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Science 12 March 1999:
Vol. 283. no. 5408, pp. 1709 - 1711
DOI: 10.1126/science.283.5408.1709
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Reports
Quantum-Well States as Fabry-Pérot Modes in a Thin-Film Electron Interferometer
J. J. Paggel,
T. Miller,
T.-C. Chiang
*
Angle-resolved photoemission from atomically uniform silver films
on iron (100) shows quantum-well states for absolutely determined film
thicknesses ranging from 1 to ~100 monolayers. These states can be
understood in terms of Fabry-Pérot modes in an electron interferometer. A quantitative line shape analysis over the entire two
orders of magnitude of thickness range yields an accurate measurement
of the band structure, quasiparticle lifetime, electron reflectivity,
and phase shift. Effects of confinement energy gap, reflection loss,
and surface scattering caused by controlled roughness are demonstrated.
Department of Physics, University of Illinois, 1110 West Green
Street, Urbana, IL 61801, USA, and Frederick Seitz Materials Research
Laboratory, University of Illinois, 104 South Goodwin Avenue, Urbana,
IL 61801, USA.
*
To whom correspondence should be addressed. E-mail:
t-chiang{at}uiuc.edu
Read the Full Text
THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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104, 9204-9208
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- Coherent Electronic Fringe Structure in Incommensurate Silver-Silicon Quantum Wells.
- N. J. Speer, S.-J. Tang, T. Miller, and T.-C. Chiang (2006)
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314, 804-806
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- Superconductivity Modulated by Quantum Size Effects.
- Y. Guo, Y.-F. Zhang, X.-Y. Bao, T.-Z. Han, Z. Tang, L.-X. Zhang, W.-G. Zhu, E. G. Wang, Q. Niu, Z. Q. Qiu, et al. (2004)
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306, 1915-1917
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