About: Combined SANS and SAXS study of the action of ultrasound on the structure of amorphous zirconia gels

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About: Combined SANS and SAXS study of the action of ultrasound on the structure of amorphous zirconia gels Goto Sponge Distinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In the present work, we have studied for the first time the combined effect of both sonication and precipitation pH on the structure of amorphous zirconia gels synthesized from zirconium(IV) propoxide. The techniques of small-angle neutron and X-ray scattering (SANS and SAXS) and low temperature nitrogen adsorption provided the integral data on the changes in the microstructure and mesostructure of these materials caused by ultrasonic (US) treatment. Amorphous ZrO2xH2O synthesized under ultrasonic treatment was found to possess a very structured surface, characterized by the surface fractal dimension 2.9–3.0, compared to 2.3–2.5 for the non US-assisted synthesis, and it was also found to possess a higher specific surface area, while the sizes of the primary particles remain unchanged. In the present work, we have studied for the first time the combined effect of both sonication and precipitation pH on the structure of amorphous zirconia gels synthesized from zirconium(IV) propoxide. The techniques of small-angle neutron and X-ray scattering (SANS and SAXS) and low temperature nitrogen adsorption provided the integral data on the changes in the microstructure and mesostructure of these materials caused by ultrasonic (US) treatment. Amorphous ZrO2xH2O synthesized under ultrasonic treatment was found to possess a very structured surface, characterized by the surface fractal dimension 2.9–3.0, compared to 2.3–2.5 for the non US-assisted synthesis, and it was also found to possess a higher specific surface area, while the sizes of the primary particles remain unchanged. (en)
Title	Combined SANS and SAXS study of the action of ultrasound on the structure of amorphous zirconia gels Combined SANS and SAXS study of the action of ultrasound on the structure of amorphous zirconia gels (en)
skos:prefLabel	Combined SANS and SAXS study of the action of ultrasound on the structure of amorphous zirconia gels Combined SANS and SAXS study of the action of ultrasound on the structure of amorphous zirconia gels (en)
skos:notation	RIV/61389013:_____/15:00439965!RIV15-GA0-61389013
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP208/10/1600)
http://linked.open...iv/cisloPeriodika	May
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Angelov, Borislav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	73
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/15:00439965
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	zirconia; ultrasonication; fractals (en)
http://linked.open.../riv/klicoveSlovo	fractals ultrasonication zirconia
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[71BE0D951838]
http://linked.open...i/riv/nazevZdroje	Ultrasonics Sonochemistry
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Polymeric particles and nanostructured materials stabilized by surface active molecules
http://linked.open...UplatneniVysledku	2015
http://linked.open...v/svazekPeriodika	24
http://linked.open...iv/tvurceVysledku	Angelov, Borislav Rosta, L. Baranchikov, A. Y. Gubanova, N. N. Ivanov, V. K. Kopitsa, G. P. Almásy, L. Yapryntsev, A. D.
http://linked.open...ain/vavai/riv/wos	000349726500030
issn	1350-4177
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.ultsonch.2014.11.012

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