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▪ Abstract Beam-based positron annihilation spectroscopy (PAS) is a powerful porosimetry technique with broad applicability in the characterization of nanoporous thin films, especially insulators.… (More)
- Lin Zhang, Yixin Xu, +5 authors Zhongxin Zhao
- Neurological research
- 2016
OBJECTIVE
This study aimed to investigate the influence of low-intensity pure tone auditory stimulation on patients with rapid eye movement (REM), sleep behavior disorder (RBD), and attempt to… (More)
- David W. Gidley, Hua Gen Peng, +6 authors Mikhail R. Baklanov
- 2007
As-made and calcined forms of large-pore (5.3 nm) mesostructured silica with a wormhole framework structure, denoted MSU-J, have been used to form rubbery epoxy mesocomposites containing 1.0−12%… (More)
Relaxation and chain dynamics of polymer nanostructures after release of spatial confinement were studied using line gratings as small as 33 nm on polystyrene surface fabricated by nanoimprint… (More)
- Ludmil Zambov, Ken Weidner, +7 authors Richard S. Vallery
- 2006
Plasma-enhanced chemical vapor deposition (PECVD) processes have been developed to produce prototype barrier coatings for protection from detrimental gases. The strategy used is based on a… (More)
- Hua Gen Peng, Richard S. Vallery, +5 authors Jong Min Kim
- 2005
Adjusting the functional group of a porogen is found to have a tremendous effect on the pore structre of porous low dielectric constant films with silsesquioxane as the matrix precursor. The pore… (More)
Porous low-dielectric constant (low-κ) SiCOH thin films deposited using a plasma-enhanced chemical-vapor deposition have been comprehensively characterized before and after exposure to a… (More)
- Hua Gen Peng, Richard S. Vallery, +5 authors Jong Min Kim
- 2005
Templating is one of the most popular methods for generating nanocomposite and nanoporous films and the resultant pore size and pore interconnection length depend strongly on porogen… (More)
Positronium annihilation lifetime spectroscopy (PALS) using a positron beam is a proven technique to characterize porosity in amorphous thin film materials. The capability to control the depth of the… (More)