نتایج جستجو برای: single walled boron nitride nanotubes

تعداد نتایج: 923923  

2014
Kamal B. Dhungana Ranjit Pati

With the end of Moore's law in sight, researchers are in search of an alternative approach to manipulate information. Spintronics or spin-based electronics, which uses the spin state of electrons to store, process and communicate information, offers exciting opportunities to sustain the current growth in the information industry. For example, the discovery of the giant magneto resistance (GMR) ...

Journal: :Jurnal teknologi 2022

In this report, a density functional theory (DFT) computational approach was used to investigate the structural and electronic properties of molecular hydrogens adsorbed on single-walled boron nitride nanotubes (BNNTs) with/without doped by group IV elements, such as carbon (C), silicon (Si), germanium (Ge) atom. The twelve hydrogen molecules (H2) were added outer surfaces BNNT frameworks. Geom...

Journal: :Molecules 2016
Chee Huei Lee Shiva Bhandari Bishnu Tiwari Nazmiye Yapici Dongyan Zhang Yoke Khin Yap

A comprehensive overview of current research progress on boron nitride nanotubes (BNNTs) is presented in this article. Particularly, recent advancements in controlled synthesis and large-scale production of BNNTs will first be summarized. While recent success in mass production of BNNTs has opened up new opportunities to implement the appealing properties in various applications, concerns about...

2013
Ryo Nakanishi Ryo Kitaura Jamie H. Warner Yuta Yamamoto Shigeo Arai Yasumitsu Miyata Hisanori Shinohara

We report a high yield synthesis of single-wall boron nitride nanotubes (SWBNNTs) inside single-wall carbon nanotubes (SWCNTs), a nano-templated reaction, using ammonia borane complexes (ABC) as a precursor. Transmission electron microscope (TEM), high angle annular dark field (HAADF)-scanning TEM (STEM), electron energy loss spectra (EELS) and high resolution EELS mapping using aberration-corr...

Journal: :Nanoscale 2010
Jiesheng Wang Chee Huei Lee Yoke Khin Yap

This article provides a concise review of the recent research advancements in boron nitride nanotubes (BNNTs) with a comprehensive list of references. As the motivation of the field, we first summarize some of the attractive properties and potential applications of BNNTs. Then, latest discoveries on the properties, applications, and synthesis of BNNTs are discussed. In particular, we focus on l...

2008
Gianni Ciofani Vittoria Raffa Arianna Menciassi Alfred Cuschieri

Boron neutron capture therapy (BNCT) is increasingly being used in the treatment of several aggressive cancers, including cerebral glioblastoma multiforme. The main requirement for this therapy is selective targeting of tumor cells by sufficient quantities of (10)B atoms required for their capture/irradiation with low-energy thermal neutrons. The low content of boron targeting species in gliobl...

Journal: :Physical review letters 2008
Boyang Wang Petr Král

We show by molecular dynamics simulations that ions intercalated in carbon and boron-nitride nanotubes can be solvated at distance in polarizable nanodroplets adsorbed on their surfaces. When the ions are driven in the nanotubes by electric fields, the adsorbed droplets are dragged together with them. We illustrate this phenomenon by dragging assemblies of 20-10,000 water molecules by individua...

Journal: :International Journal of Advanced Trends in Computer Science and Engineering 2020

2000
K. TSUKAGOSHI B. W. ALPHENAAR

We present transport measurements of ferromagnetically contacted carbon nanotubes. In both singleand multi-walled nanotube devices, a spin valve effect is observed due to spin-polarized transport. In one single-walled nanotube device, the spin-valve effect is suppressed as the influence of Coulomb charging is observed at around 10 K. To help understand the interplay between the Coulomb charging...

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