Báo cáo hóa học: " Reliable processing of graphene using metal etchmasks" ppt

... developed a large area of CVD synthesis and transfer of graphene films. With patterning of these graphene layers using standard photoresist masks, we are able to produce arrays of gated graphene device ... 6:390 http://www.nanoscalereslett.com/content/6/1/390 Page 4 of 4 NANO EXPRESS Open Access Reliable processing of graphene using metal etchmasks Shishir Kumar...

Ngày tải lên: 21/06/2014, 03:20

... f graphene. Figure 4 Electron microscopy of graphene. (a) Bright-field TEM images of monolayer graphene, (b) HRTEM image from the same location, and (c) electron diffraction pattern of the graphene ... monolayer of reduced GO Figure 2 Tapping mode AFM image of GO on SiO 2 /Si with step height profile. Figure 3 AFM image of polyquaternium-stabilized graphene membrane with h...

Ngày tải lên: 21/06/2014, 01:20

... thickness of two to three graphene planes. This small discrepancy might occur because of the uncertainty of one to two layers for thickness determined from Raman spectroscopy and from the difference of ... (quarter) circle shows the ringlike pattern of graphene. The modulated intensity of FLGs signal corresponds to the distribution of rotation angles for the first graphene...

Ngày tải lên: 21/06/2014, 05:20

... MUSIC, and CPM responses of signal only. (b) IFFT, MU- SIC, and CPM responses of noise only. (c) IFFT, MUSIC, and CPM responses of signal plus noise. Signal Processing of GPR Using Spectr al Estimation ... Signal Processing 2003:12, 1198–1209 c  2003 Hindawi Publishing Corporation Signal Processing of Ground Penetrating Radar Using Spectral Estimation Techniques to Estima...

Ngày tải lên: 23/06/2014, 01:20

... level of CDK4 expression was an independent prognostic indicator (P < 0.001) for the survival of patients with lung cancer. Use of lentiviral-mediated shRNA to inhibit the expression of CDK4 ... Research Institute of Southern Medical University, 510515, Guangzhou, PR China 3 Department of Pathology, Medical College of Guangzhou, 510450, Guangzhou, PR China Full list of auth...

Ngày tải lên: 20/06/2014, 03:20

... and catheter ablation of atrioventricular and atriofascicular accessory pathways: evidence of decremental conduction and the anatomic structure of the Mahaim pathway. Journal of Cardiovascular Electrophysiology ... atrial fibrillation. Radiofrequency ablation remains the treatment of choice for this disorder. Mapping the accessory fibers identifies the proximal and distal insertion...

Ngày tải lên: 21/06/2014, 05:20

... of Electronics Information Engineering, Tianjin Key Laboratory of Film Electronic and Communication Devices, Tianjin University of Technology, Tianjin, 300384, China 2 Singapore Institute of ... where N H is the number of rows in the interconnect bundle, N W is the number of columns, and N CNT is the total number of CNTs. Since a SWCNT bundle consists of several individ...

Ngày tải lên: 22/06/2014, 00:20

... dominating peaks of B, C, and N with a low level of O, Cu, and Si. The existence of Cu peak should be caused by the copper TEM Fig. 1 a Low-magnification SEM image of the product, showing the large quantity of the ... of B 2 O 2 ,C 2 H 5 OH, N 2 , and H 2 (Fig. 5a). The involving species of B and C could lead to the further decrease of the melting temperature of stainless ste...

Ngày tải lên: 22/06/2014, 00:20

... gradients using double echo was taken [5]. It was modified for stimulating the hydro- lysis of aspirin with a loop 1,000 times over a z-gradient of 100 ls length, of rectangular shape, 10% of maximum power, ... Arrhenius equation. Two types of samples (A: 1 mM aspirin alone, B: 1 mM aspirin plus a gold NP suspension with a total amount of gold of 40 mg which translates roughly...

Ngày tải lên: 22/06/2014, 00:20

... for the existence of periodic solutions and solution estimates are derived. Our main tool is a combined usage of the recent estimates for matrix-valued functions with the method of majorants. Copyright ... research was supported by the Kamea Fund of the Israel Ministry of Science and Technology. References [1] S. S. Cheng and G. Zhang, Positive periodic solutions of a discrete pop...

Ngày tải lên: 22/06/2014, 22:20