Báo cáo hóa học: " Field emission enhancement of Au-Si nano-particle-decorated silicon nanowires" doc

... electron field emission characteristics. Appl Surf Sci 2004, 221:38. doi:10.1186/1556-276X-6-176 Cite this article as: Zhao et al.: Field emission enhancement of Au-Si nano-particle-decorated silicon ... Access Field emission enhancement of Au-Si nano-particle-decorated silicon nanowires Fei Zhao, Guo-an Cheng * , Rui-ting Zheng, Dan-dan Zhao, Shao-long Wu, Jia...

Ngày tải lên: 21/06/2014, 05:20

... surface of silicon wafer consists of perfectly aligned hexagonal CdS nanotube arrays. The hexagonal CdS Fig. 2 a Photograph of sample A. b The XRD pattern of sample A. c The EDAX spectra of sample ... cm 2 ) of CdS nano- tube on silicon wafer are successfully fabricated by the method of layer-by-layer deposition cycle. The wall thicknesses of CdS nanotubes are tuned by con...

Ngày tải lên: 22/06/2014, 00:20

... where a field enhancement factor of the order of 10 was found [12]. In this study, a field enhancement factor of the order of 10 3 was obtained for fractal-like a-C nanotips consisting of several ... measurements of the individual fractal-like a-C nanorods showed a turn on field of 24 V/lm. A three-stage model that accounts for the geometry of the nanostructures described wel...

Ngày tải lên: 22/06/2014, 01:20

... maxi- mization of (10) is equivalent to the maximization of d v max  i=d (k) v min λ (C k ) i . (11) This can be interpreted as a maximization of the propor- tion of edges in the part of the parity ... programming optimization in the case of infinite codeword length. Then, we focus on the performance in the case of finite codeword length. 5.1. Influence of threshold offset on th...

Ngày tải lên: 22/06/2014, 19:20

... applications of nanofluids in heat transfer and microfluidics. In this study, a series of dilute TiO 2 aqueous dispersions were prepared and tested for the possible presence of the AWS effect by means of ... conductivity and dynamic viscosity of nanofluids. Energy Convers Manag 2011, 52:789-793. 12. Hosseini MS, Mohebbi A, Ghader S: Correlation of shear viscosity of nanofluids u...

Ngày tải lên: 21/06/2014, 04:20

... w= ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ = 3 4 4 3  wire (2) Therefore, ka rE wire () = ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ − − 13 4 13 3 4 / /  (3) With the radius of the NW r being deducted from the tap- ing mode scan of the NW, a linear fit of k wire -1/3 ,asafunc- tion of the forcing location a, allows the calculation of E. Si NW grown ... catalysts for VSS growth of silicon and germanium nanowires. J Mater Chem 2...

Ngày tải lên: 21/06/2014, 05:20

... pleasure-coding site of orbitofrontal cortex actually causes a positive pleasure state. It would be of considerable interest to investigate whether any of these sub-regions of the orbitofrontal cortex ... the medial parts of the orbitofrontal are part of a proposed network for the baseline activ- ity of the human brain at rest (Gusnard et al. 2001), as this would place the orbit...

Ngày tải lên: 21/06/2014, 06:20

... for a correction of one part of the proof, and for his improving of the organization of the paper. This work was supported by Vega no. 1/0157/08 and Kega no. 3/7414/09. Journal of Inequalities ... problems were posed in the work of Long and Chu 2010.Inthispaper,wegivethe solutions of these problems. 1. Introduction The arithmetic Aa, b and geometric Ga, b means of two po...

Ngày tải lên: 21/06/2014, 07:20

... let Λ beadirected set, let {X λ } λ∈Λ be a family of closed subspaces of X,let{Y λ } λ∈Λ be an upwards directed family of clos ed subspaces of Y,andletV =  λ∈Λ Y λ .Supposethat A : X × V −→ ... proof of Theorem 2.3 and applying the fact that A is of type M with respect to V , we get the required result.  Remark 3.4. It should be noted that since a crucial point in the above proo...

Ngày tải lên: 22/06/2014, 19:20

... IDE. Proof. Fortheproofofthetheoremwefirstreduce(2.6) to its normal form (2.3). Then we will show that (2.3) is of index-1 by verifying all the conditions of Definition 2.1.Letthe DAE (2.1) be of index-1. ... discrete analogues of nonlinear implicit differential equations Since condition (3.7) is independent of the choice of Q(t), the nonsingularity of G(x,t) does not depend on the...

Ngày tải lên: 22/06/2014, 22:20