Modeling and simulation of buckling of pristine and defectiv

Modeling and simulation of buckling of pristine and defective carbon nanotubes

... properties of carbon nanotubes 1.1.3 Applications of carbon nanotubes 1.2 Motivation 1.3 Objective and scope of work 11 1.4 Layout of the thesis 13 CHAPTER 2: LITERATURE REVIEW 2.1 Buckling of CNTs ... in armchair and zigzag CNTs 146 Figure 6.7: Effect of temperature on pristine and defective CNTs 147 Figure 6.8: Buckling mode shapes of pristine and de...

Ngày tải lên: 09/09/2015, 18:54

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báo cáo hóa học:" Optimizing the thermoelectric performance of zigzag and chiral carbon nanotubes" pdf

... out the NEGF and NEMD calculations HJL participated in the design of the study and discussions of the theoretical results YWW, HYL, and LP participated in the implementation of the LAMMPS and ... method to study the thermoelectric properties of a serial of CNTs with different diameters and chiralities They are the zigzag (7,0), (8,0), (10,0), (11,0), (1...

Ngày tải lên: 21/06/2014, 17:20

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sensor response of sol–gel multiwalled carbon nanotubes-tio2 composites

... gas sensor for monitoring ammonia, Mater Char 58 (2007) 680–684 Please cite this article in press as: M Sánchez, M.E Rincón, Sensor response of sol–gel multiwalled carbon nanotubes-TiO2 composites ... doctorate degree under Prof Rincón’s surpevision Please cite this article in press as: M Sánchez, M.E Rincón, Sensor response of sol–gel multiwalled carbon nanotub...

Ngày tải lên: 20/03/2014, 13:07

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Study of field emission characteristics of ultrathin film coated carbon nanotubes core shell structures 1

... Background 1. 2 Carbon Nanotubes 1. 2 .1 Discovery of Carbon Nanotubes 1. 2.2 Bonding Structures of Carbon Nanotubes 1. 2.3 Properties of Carbon Nanotubes 1. 2.4 Applications of Carbon Nanotubes 2 13 1. 3 ... Nanostructures 10 6 5.2.5 FE Study of Tungsten Oxides Coated CNT Nanostructures 11 0 5.2.6 Summary 11 4 References 11 5 CHAPTER FIELD E...

Ngày tải lên: 11/09/2015, 10:17

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Study of field emission characteristics of ultrathin film coated carbon nanotubes core shell structures 2

... [9-13] 22 Chapter Physics of Field Emission -4 ln ( J/E2) Current density, J ( mA/cm2) -2 -6 -8 -10 - 12 -14 0 .2 0.3 0.4 0.5 1/E 0 Applied electric field, E ( V/µm) Fig 2. 2 The electron emission ... Proc 91, 429 (20 08) 29 Chapter Physics of Field Emission 20 C S Chang, S Chattopadhyay, L C Chen, K H Chen, C W Chen, Y F Chen, R Collazo, and Z Sitar, Phys Rev B 68, 125...

Ngày tải lên: 11/09/2015, 10:17

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Study of field emission characteristics of ultrathin film coated carbon nanotubes core shell structures 3

... the acquisition time per spectrum of ~150 s 3. 4 Field Emission Apparatus Field emission testing of the samples was carried out with a custom-designed field emission system, using parallel plate ... ionization and emission of a core (inner shell) electron whereas in UPS the photon interacts with valence levels of the molecule or solid, leading to ionization by remova...

Ngày tải lên: 11/09/2015, 10:17

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Study of field emission characteristics of ultrathin film coated carbon nanotubes core shell structures 4

... heater Fig 4. 1 Schematic setup of the PECVD system used 55 Chapter Synthesis of Vertically-Aligned Carbon Nanotubes 4. 3 Results and Discussion 4. 3.1 Characterization of the As-Grown Carbon Nanotubes ... covered with amorphous carbon, which is the product of the thermal deposition of hydrocarbon [3] 52 Chapter Synthesis of Vertically-Aligned Carbon Nanotubes...