نتایج جستجو برای: broadening width

تعداد نتایج: 76735  

Journal: :Superconductor Science and Technology 2021

Critical temperature, $T_c$, and the transition width, $\Delta$$T_c$, are two primary parameters of superconducting transition. The latter parameter reflects state disturbance originating from thermodynamic fluctuations, atomic disorder, applied magnetic field, presence secondary crystalline phases, pressure, etc. Recently, Hirsch Marsiglio (2020 arXiv:2012.12796) performed an analysis width in...

1999
Jan Genzer Russell J. Composto

The superb depth resolution of low-energy forward recoil spectrometry, (LE-FRES), is demonstrated by measuring the interfacial profile between 1,4-polybutadiene (PB), and deuterated polystyrene (dPS), at 1758C. To enhance depth resolution, the top dPS layer is ‘thinned’ by ion sputtering, prior to LE-FRES analysis, to achieve a resolution of 13 nm at the interface. An interfacial width of 6.0 ^...

Journal: :AJNR. American journal of neuroradiology 1990
K R Thulborn A G Sorensen N W Kowall A McKee A Lai R C McKinstry J Moore B R Rosen T J Brady

A rat model of cerebral hemorrhage using stereotaxic injection of blood into the right basal ganglia was developed to investigate the influence of iron metabolism on the appearance of cerebral hemorrhage on MR images. Images of in vitro fixed brain sections stained specifically for different iron-storage substances, ferritin and hemosiderin, created by digitization of the pathology sections usi...

2006
Hariharan Subramanian Prabhakar Pradhan Young L. Kim Yang Liu Vadim Backman

Interference effects caused due to the coherent waves traveling in time reversed paths produces an enhanced backscattering (EBS) cone, which is known to be inversely proportional to the transport mean free path length (ls) of a scattering media. In biological media, ls (0.5-2mm) >> wavelength λ, results in an extremely small (~0.001) angular width of the EBS cone making the experimental observa...

Journal: :Journal of Physical Chemistry C 2021

We study the molecular-level properties of single-crystal ice Ih surface using interface-specific sum frequency generation spectroscopy. probe water vibrational bend region around 1650 cm–1 basal plane hexagonal to understand interfacial structure from properties. As opposed stretch mode ice, bending response depends very weakly on temperature. The large line width response, relative water, is ...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2009
María Luisa Cordero Emilie Verneuil François Gallaire Charles N Baroud

The temperature increase of a thin water layer is investigated, both experimentally and numerically, when the layer is heated by an infrared laser. The laser is focused to a waist of 5.3 microm inside a 28 microm gap that contains fluorescent aqueous solutions between two glass slides. Temperature fields are measured using the temperature sensitivity of rhodamine-B, while correcting for thermal...

Journal: :Analytical chemistry 2000
B M Paegel L D Hutt P C Simpson R A Mathies

Turns in microfabricated capillary electrophoresis channels generally result in degraded separation quality. To circumvent this limitation, channels were constructed with different types of turns to determine the design that minimizes turn-induced band broadening. In particular, tapered turns were created by narrowing the separation channel width before the start of a turn and widening the chan...

Journal: :ACS nano 2011
Sunmin Ryu Janina Maultzsch Melinda Y Han Philip Kim Louis E Brus

Nanometer-scale graphene objects are attracting much research interest because of newly emerging properties originating from quantum confinement effects. We present Raman spectroscopy studies of graphene nanoribbons (GNRs), which are known to have nonzero electronic bandgap. GNRs of width ranging from 15 to 100 nm have been prepared by e-beam lithographic patterning of mechanically exfoliated g...

Journal: :Modern Physics Letters A 2022

In this work, we investigate the elastic [Formula: see text] scattering for channel dominated by resonance at finite baryon density symmetric nuclear matter, employing effective Lagrangian approach tree-level Born approximation. The quark-meson coupling (QMC) model is employed to describe medium modifications in-medium properties that are constructed quark level, such as nucleon and masses, ful...

Journal: :Nature Astronomy 2019

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