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Mugarza, A. and Mascaraque Susunaga, Arantzazu and Perez Dieste, V. and Repain, V and Rousse, S. and Abajo, F. J. García and Ortega, J. E. (2001) Electron confinement in surface states on a stepped gold surface revealed by angle-resolved photoemission. Physical review letters, 87 (10). ISSN 0031-9007
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.87.107601
Abstract
STM images show that vicinal Au(788) surfaces are made up or a uniform array of (111)-oriented terraces of similar width (similar to3.8 nm). This uniformity makes it possible to study the electronic Structure of the resulting step superlattice by angle-resolved photoemission. We show that for this terrace array the surface state appears to be broken up into one-dimensional quantum-well levels, indicating total electron confinement within the terraces. The angular resolution allows the probability density of the terrace quantum well state to be mapped in reciprocal space, complementing nicely the wave function measured in real space by STM.
Item Type: | Article |
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Additional Information: | © 2001 The American Physical Society. |
Uncontrolled Keywords: | Temperature; Au(111); Cu(111); Arrays; Spin |
Subjects: | Sciences > Physics > Materials |
ID Code: | 28441 |
Deposited On: | 19 Feb 2015 09:24 |
Last Modified: | 18 Mar 2015 09:31 |
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