V. Brouet

ARPES Study of the Evolution of Band Structure and Charge Density Wave Properties in RTe3 for R = Y, La, Ce, Sm, Gd, Tb and Dy (2008)

Brouet, V., Yang, W. L., Zhou, X. J., Hussain, Z., Moore, R. G., He, R., ...

We present a detailed ARPES investigation of the RTe3 family, which sets this system as an ideal "textbook" example for the formation of a nesting driven Charge Density Wave (CDW). This family indeed...

Direct observation of strong correlations near the band insulator regime of Bi misfit cobaltates (2007)

Brouet, V., Nicolaou, A., Zacchigna, M., Tejeda, A., Patthey, L., Hebert, S., ...

We present the first angle-resolved photoemission (ARPES) measurement of Fermi Surface in the "misfit" cobaltate [Bi2Ba2O4].[CoO2]~2. This compound contains the same triangular Co planes as Na...

Orientation-dependent C60 electronic structures revealed by photoemission (2004)

Brouet, V., Yang, W. L., Zhou, X. J., Choi, H. J., Louie, S. G., Cohen, M. L., ...

We observe, with angle-resolved photoemission, a dramatic change in the electronic structure of two C60 monolayers, deposited respectively on Ag (111) and (100) substrates, and similarly doped with...

Space Charge Effect and Mirror Charge Effect in Photoemission Spectroscopy (2004)

Zhou, X. J., Wannberg, B., Yang, W. L., Brouet, V., Sun, Z., Douglas, J. F., ...

We report the observation and systematic investigation of the space charge effect and mirror charge effect in photoemission spectroscopy. When pulsed light is incident on a sample, the photoemitted...

Space charge effect and mirror charge effect in photoemission spectroscopy (2004)

Zhou, X.J., Wannberg, B., Yang, W.L., Brouet, V., Sun, S., Douglas, J.F., ...

We report the observation and systematic investigation of the space charge effect and mirror charge effect in photoemission spectroscopy. When pulsed light is incident on a sample, the photoemitted...

Multiple Bosonic Mode Coupling in Electron Self-Energy of (La_2-xSr_x)CuO_4 (2004)

Zhou, X. J., Shi, Junren, Yoshida, T., Cuk, T., Yang, W. L., Brouet, V., ...

High resolution angle-resolved photoemission spectroscopy data along the (0,0)-($\pi$,$\pi$) nodal direction with significantly improved statistics reveal fine structure in the electron self-energy...

Fermi Surface reconstruction in the CDW state of CeTe3 observed by photoemission (2004)

Brouet, V., Yang, W. L., Zhou, X. J., Hussain, Z., Ru, N., Shin, K. Y., ...

CeTe3 is a layered compound where an incommensurate Charge Density Wave (CDW) opens a large gap (400 meV) in optimally nested regions of the Fermi Surface (FS), whereas other sections with poorer...

The Dichotomy between Nodal and Antinodal Quasiparticles in Underdoped (La$_{2-x}$Sr$_x$)CuO$_4$ Superconductors (2004)

Zhou, X. J., Yoshida, T., Lee, D. -H., Yang, W. L., Brouet, V., Zhou, F., ...

High resolution angle-resolved photoemission measurements on underdoped (La$_{2-x}$Sr$_x$)CuO$_4$ system show that, at energies below 70 meV, the quasiparticle peak is well defined around the...

Oxygen doped S = 1/2 Cu delafossites: a muon spin rotation/relaxation study (2004)

Mendels, P, Bono, D, Bert, F, Garlea, O, Darie, C, Bordet, P, ...

Direct extraction of the Eliashberg function for electron-phonon coupling: A case study of Be(1010) (2003)

Shi, Junren, Tang, S. -J, Wu, Biao, Sprunger, P. T., Yang, W. L., Brouet, V., ...

We propose a systematic procedure to directly extract the Eliashberg function for electron-phonon coupling from high-resolution angle-resolved photoemission data. The procedure is successfully...

Coexistence of spin-singlets and metallic behavior in simple cubic CsC60 (2002)

Brouet, V., Alloul, H., Forro, L.

We present a detailed NMR study of simple cubic CsC60, the only metallic cubic fullerides known so far besides A3C60. 133Cs NMR signals the presence of about 12 to 15% of ``anomalous'' C60 balls,...

Gaps and excitations in fullerides with partially filled bands : NMR study of Na2C60 and K4C60 (2002)

Brouet, V., Alloul, H., Garaj, S., Forro, L.

We present an NMR study of Na2C60 and K4C60, two compounds that are related by electron-hole symmetry in the C60 triply degenerate conduction band. In both systems, it is known that NMR spin-lattice...

Persistence of molecular excitations in metallic fullerides and their role in a possible metal to insulator transition at high temperatures (2002)

Brouet, V., Alloul, H., Garaj, S., Forro, L.

We present 13C NMR spin-lattice relaxation measurements (1/T1) in Na2CsC60 and Rb3C60 from 10 to 700K. The large temperature range of this measurement allow to define unambiguously an increase of...

Role of dynamic Jahn-Teller distortions in Na2C60 and Na2CsC60 studied by NMR (2000)

Brouet, V., Alloul, H., Le, T. N., Garaj, S., Forro, L.

Through 13C NMR spin lattice relaxation (T1) measurements in cubic Na2C60, we detect a gap in its electronic excitations, similar to that observed in tetragonal A4C60. This establishes that...

Detection by NMR of a "local spin-gap" in quenched CsC60 (1999)

Brouet, V., Alloul, H., Quere, F., Baumgartner, G., Forro, L.

We present a 13C and 133Cs NMR investigation of the CsC60 cubic quenched phase. Previous ESR measurements suggest that this phase is metallic, but NMR reveals contrasting electronic behavior on the...