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http://hdl.handle.net/1942/30645
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DC Field | Value | Language |
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dc.contributor.author | Weiss, Henning | - |
dc.contributor.author | Cheng, Hsiu-Wei | - |
dc.contributor.author | Mars, Julian | - |
dc.contributor.author | Li, Hailong | - |
dc.contributor.author | Merola, Claudia | - |
dc.contributor.author | RENNER, Frank | - |
dc.contributor.author | Honkimaki, Veijo | - |
dc.contributor.author | Valtiner, Markus | - |
dc.contributor.author | Mezger, Markus | - |
dc.date.accessioned | 2020-03-03T11:30:01Z | - |
dc.date.available | 2020-03-03T11:30:01Z | - |
dc.date.issued | 2019 | - |
dc.date.submitted | 2020-02-26T08:58:45Z | - |
dc.identifier.citation | LANGMUIR, 35 (51) , p. 16679 -16692 | - |
dc.identifier.issn | 0743-7463 | - |
dc.identifier.uri | http://hdl.handle.net/1942/30645 | - |
dc.description.abstract | The molecular-scale structure and dynamics of confined liquids has increasingly gained relevance for applications in nanotechnology. Thus, a detailed knowledge of the structure of confined liquids on molecular length scales is of great interest for fundamental and applied sciences. To study confined structures under dynamic conditions, we constructed an in situ X-ray surface forces apparatus (X-SFA). This novel device can create a precisely controlled slit-pore confinement down to dimensions on the 10 nm scale by using a cylinder-on-flat geometry for the first time. Complementary structural information can be obtained by simultaneous force measurements and X-ray scattering experiments. The in-plane structure of liquids parallel to the slit pore and density profiles perpendicular to the confining interfaces are studied by X-ray scattering and reflectivity. The normal load between the opposing interfaces can be modulated to study the structural dynamics of confined liquids. The confinement gap distance is tracked simultaneously with nanometer precision by analyzing optical interference fringes of equal chromatic order. Relaxation processes can be studied by driving the system out of equilibrium by shear stress or compression/decompression cycles of the slit pore. The capability of the new device is demonstrated on the liquid crystal 4'-octyl-4-cyano-biphenyl (8CB) in its smectic A (SmA) mesophase. Its molecular-scale structure and orientation confined in 100 nm to 1.7 mu m slit pores was studied under static and dynamic nonequilibrium conditions. | - |
dc.description.sponsorship | The authors acknowledge the help of Thomas Buslaps (ESRF) at beamline ID31, Marie Ruat (ESRF) for support on the CdTe MAXIPIX detector, and Michael Kappl (MPI-P) for AFM measurements and thank Harald Reichert (ESRF), Milena Lippmann (PETRA III), and Hans-Jürgen Butt (MPI-P) for helpful discussions. J.M. and M.M. acknowledge the MAINZ Graduate School of Excellence, funded through the Excellence Initiative (DFG/GSC 266). M.V. was supported by an ERC Starting Grant (no. 677663), and H.L., by the China Scholarship Council. | - |
dc.language.iso | en | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.rights | This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited. | - |
dc.title | Structure and Dynamics of Confined Liquids: Challenges and Perspectives for the X-ray Surface Forces Apparatus | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 16692 | - |
dc.identifier.issue | 51 | - |
dc.identifier.spage | 16679 | - |
dc.identifier.volume | 35 | - |
local.format.pages | 14 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | Mezger, M (reprint author), Max Planck Inst Polymer Res, Ackermannweg 10, D-55128 Mainz, Germany.; Valtiner, M (reprint author), Vienna Inst Technol, Inst Appl Phys, Wiedner Hauptstr 8-10-E134, A-1040 Vienna, Austria.; Mezger, M (reprint author), Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany.; Valtiner, M (reprint author), Max Planck Inst Eisenforsch GmbH, Max Planck Str 1, D-40237 Dusseldorf, Germany. | - |
dc.description.notes | valtiner@iap.tuwien.ac.at; mezger@mpip-mainz.mpg.de | - |
dc.description.other | Mezger, M (reprint author), Max Planck Inst Polymer Res, Ackermannweg 10, D-55128 Mainz, Germany, Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany. Valtiner, M (reprint author), Vienna Inst Technol, Inst Appl Phys, Wiedner Hauptstr 8-10-E134, A-1040 Vienna, Austria, Max Planck Inst Eisenforsch GmbH, Max Planck Str 1, D-40237 Dusseldorf, German | - |
local.publisher.place | 1155 16TH ST, NW, WASHINGTON, DC 20036 USA | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.source.type | Article | - |
dc.identifier.doi | 10.1021/acs.langmuir.9b01215 | - |
dc.identifier.pmid | 31614087 | - |
dc.identifier.isi | WOS:000505633700001 | - |
dc.contributor.orcid | Mezger, Markus/0000-0001-9049-6983 | - |
dc.identifier.eissn | - | |
local.provider.type | wosris | - |
local.uhasselt.uhpub | yes | - |
item.fullcitation | Weiss, Henning; Cheng, Hsiu-Wei; Mars, Julian; Li, Hailong; Merola, Claudia; RENNER, Frank; Honkimaki, Veijo; Valtiner, Markus & Mezger, Markus (2019) Structure and Dynamics of Confined Liquids: Challenges and Perspectives for the X-ray Surface Forces Apparatus. In: LANGMUIR, 35 (51) , p. 16679 -16692. | - |
item.fulltext | With Fulltext | - |
item.contributor | Weiss, Henning | - |
item.contributor | Cheng, Hsiu-Wei | - |
item.contributor | Mars, Julian | - |
item.contributor | Li, Hailong | - |
item.contributor | Merola, Claudia | - |
item.contributor | RENNER, Frank | - |
item.contributor | Honkimaki, Veijo | - |
item.contributor | Valtiner, Markus | - |
item.contributor | Mezger, Markus | - |
item.accessRights | Open Access | - |
crisitem.journal.issn | 0743-7463 | - |
crisitem.journal.eissn | 1520-5827 | - |
Appears in Collections: | Research publications |
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File | Description | Size | Format | |
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hennig.pdf | Published version | 11.01 MB | Adobe PDF | View/Open |
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