Growth and characterization of magnetic MNSB nanostructures

... understanding of the physical and chemical properties of solid surface and interface is of great importance in many areas of science and technology, such as in material growth, chemical reactions and ... images of MnSb crystallites with diameter of (b) nm and (c) 15 nm 96 Fig 5.3 (a) Core-level XPS spectra of Mn 2p of MnSb nanoparticles with different d (b) Mn...

Ngày tải lên: 07/10/2015, 10:10

... dissertation, the growth and characterization of nickel oxide (NiO) for various novel device applications are investigated In the aspect of growth, many methods of both solution-based and physical ... nanowires was demonstrated for the first time The applications of NiO thin films and nanostructures were then investigated for resistive switching memo...

Ngày tải lên: 09/09/2015, 10:07

... exploration of self-assembled synthesis and the possible applications of new Si and/ or Ge nanostructures and, (b) achieving a controlled growth of Si and Ge nanostructures 1.4 Organization of Thesis ... Abstract In this dissertation, the growth and characterization of five different types of germanium (Ge) and silicon (Si) nanostructures are presented Th...

Ngày tải lên: 11/09/2015, 10:04

... of carbon before 2004 Nanotubes Graphite Sheets 1D 2D The most beautiful side of carbon Fullerene Amorphous Carbon 0D 3D The dark, soft and tough side of carbon The shining and hard side of carbon ... Structure of Two Dimensional Carbon 1.3 Carbon Nanowalls – Disordered 2D Carbon 1.3.1 Fabrication of Carbon Nanowalls 1.3.2 Structure and Morphology 11 1....

Ngày tải lên: 14/09/2015, 08:40

... diagram of our MBE growth chamber 21 Chapter MBE Growth Technique Fig 3-2 Schematic diagram of the ULVAC MBE System 22 Chapter MBE Growth Technique 3.1.2 Knudsen Effusion Source Cells In MBE, the ... Chapter MBE Growth Technique 3.3 Growth Preparation and Procedures 3.3.1 The Use of Liquid Nitrogen to lower the Growth Chamber Pressure As a standard procedure use...

Ngày tải lên: 10/11/2015, 12:28

... doi:10.1186/1556-276X-6-187 Cite this article as: Potié et al.: Growth and characterization of gold catalyzed SiGe nanowires and alternative metal -catalyzed Si nanowires Nanoscale Research Letters 2011 ... mechanical characterization has also been carried out on Si and GaN NW for comparison SiGe NW growth First, the growth of SiGe NW using gold as c...

Ngày tải lên: 21/06/2014, 05:20

... 3:76–81 magnetic nature would be a proper candidate for biological applications Metal-encapsulated carbon nanobeads, a new kind of carbon nanotubes having both defects (by its structure) and magnetic ... easy and large-scale production of CNTs and metal-filled CNTs We have already developed a single-step technique for the synthesis of single-walled carbon nanotubes (S...

Ngày tải lên: 21/06/2014, 22:20

... equipments and setup are also discussed Chapter presents the results and discussion on the structural and optical properties of Ge1- xMnxTe films The growth conditions of the MBE growth of Ge1- xMnxTe ... AND DISCUSSION: MAGNETIC AND TRANSPORT PROPERTIES OF Ge1- xMnxTe FILMS .102 6.1 Magnetic Properties of Ge1- xMnxTe thin films .102 6.1.1 Field dependent...

Ngày tải lên: 11/09/2015, 09:02

... method of pulsed laser deposition (PLD); investigate the growth mechanism of high quality MgO films on silicon Fabricate highly oriented CoFe2O4 films on silicon with the help of MgO buffer layer and ... thesis 2.1.1 Pulsed- laser deposition One of the most significant approaches to oxide film growth is pulsed- laser deposition Pulsed- laser dep...

Ngày tải lên: 07/10/2015, 10:10

... form of crystal growth has revolutionized opto-electronic materials technology and is beginning to impact the new frontier of spintronics Epitaxial Ni/ insulator interfaces are of growing interest, ... are two kinds of sputtering: cathodic 11 Chapter Introduction sputtering and reactive sputtering One of the main differences in the mode of growth of sputtered deposi...

Ngày tải lên: 09/10/2015, 11:24

... 2006 Acquisition and analysis of Langmuir probe characterization for ECR plasma Indian J Phys 80: 1011–1015 Jain S K, Jain A, Hannurkar P R, Kotaiah S 2007 Characterization of plasma parameter, ... distance for (a) mirror magnetic field, and (b) flat magnetic field the magnetic field can cause diffusion of the plasma particles to the wall of the plasma ch...

Ngày tải lên: 22/12/2013, 08:58

... Fig – XPS Spectra of WO3 nanostructures: a) O1 s and b) W4 f axis with an inter-planar distance of 0.38 nm Raman, EDS and XPS analysis confirmed that the chemical structure and oxidation states ... procuring WO3 nanostructures is a modification of the method reported by Albiter et al for MoO3 nanorods [20] and Therese et al for WO3 nanostructures [18] The main d...

Ngày tải lên: 20/03/2014, 13:08

... [28] A mixture of 5.406 g of FeCl3Á6H2O and 2.780 g of FeCl2Á4H2O dissolved in 100 mL of highpurity water was placed in a 250-mL flask, following by the quick droplet-addition of 15 mL of 25% NH4OH ... spectra of the MPQDs The Effect of the Amount of NH4OH Figure showed the effect of the amount of NH4OH on the photoluminescence spectra of the MPQDs It was found 123 Fi...

Ngày tải lên: 21/06/2014, 20:20

... GROWTH AND PATTERNING OF NANOSTRUCTURES THROUGH IRREVERSIBLE LIQUID DRYING, SELF- ASSEMBLY, AND CRYSTALLIZATION WU JIHONG NATIONAL UNIVERSITY OF SINGAPORE 2010 ACKNOWLEDGEMENTS ... anthracene wires based on irreversible liquid drying and molecular self- assembly; and (4) macroscopic surface architectures of self- assembled (3-aminopropyl)triethoxysilane...

Ngày tải lên: 11/09/2015, 10:04