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@ARTICLE{Melnichenko:171839,
author = {Melnichenko, Yuri B. and Lavrik, N. V. and Popov, E. and
Bahadur, J. and He, L. and Kravchenko, I. I. and Smith, G.
and Pipich, V. and Szekely, N. K.},
title = {{C}avitation on {D}eterministically {N}anostructured
{S}urfaces in {C}ontact with an {A}queous {P}hase: {A}
{S}mall-{A}ngle {N}eutron {S}cattering {S}tudy},
journal = {Langmuir},
volume = {30},
number = {33},
issn = {1520-5827},
address = {Washington, DC},
publisher = {ACS Publ.},
reportid = {FZJ-2014-05396},
pages = {9985 - 9990},
year = {2014},
abstract = {The structure of deterministically nanopatterned surfaces
created using a combination of electron beam lithography and
reactive ion etching was evaluated using small-angle neutron
scattering (SANS). Samples exhibit 2D neutron scattering
patterns that confirm the presence of ordered nanoscale
cavities consistent with the targeted morphologies as well
as with SEM data analysis. Comparison of SANS intensities
obtained from samples in air and in contact with an aqueous
phase (pure deuterium oxide, D2O, or a contrast matched
mixture of D2O + H2O) reveals formation of stable gaseous
nanobubbles trapped inside the cavities. The relative volume
of nanobubbles depends strongly on the hydrophobicity of the
cavity walls. In the case of hydrophobic surfaces,
nanobubbles occupy up to $87\%$ of the total cavity volume.
The results demonstrate the high degree of sensitivity of
SANS measurements for detecting and characterizing nano- and
mesoscale bubbles with the volume fraction as low as
∼10–6.},
cin = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
(München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1},
ddc = {670},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-1-20110106},
pnm = {54G - JCNS (POF2-54G24)},
pid = {G:(DE-HGF)POF2-54G24},
experiment = {EXP:(DE-MLZ)KWS2-20140101 / EXP:(DE-MLZ)KWS3-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000340993200014},
doi = {10.1021/la500963q},
url = {https://juser.fz-juelich.de/record/171839},
}