electrical and thermal interface conductance of carbon nanotubes grown under dc bias voltage

... number of defects Figure 3. Morphology of CNTs grown under different dc bias voltages. FESEM images of CNTs grown under (a) -200 V, (b) -100 V, and (c) 0 V. (d) TEM images of CNTs grown under ... individual nanotubes and nanotube arrays grown under positive dc bias voltage (+200 V) show significant increases in their electrical and thermal interfa...

Ngày tải lên: 06/05/2014, 08:53

... Synthesis and Purification of Multi- Walled and Single-Walled Carbon Nanotubes M.Yumura 2 Chapter 3 Electron Diffraction and Microscopy of Carbon Nanotubes S. Amelinckx, A. Lucas and P. ... Structures of Multi-Walled and Single- Walled Carbon Nanotubes. EELS Study T. Hanada, Y. Okada and K. Yase 29 Chapter 5 Electronic Structure of Sing...

Ngày tải lên: 05/03/2014, 17:20

... Xu, Timothy S. Fisher, and Timothy D. Sands* A miniaturized thermoelectric (TE) cooler module is composed of a large number of TE legs connected electrically in series and thermally in parallel. [1] TE ... 49707-2057 (USA) Prof. T. D. Sands School of Electrical and Computer Engineering, Purdue University West Lafayette, IN 47907 (USA) H. Mishra, B. A. Cola, Prof. T. S. Fisher Sc...

Ngày tải lên: 06/05/2014, 08:58

... relatively high (b1100°C), a mixture of graphitic carbon and SiC nanowires was formed because of both the carbonization of the nanowires and the fast carbon deposition to form the carbon- like structure. 4. ... the coated carbon grew to become large carbon sheets, as shown in the bottom image in Fig. 4b. Even the nanowires were completely carbonized and mixed into a lot...

Ngày tải lên: 16/03/2014, 15:04

... of the hole concentration and decreasing of the electron concentration. WO 3 is a kind of the acidic oxide and can react with the alkali. Besides the state of oxygen adsorbed on the surface of WO 3 , ... 900°C for 1 h. The sensors of indirect heating type were fabricated. The eects of calcining temperature and operating temperature on electrical resistance and sensiti...

Ngày tải lên: 19/03/2014, 16:48

... cutting and purification of single-walled carbon nanotubes. Carbon 2007;45(10):1972–8. [134] Bandow S,AsakaS,Zhao X, AndoY. Purification and magnetic properties of carbon nanotubes. Appl Phys A ... changes of single-wall carbon nanotubes and single-wall carbon nanohorns caused by heat treatment. Carbon 2003;41(6):1273–80. [105] Koshio A, Yudasaka M, Iijima S. Disappe...

Ngày tải lên: 20/03/2014, 13:06

... Protein purification, and cloning and characterization of the cDNA and gene for xylose iso- merase of barley. Eur J Biochem 237, 240–246. 15 Vangrysperre W, Vandamme J, Vandekerckhove J, Debruyne ... metal concen- trations and metal combinations was determined. Figure 7 shows the inactivation courses of apo-TNXI and of TNXI in the presence of 5 mm concentrations of each...

Ngày tải lên: 23/03/2014, 13:20

... Properties of Carbon Nanotubes 297 Fig. 4. HREM images of bent nanotubes under mechanical duress. (a )and( b)sin- gle kinks in the middle of SWNT with diameters of 0. 8and1 .2nm,respectively.(c) and (d) ... observed and is responsible for the apparent softening of MWNT of larger diameters. A variety of largely and reversibly distorted (estimated up to 15% of loca...

Ngày tải lên: 24/03/2014, 05:20

... conditions were 40:10 sccm of Cl 2 :Ar, a chamber pre ssure of 0.7 Pa, an RF forward power of 800 W, and a capacitive bias of 350 W. The top and bottom contact metallization consisted of three layers, ... phenomena in cross-plane thermal and electrical transport by suppressing the effects of parasitic electrical series resistance and the elec- tronic contributions...

Ngày tải lên: 06/05/2014, 08:53

... considered both one of the most promising applications and one of the most studied since the publication of the fundamental works of Dugan and coworkers, who analyzed fullerene capability of scavenging ... all, the most recent developments of biological and toxicological aspects of fullerene and related compounds of the last few years, considering that many reviews...

Ngày tải lên: 17/02/2014, 05:20