Báo cáo hóa học: "Simple two-step fabrication method of Bi2Te3 nanowires" pdf

... diameter of 78 nm. The E DS line s can profiles show the uniform atomic distribution of Bi and Te elements through the whole nanowire, as displayed in Figure 3b. More importantly, the atomic ratios of ... d). Because our method for Bi 2 Te 3 nanowires synthesis uses heterogeneous nanowire structures consisting of OFF-ON-grown Bi core and post-deposited Bi 2 Te 3 shell, the homogenei...

Ngày tải lên: 21/06/2014, 04:20

... contradiction to the definition of t 0 ,sout ≤ βt, for any t ∈ T 1 ,T 2 . 3. Proofs of main results In this section, we will deal with the proofs of main results. Proof of Theorem 1.1. From Lemmas ... bounded. By virtue of Schauder fixed point theorem, Φ  f u has at least one fixed point u in C 1 c,d . Then, u is a solution of SBVP with 1.1. This completes the proof. Proof...

Ngày tải lên: 22/06/2014, 03:20

Ngày tải lên: 22/06/2014, 06:20

Ngày tải lên: 22/06/2014, 19:20

... Thin Film and Microfabrication of Ministry of Education, Research Institute of Micro/Nano Science and Technology, Shang hai Jiao tong University, Shanghai 200240, China Full list of author information ... the initial concentration of MB, C is the reaction concentration of MB at time t). Inset is the ln(C 0 /C) versus time curve of photodegradation of MB in the presence of th...

Ngày tải lên: 20/06/2014, 22:20

... controlled by desorption of the oxygen species. When the surface charge is completely removed, further change of the conductivity could occur as a result of the increase of the density of native defects ... oxygen site of ZnO lattice. The above reaction shows that the presence of hydrogen in the atmosphere leads to the increase of oxygen vacancies that act as donors by increas...

Ngày tải lên: 22/06/2014, 00:20

... t-distribution, which places most of its probability mass along the axial ridges of the space. At these ridges, the magnitude of only one of the parameters is large; hence this choice of prior tends to select ... preferences of the user. Because of the large dimensionality of the parameter space and unknown determinants of user satisfaction, the tuning procedure becomes a co...

Ngày tải lên: 22/06/2014, 00:20

... gave a new edge to resolvent oper- ator methods. Recently, Verma 9 generalized the recently introduced and studied notion of A-monotonicity to the case of A, η-monotonicity, while examining ... ν-Lipschitz continuity of N in the second argument yields that   N  v ∗ ,u n  − N  v ∗ ,u ∗    ≤ ν   u n − u ∗   . 3.10 2 Journal of Inequalities and Applications a new class...

Ngày tải lên: 22/06/2014, 22:20

... ratio of Ga(As)Ox was as a function of depth by sputtering into the oxidized area about 150 nm. Note that the relative atomic concentration ratio of Ga 2 O 3 is about two times larger than that of ... kinetics of oxidation of nm-sized metal particles. Chemical Physics Letters 2008, 452:285-288. doi:10.1186/1556-276X-6-550 Cite this article as: Ahn et al.: Nano-structure fabricati...

Ngày tải lên: 20/06/2014, 22:20

... the effect of the different methods of imputation on the treatment effects forms the basis of future work. During RECORD the issuing of reminders substantially increased the number of included ... under-disper- sion for each method. A PV of one indicates that the variance of the imputed values is equal to that of the true values. A PV of less than one implies underestimatio...

Ngày tải lên: 18/06/2014, 19:20