Studies of surface-induced layer-by-layer two-stage phase transformations

A. J. Jin, C. C. Huang, C. F. Chou, C. Y. Chao, J. T. Ho

Research output: Contribution to journalArticlepeer-review


Utilizing our high-resolution ac calorimeter, optical reflectivity, and electron diffraction, we have found a few very interesting phenomena associated with the free-standing films of the N-(4-n-butyloxybenzylidene)-4-n-octylaniline (4O.8) compound. Upon cooling from the smectic-A phase, the outer surface layers display a distinct hexatic-B order and subsequently transforms into crystal-B phase through a two-stage transformation. Each stage is found to be first order. The film exhibits a layer-by-layer ordering transitions developed from the film/vapor interface inwardly.

Original languageEnglish (US)
Pages (from-to)765-770
Number of pages6
JournalModern Physics Letters B
Issue number16
StatePublished - Jul 10 1996


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