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Tonica (Tony) Valla

 

Physicist, Electron Spectroscopy

 

Condensed Matter Physics & Materials Science Dept. - Bldg. 734

Brookhaven National Laboratory

734 Brookhaven Avenue

P.O. Box 5000

Upton, NY 11973-5000

 

Tel: (631) 344-3530/5701

Fax: (631) 344-2739

email: valla@bnl.gov

 

Tony Valla

 

 

Recent Publications

 

Persistent coherence and spin polarization of topological surface states on topological insulators, Z.-H. Pan, E. Vescovo, A. V. Fedorov, G. D. Gu, and T. Valla, Phys. Rev. B 88, 041101(R) (2013). PDF

 

Measurement of an exceptionally weak electron-phonon coupling on the surface of the topological insulator Bi2Se3 using angle-resolved photoemission spectroscopy, Z.-H. Pan, A.V. Fedorov, D. Gardner, Y. S. Lee, S. Chu, and T. Valla, Phys. Rev. Lett. 108 187001 (2012). PDF

 

Photoemission spectroscopy of magnetic and nonmagnetic impurities on the surface of the Bi2Se3 topological insulator, T. Valla, Z.-H. Pan, D. Gardner, Y. S. Lee, and S. Chu, Phys. Rev. Lett. 108, 117601 (2012). PDF

 

Electronic structure of the topological insulator Bi2Se3 using angle-resolved photoemission spectroscopy: Evidence for a nearly full surface spin polarization, Z.-H. Pan, E. Vescovo, A. V. Fedorov, D. Gardner, Y. S. Lee, S. Chu, G. D. Gu, and T. Valla, Phys. Rev. Lett. 106, 257004 (2011). PDF

 

Anisotropic electron-phonon coupling and dynamical nesting on the graphene sheets in superconducting CaC6 using angle-resolved photoemission spectroscopy, T. Valla, J. Camacho, Z.-H. Pan, A. V. Fedorov, A. C. Walters, C. A. Howard, and M. Ellerby, Phys. Rev. Lett. 102, 107007 (2009). PDF

 

Other notable works

 

Ground state of the pseudogap in cuprate superconductors, T. Valla, A. V. Fedorov, Jinho Lee, J. C. Davis, and G. D. Gu, Science 314, 1914 (2006) PDF

 

Evidence for quantum critical behavior in the optimally-doped cuprate Bi2Sr2CaCu2O8+d, T. Valla, A. V. Fedorov, P. D. Johnson, B. O. Wells, S. L. Hulbert, Q. Li, G. D. Gu, and N. Koshizuka, Science 285, 2110 (1999) PDF

 

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Last update on: 20 Apr 2017.