Metal to insulator transition in epitaxial graphene induced by molecular doping (2008)
Zhou, S. Y., Siegel, D. A., Fedorov, A. V., Lanzara, A.
The capability to control the type and amount of charge carriers in a material and, in the extreme case, the transition from metal to insulator is one of the key challenges of modern electronics. By...
Substrate-induced band gap opening in epitaxial graphene (2008)
Zhou, S.Y., Fedorov, A.V., First, P.N., De Heer, W.A., ...
Graphene has shown great application potential as the host material for next-generation electronic devices. However, despite its intriguing properties, one of the biggest hurdles for graphene to be...
Bilayer splitting and c-axis coupling in CMR bilayer manganites (2008)
Jozwiak, C., Graf, J., Zhou, S. Y., Bostwick, A., Rotenberg, E., Zheng, H., ...
By performing angle-resolved photoemission spectroscopy of the bilayer colossal magnetoresistive (CMR) manganite, $La_{2-2x}Sr_{1+2x}Mn_{2}O_{7}$, we provide the first complete mapping of the Fermi...
Origin of the energy bandgap in epitaxial graphene (2008)
Zhou, S. Y., Siegel, D. A., Fedorov, A. V., Gabaly, F. El, Schmid, A. K., Neto, A. H. Castro, ...
We studied the effect of quantum confinement on the size of the band gap in single layer epitaxial graphene. Samples with different graphene terrace sizes are studied by using low energy electron...
Departure from the conical dispersion in epitaxial graphene (2008)
Zhou, S. Y., Siegel, D. A., Fedorov, A. V., Lanzara, A.
The pi bands of epitaxially grown graphene are studied by using high resolution angle resolved photoemission spectroscopy. Clear deviations from the conical dispersion expected for massless Dirac...
Probing the Band Structure of LaTe_2 Using Angle Resolved Photoemission Spectroscopy (2007)
Garcia, D. R., Zhou, S. Y., Jung, M. H., Kwon, Y. S., Lanzara, A.
With the current interest in the rare-earth tellurides as high temperature charge density wave materials, a greater understanding of the physics of these systems is needed, particularly in the case...
Garcia, D. R., Zhou, S. Y., Graf, J., Jozwiak, C. M., Jung, M. H., ...
We present the first direct study of charge density wave (CDW) formation in quasi-2D single layer LaTe_2 using high-resolution angle resolved photoemission spectroscopy (ARPES) and low energy...
Graf, J., McElroy, K., Zhou, S.Y., Jozwiak, C., Rotenberg, E., ...
A universal high energy anomaly in the single particle spectral function is reported in three different families of high temperature superconductors by using angle-resolved photoemission...
Garcia, D.R., Zhou, S.Y., Graf, J., Jozwiak, C.M., Jung, M.H., ...
We present the first direct study of charge density wave (CDW) formation in quasi-2D single layer LaTe2 using high-resolution angle resolved photoemission spectroscopy (ARPES) and low energy electron...
First direct observation of Dirac fermions in graphite (2006)
Zhou, S. Y., Graf, J., Fedorov, A. V., Spataru, C. D., Diehl, R. D., ...
Originating from relativistic quantum field theory, Dirac fermions have been recently applied to study various peculiar phenomena in condensed matter physics, including the novel quantum Hall effect...
An unusual isotope effect in a high-transition-temperature superconductor (2004)
Sasagawa, T., Zhou, S.Y., Graf, J., Takagi, H., ...
In conventional superconductors, the electron pairing that allows superconductivity is caused by exchange of virtual phonons, which are quanta of lattice vibration. For high-transition-temperature...
Li, C., Fleisher, David, Li, L., Schwier, J. R., Sweetana, S. A., Vasudevan, V., ...
Low oral bioavailability and a negative meal effect on drug plasma levels motivated studies on formulation and meal composition effects on the absorption of LY303366, a poorly water-soluble,...