Coexistence of (2×1) and c(4×2) phases on Ge(001)


Zandvliet, Harold J.W. and Gastel, Raoul van and Gurlu, Oguzhan and Poelsema, Bene (2004) Coexistence of (2×1) and c(4×2) phases on Ge(001). Physics Letters A, 326 (5-6). pp. 457-461. ISSN 0375-9601

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Abstract:We found that the c(4×2) to (2×1) phase transition on Ge(001) occurs via an intermediate temperature range where both phases coexist in a well-ordered, one-dimensional domain pattern. A simple model that takes into account collective dynamic buckling of the surface dimers, strain relaxation energy and domain wall formation energy is presented.
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Copyright:© 2004 Elsevier B.V.
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