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Preroughening and Reentrant Layering Transitions on Triangular Lattice Substrates

Weichman, Peter B. and Day, Peter and Goodstein, David (1995) Preroughening and Reentrant Layering Transitions on Triangular Lattice Substrates. Physical Review Letters, 74 (3). pp. 418-421. ISSN 0031-9007. doi:10.1103/PhysRevLett.74.418.

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Recent ellipsometric and calorimetric studies of argon and krypton adsorbed on triangular lattice graphite substrates have found a novel sequence of apparent reentrant layering transitions between integer-plus-one-half coverages. Related behavior has been demonstrated in a Monte Carlo study by Phillips, Zhang, and Larese. In contrast to arguments made by these authors, however, we use solid-on-solid models that include a substrate potential to demonstrate that this behavior should be expected to arise out of the physics that produces roughening and preroughening of a bulk crystal surface, which then provides a unified picture of both the experiments and the simulation results.

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Additional Information:©1995 The American Physical Society. Received 14 February 1994. This research was supported by the NSF under Grant No. DMR-9308205, the DOE under Grant No. DE-FG03-85ER45192, and the Sloan Foundation (through a Fellowship to P.B.W.). See Also: Comment: J. M. Phillips and J. Z. Larese, Comment on "Preroughening and Reentrant Layering Transitions on Triangular Lattice Substrates", Phys. Rev. Lett. 75, 4330 (1995); Reply: P. B. Weichman and D. Goodstein, Weichman and Goodstein Reply, Phys. Rev. Lett. 75, 4331 (1995).
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Department of Energy (DOE)DE-FG03-85ER45192
Alfred P. Sloan FoundationUNSPECIFIED
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Deposited On:06 Jun 2008
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