نتایج جستجو برای: anisotropic materials

تعداد نتایج: 472327  

Journal: :Advanced materials 2017
Bin Chen Kedi Wu Aslihan Suslu Sijie Yang Hui Cai Aliya Yano Emmanuel Soignard Toshihiro Aoki Katia March Yuxia Shen Sefaattin Tongay

Chemical vapor deposition and growth dynamics of highly anisotropic 2D lateral heterojunctions between pseudo-1D ReS2 and isotropic WS2 monolayers are reported for the first time. Constituent ReS2 and WS2 layers have vastly different atomic structure, crystallizing in anisotropic 1T' and isotropic 2H phases, respectively. Through high-resolution scanning transmission electron microscopy, electr...

Journal: :Journal of the Optical Society of America. A, Optics, image science, and vision 2009
Maarten Sluijter Dick K de Boer H Paul Urbach

Firm evidence of the biaxial nematic phase in liquid crystals, not induced by a magnetic or electric field, has been established only recently. The discovery of these biaxially anisotropic liquid crystals has opened up new areas of both fundamental and applied research. The advances in biaxial liquid-crystal-related topics call for a good overview on the propagation of waves through biaxially a...

2014
Raymond C. Rumpf Cesar R. Garcia Eric A. Berry Jay H. Barton

The finite-difference frequency-domain (FDFD) method is a very simple and powerful approach for rigorous analysis of electromagnetic structures. It may be the simplest of all methods to implement and is excellent for field visualization and for developing new ways to model devices. This paper describes a simple method for incorporating anisotropic materials with arbitrary tensors for both permi...

2010
M. Zehetmayer H. W. Weber

We report on measurements and a detailed analysis of the reversible magnetization of superconducting NbSe2 single crystals. By comparing the experimental data with Ginzburg Landau theory we show that superconductivity in NbSe2 cannot be explained by an anisotropic single-band but by a multiband scenario. Applying a simple two-band model reveals the basic mixed-state parameters, which are quite ...

2011
Sz-Chin Steven Lin Tony Jun Huang

We present a theoretical study on the tunability of phononic band gaps in two-dimensional phononic crystals consisting of various anisotropic cylinders in an isotropic host. A two-dimensional plane-wave expansion method was used to analyze the band diagrams of the phononic crystals; the anisotropic materials used in this work include cubic, hexagonal, trigonal, and tetragonal crystal systems. B...

2007
Xiande Wang Do-Hoon Kwon Iam-Choon Khoo Alexander V. Kildishev V. M. Shalaev Douglas H. Werner Vladimir M. Shalaev

A full-wave analysis technique based on the finite element-boundary integral method is developed and used to rigorously treat the scattering from periodically structured metamaterials incorporating anisotropic liquid crystals LCs and dispersive materials. Reconfiguration of the negative-index metamaterials is achieved by controlling the magnetic resonance via tuning permittivity of the embedded...

Journal: :Journal of the mechanical behavior of biomedical materials 2011
Pasquale Ciarletta Ivano Izzo Silvestro Micera Frank Tendick

This work defines an incompressible, hyperelastic theory of anisotropic soft materials at finite strains, which is tested by application to the experimental response of fiber-reinforced rubber materials. The experimental characterization is performed using a uniaxial testing device with optical measures of the deformation, using two different reinforcing materials on a ground rubber matrix. In ...

حسین‌زاده, مرضیه, عموقربان, احسان, مهدی‌فر, علی,

In this paper, we quantize electromagnetic field in, lossy, dispersive and anisotropic magnetodielectric media by using phenomenological approach. We obtain quantum input– output relations for anisotropic multilayer metamaterials. As an application of our approach, we investigate the dissipative and anisotropic effects of an anisotropic magnetodielectric slab on the quantum properties of incide...

Journal: :Comput. Graph. Forum 2016
Radomír Vávra Jirí Filip

BRDFs are commonly used for material appearance representation in applications ranging from gaming and the movie industry, to product design and specification. Most applications rely on isotropic BRDFs due to their better availability as a result of their easier acquisition process. On the other hand, anisotropic BRDF due to their structure-dependent anisotropic highlights, are more challenging...

2004
Yuko Motizuki Hideki Madokoro Tetsuya Shimizu

We demonstrate the important role of anisotropic neutrino radiation on the mechanism of core-collapse supernova explosions. Through a new parameter study with a fixed radiation field of neutrinos, we show that prolate explosions caused by globally anisotropic neutrino radiation is the most effective mechanism of increasing the explosion energy when the total neutrino luminosity is given. This i...

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