نتایج جستجو برای: ultrathin

تعداد نتایج: 7925  

Journal: :Journal of Chromatographic Science 2002

Journal: :Circulation: Cardiovascular Interventions 2018

Journal: :Progress In Electromagnetics Research 2011

Journal: :Nature Photonics 2017

Journal: :Nature Communications 2014

2016
Woo Seong Chung Seung Mo Yang Tae Whan Kim Jin Pyo Hong

Ferromagnetic/noble metal multilayer (ML) frames are expected to serve as reliable building blocks in a variety of perpendicular magnetic anisotropy (PMA) based spintronic devices. However, ultrathin ML matrices are highly susceptible to unintended reduction of electron spin polarization in the as-grown or annealed states and often require a large repeat number. Here, we introduce a simple appr...

2012
Shinji Nishiwaki Hiroo Hatakeyama Masahide Iwashita Hiroshi Araki

Recent developments have made ultrathin endoscopes available for routine esophagogastroduodenoscopy and also for unsedated transnasal observation (Shaker, 1994). Transnasal endoscopy is known to be less of a burden for patients (more tolerable) than transoral endoscopy and has benefits including fewer effects on respiratory and cardiovascular status and reduced recovery time after the procedure...

Journal: :Chest 1996
R S Okhuysen F Bristow S Burkhead T Kolobow K P Lally

Conventional endotracheal tubes have high intrinsic resistive properties due to their high outer-to-inner diameter ratio. This has significant disadvantages in the treatment of the small neonatal or pediatric patient as work of breathing increases with decreasing internal radius. Diagnostic and therapeutic procedures, including suctioning, may be very difficult in patients with small endotrache...

Journal: :Tribology International 2021

Lubrication of steel using two-dimensional (2D)-materials has been a growing interest in recent years at the macro/microscale for wide range applications including lubricating 440 C-steel satellite and automotive components. This work takes new approach comparing tribological behavior ultrathin-graphite ultrathin-MoS2 varying humidity against custom-fabricated counter-surface friction force mic...

Journal: :Physical review letters 2014
Daniel O Sigle James T Hugall Sandrine Ithurria Benoit Dubertret Jeremy J Baumberg

The phonon modes of individual ultrathin CdSe nanoplatelets are investigated using surface-enhanced Raman scattering in a tightly confined plasmonic geometry. The surface-enhanced Raman scattering spectra, taken on single nanoplatelets sandwiched between a gold nanoparticle and a gold surface, reveal a phonon doublet arising from oscillations perpendicular to and within the platelet plane. The ...

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