نتایج جستجو برای: polymer insulator

تعداد نتایج: 110173  

2008
E. J. Faber M. Albers L. C. P. M. de Smet W. Olthuis H. Zuilhof E. J. R. Sudhölter P. Bergveld A. van den Berg Wouter Olthuis

A Field-Effect Transistor (FET) is presented that combines the conventional lay-out of the silicon substrate (channel and source and drain connections) with a Si-C linked organic gate insulator contacted via an organic, conducting polymer. It is shown that this hybrid device combines the excellent electrical behavior of the silicon substrate and the ease of use and good properties of organic in...

2006
Jiansheng Wu

The Anderson localization is introduced as well as the scaling theory of localization. These predict the absence of the metallic state in 1 and 2 dimensions. In such a theoretical background, the random dimmer model is shown to be novel due to its ability to escape from localization. This model is also shown to be applicable to describe the insulator-metal transition in a wide range of conducti...

Journal: :International Journal of the Society of Materials Engineering for Resources 1993

2011
Meurig W. Williams

Whether electrons or ions are involved in triboelectric charging of insulators remains elusive. In keeping with the multidisciplinary nature of the problem, we designed polymers whose surface compositions (determined by XPS) differed from the bulk. Charging against insulators related to their topmost surface compositions, but against metals related to their bulk compositions. We propose the hyp...

2003
Hideo Aoki

We propose that one of the best grounds for the materials design from the viewpoint of electron correlation such as ferromagnetism, superconductivity is the atomically controlled nanostructures and heterointerfaces, as theoretically demonstrated here from three examples with first-principles calculations: (i) Band ferromagnetism in a purely organic polymer of five-membered rings, where the flat...

Journal: :Nano letters 2006
Xiaolei Liu Song Han Chongwu Zhou

We present a novel nanotube-on-insulator (NOI) approach for producing high-yield nanotube devices based on aligned single-walled carbon nanotubes. First, we managed to grow aligned nanotube arrays with controlled density on crystalline, insulating sapphire substrates, which bear analogy to industry-adopted silicon-on-insulator substrates. On the basis of the nanotube arrays, we demonstrated reg...

1995
John C. Hulteen Richard P. Van Duyne

In this article nanosphere lithography ~NSL! is demonstrated to be a materials general fabrication process for the production of periodic particle array ~PPA! surfaces having nanometer scale features. A variety of PPA surfaces have been prepared using identical single-layer ~SL! and double-layer ~DL! NSL masks made by self-assembly of polymer nanospheres with diameter, D5264 nm, and varying bot...

Since the insulators of transmission lines are exposed to different environmental conditions, it is important task to study insulators performance under different conditions. In this paper, silicone rubber insulators performance under different environmental conditions including rainy, icy, salt and cement are proposed and exactly is studied. Electric fields (E-fields) and voltage distributions...

2002
L. V. Govor J. Parisi

Honeycomb-type nitrocellulose network patterns based on a hexagonal elementary cell with a diameter of about 2 m have been fabricated by means of a self-organized preparation process. Our method takes advantage of the spreading of a drop of the initial polymer solution on the surface of distilled water cooled down to a temperature of 3 to 5 C and the subsequent influence of the water vapor (i.e...

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