condensation driving the periodic lattice distortion of 1T-TiSe2
C. Monney, C. Battaglia, H. Cercellier +2
We address the lattice instability of 1T-TiSe2 in the framework of the exciton condensate phase. We show that, at low temperature, condensed excitons influence the lattice through…
Influence of elastic scattering on the measurement of core-level binding energy dispersion in x-ray photoemission spectroscopy
E. F. Schwier, C. Monney, N. Mariotti +5
In the light of recent measurements of the C 1s core level dispersion in graphene [Nat. Phys. 6, 345 (2010)], we explore the interplay between the elastic scattering of photoelectr…
Dramatic effective mass reduction driven by strong electronic correlations
C. Monney, E. F. Schwier, M. G. Garnier +9
We present angle-resolved photoemission experiments on 1T-TiSe2 at temperatures ranging from 13K to 288K. The data evidence a dramatic renormalization of the conduction band below…
Temperature dependent photoemission on 1T-TiSe2: Interpretation within the exciton condensate phase model
C. Monney, E. F. Schwier, C. Battaglia +9
The charge density wave phase transition of 1T-TiSe2 is studied by angle-resolved photoemission over a wide temperature range. An important chemical potential shift which strongly…
Temperature dependence of the excitonic insulator phase model in 1T-TiSe2
C. Monney, H. Cercellier, F. Clerc +6
Recently, detailed calculations of the excitonic insulator phase model adapted to the case of 1\textit{T}-TiSe have been presented. Through the spectral function theoretical ph…
Non-uniform doping across the Fermi surface of NbS intercalates
C. Battaglia, H. Cercellier, L. Despont +6
Magnetic ordering of the first row transition metal intercalates of NbS due to coupling between the conduction electrons and the intercalated ions has been explained in terms o…
Remnant Fermi surface in the presence of an underlying instability in layered 1T-TaS_2
Th. Pillo, J. Hayoz, H. Berger +3
We report high resolution angle-scanned photoemission and Fermi surface (FS) mapping experiments on the layered transition-metal dichalcogenide 1T-TaS_2 in the quasi commensurate (…
Theoretical analysis of the electronic structure of the stable and metastable c(2x2) phases of Na on Al(001): Comparison with angle-resolved ultra-violet photoemission spectra
C. Stampfl, K. Kambe, R. Fasel +2
Using Kohn-Sham wave functions and their energy levels obtained by density-functional-theory total-energy calculations, the electronic structure of the two c(2x2) phases of Na on A…