KSIĄŻKI POWIĄZANE ZE SŁOWEM «XEROGÉL»
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1
Concise Encyclopedia of Composite Materials - Pagina 744
In addition, process conditions also play an important role in determining the mechanical properties. An order of magnitude change in modulus can be obtained by varying process conditions. 3. Integration of Porous Silica Xerogel Films The ...
2
Interlayer Dielectrics for Semiconductor Technologies - Pagina 305
diffusion into silica xerogel films. These films have been chosen as a prototypical material since the porosity and surface chemistry are easily controlled. 9.6.3.2.1 Current–time measurements All of the I–t curves, for xerogel or SiO2 samples, ...
Shyam P Muraka, Moshe Eizenberg, Ashok K Sinha, 2003
3
Low Dielectric Constant Materials for IC Applications - Pagina 264
C(ls) photoemission spectra obtained at normal incidence for xerogel (58% porosity) and Si02 films [10]. (a) Xerogel as-received; (b) xerogel and Si02 partially etched in CF4; (c) xerogel and Si02 partially etched in CHF3; (d) xerogel and SiO2 ...
Paul S. Ho, Jihperng Leu, Wei William Lee, 2003
4
Nanoscale and Microscale Phenomena: Fundamentals and ...
Depending on the drying methods used in synthesis, different kinds of organic gels (aerogel, cryogel, and xerogel) are produced. RF sol has been widely used as a precursor to synthesize carbon aerogels [8]; however, other precursors and ...
Yogesh M. Joshi, Sameer Khandekar, 2015
5
Nanostructured Materials and Nanotechnology - Pagina 69
Heterocondensation of the Si(OH)3 functional group of the complex shown in Structure XI with hydrolysis products of TMOS assures a covalent molecular doping of the resulting silica xerogel, as confirmed by IR spectroscopy and by the ...
6
Zeolites and Related Materials: Trends Targets and ... - Pagina 495
RAMAN spectroscopy The RAMAN spectra of both aerogel and xerogel show a band at 268 cm-1 assigned to the tetragonal ZrO2 phase [6], a band at 465 cm-1 attributed to the symmetric stretching mode of Ce-O-Ce and a band at 1011 cm-1 ...
Antoine Gedeon, Pascale Massiani, Florence Babonneau, 2008
7
Proceedings of the Second International Symposium on Low ...
XEROGEL Porous silica xerogel films have both ultra-low dielectric permittivity (k- 1.1 -2.0) required for interlayer dielectrics in high performance circuits, and excellent thermal stability which makes it compatible with high temperature via plug ...
8
Mesoporous Zeolites: Preparation, Characterization and ... - Pagina 169
[41] also developed a procedure for synthesizing h-TS-1 zeolite (Si/Ti=60–100) using SiO2–TiO2 xerogels instead of clear solutions. The SiO2–TiO2 xerogel was obtained by acid hydrolysis of the silicon and titanium alkoxides followed by ...
Javier GarcÃa-MartÃnez, Kunhao Li, 2015
9
In Vivo Glucose Sensing - Pagina 258
Figure 9.6 (A) Sensor tip and dimensions prior to modification with enzyme and xerogel pattern; (B) sensor after surface modification. Reprinted with permission from Ref. 44. Copyright 2005 Elsevier. moiety was created by exposure to high ...
David D. Cunningham, Julie A. Stenken, 2009
10
Carbon Materials for Catalysis - Pagina 389
area of the carbon xerogel significantly increased the metal dispersion, favoring methanol electrooxidation. Another carbon xerogel was used as support for Pt and Pt–Ni catalysts used in methanol electrooxidation in an alkaline medium [87].
Philippe Serp, José Luis Figueiredo, 2009
