Transition from Disorder to Order in Thin Metallic Films Studied with Angle-Resolved Photoelectron Spectroscopy

Dah-An Luh, Cheng-Maw Cheng, Chi-Ting Tsai, Ku-Ding Tsuei, and Jian-Ming Tang
Phys. Rev. Lett. 100, 027603 – Published 16 January 2008

Abstract

The transition from disorder to order in Ag film grown on Au(111) was investigated by monitoring the quantum well states using angle-resolved photoelectron spectroscopy. Our results show that the binding energies do not alter, but the in-plane dispersion alters from flat to parabolic when the film is annealed. We suggest that there are isolated and ordered patches scattered across the film at an early stage of the transition and that atoms inside the patches are fully ordered along the surface normal. These ordered patches grow and merge together as the annealing temperature increases.

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  • Received 14 October 2007

DOI:https://doi.org/10.1103/PhysRevLett.100.027603

©2008 American Physical Society

Authors & Affiliations

Dah-An Luh1,2,*, Cheng-Maw Cheng2, Chi-Ting Tsai1, Ku-Ding Tsuei2,3, and Jian-Ming Tang4

  • 1Department of Physics, National Central University, Taoyuan 32001, Taiwan
  • 2National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
  • 3Department of Physics, National Tsing Hua University, Hsinchu 30013, Taiwan
  • 4Department of Physics, University of New Hampshire, Durham, New Hampshire 03824, USA

  • *luh.dah.an@gmail.com

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Vol. 100, Iss. 2 — 18 January 2008

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