Films of carbon tetrachloride (CCl 4
) confined in slit geometry between two flat diamond substrates down to a few tens of Angstroms are studied by combining X-ray reflectivity with in-plane and out-of-plane X-ray scattering. The confined films form a heterogeneous structure with coexisting regions of liquid and crystalline phases. The liquid phase shows short-range ordering normal to the surfaces of the substrates. The experiments directly show the ability of the confinement to induce crystal objects, which is a long-discussed issue in the... (More)
Films of carbon tetrachloride (CCl 4
) confined in slit geometry between two flat diamond substrates down to a few tens of Angstroms are studied by combining X-ray reflectivity with in-plane and out-of-plane X-ray scattering. The confined films form a heterogeneous structure with coexisting regions of liquid and crystalline phases. The liquid phase shows short-range ordering normal to the surfaces of the substrates. The experiments directly show the ability of the confinement to induce crystal objects, which is a long-discussed issue in the literature. The surface structure and morphology of the substrates may influence the actual realization of the crystalline phase in confinement.
@article{b7aca175-06c8-45f1-8345-5d56530fb7d0,
abstract = {{<p><br>
Films of carbon tetrachloride (CCl <br>
<sub>4</sub><br>
) confined in slit geometry between two flat diamond substrates down to a few tens of Angstroms are studied by combining X-ray reflectivity with in-plane and out-of-plane X-ray scattering. The confined films form a heterogeneous structure with coexisting regions of liquid and crystalline phases. The liquid phase shows short-range ordering normal to the surfaces of the substrates. The experiments directly show the ability of the confinement to induce crystal objects, which is a long-discussed issue in the literature. The surface structure and morphology of the substrates may influence the actual realization of the crystalline phase in confinement. <br>
</p>}},
author = {{Lippmann, Milena and Seeck, Oliver H. and Ehnes, Anita and Nygård, Kim and Bertram, Florian and Ciobanu, Anca}},
issn = {{1948-7185}},
language = {{eng}},
number = {{7}},
pages = {{1634--1638}},
publisher = {{The American Chemical Society (ACS)}},
series = {{Journal of Physical Chemistry Letters}},
title = {{Experimental Observation of Crystal-Liquid Coexistence in Slit-Confined Nonpolar Fluids}},
url = {{http://dx.doi.org/10.1021/acs.jpclett.9b00331}},
doi = {{10.1021/acs.jpclett.9b00331}},
volume = {{10}},
year = {{2019}},
}