Results 211 to 220 of about 3,258,064 (367)

Hybrid Nanoparticles Separated by Buoyant Density in a Large‐Scale Centrifugal Process

open access: yesJournal of Polymer Science, EarlyView.
Zonal rotors, shaped like hollow bowls, can sort mixtures of macromolecules and polymer nanoparticles based only on their densities, regardless of their actual sizes or shapes. Using these rotors can make a big difference because they do not need to use centrifuge tubes.
Claudia Simone Plüisch   +2 more
wiley   +1 more source

Uniaxial Molecular Alignment in Thin Films Composed of Discrete NDI‐T2 Oligomers Investigated by Variable‐Angle Spectroscopic and Imaging Ellipsometry

open access: yesphysica status solidi (b), EarlyView.
Uniaxially anisotropic optical models are used to analyze spectroscopic ellipsometry data of thin films of discrete oligomers consisting of alternating units of naphthalene diimide (NDI) and bithiophene (T2). They point to a possible preferred molecular orientation parallel to the substrate surface in thermally crystallized films.
Alexander Ehm   +4 more
wiley   +1 more source

Comparative Study of the Optical Properties of α‐, β‐, and κ‐Ga2O3

open access: yesphysica status solidi (b), EarlyView.
The optical properties of the α‐, β‐, and κ‐Ga2O3 polymorphs are analyzed using UV–vis spectrophotometry and temperature‐dependent photoluminescence from 23 to 300 K. In this study, their different properties caused by varying structure while using comparative methods are highlighted.
Lewis T. Penman   +10 more
wiley   +1 more source

The Fermionic Massless Modular Hamiltonian. [PDF]

open access: yesCommun Math Phys
La Piana F, Morsella G.
europepmc   +1 more source

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