MBE growth and characterization of ge1 xmnxte ferromagnetic semiconductors

... 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

... 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

... 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

... 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

... 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

... Results and discussions The structures of the PPy/Zn0.5Cu0.5Fe2O4 nanocomposite were investigated by FTIR spectroscopy and X-ray diffraction FTIR spectra of the PPy and PPy/Zn0.5Cu0.5Fe2O4 nanocomposite ... XRD patterns of PPy/Zn0.5Cu0.5Fe2O4 nanocomposite (a) and the reference standard data for Zn0.5Cu0.5Fe2O4 of the JCPDS file No 77-0012 (b) Fig SEM micrographs of Zn0...

Ngày tải lên: 20/03/2014, 13:08

... 5′ GTGATTACGAAAAAGCATTTTGTGAAAAGGTTTTACC 3′ 5′ GGTAAAACCTTTTCACAAAATGCTTTTTCGTAATCAC 3′ E58 8A: 5′ GAAATGGTTGAAGGCAACAGCTGAAATTCCTACAGTAG 3′ 5′ CTACTGTAGGAATTTCAGCTGTTGCCTTCAACCATTTC 3′ The following ... CATTACTTGTTTGAAGGAATTTTGTGAAGCTGTTGTCTTCG 3' M2-R: 5' CGAAGACAACAGCTTCACAAAATTCCTTCAAACAAGTAATG 3' M3-F: 5' CATTACTTGTTTGAAGGAAACTGCAGAAGCTGTTGTCTTCG 3' M3-R: 5' CGAAGACAACAGCTTCTGCAGTTTCCT...

Ngày tải lên: 16/09/2015, 08:30

... natural activated sludge An extracellular polymer was extracted from an activated sludge suspension and was characterized because an extracellular polymer closely related to flocculation of activated ... drawn from the results of the study An extracellular polymer closely related to flocculation of activated sludge was obtained from th...

Ngày tải lên: 05/09/2013, 09:08

... PVDF-SPS composite membrane Table shows the water uptake of the pristine PVDF membrane, the PVDF-PS membrane and the PVDF-SPS composite membrane The blending of PS polymer reduces the water uptake of ... of the PVDF-SPS membrane: (a) C1s, (b) O1s, (c) S2p 3.4 Morphology of the PVDF-SPS composite membrane The morphologies of the pristine PVDF...

Ngày tải lên: 05/09/2013, 16:11

... 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

... concentration of the SnCl4 solution, and the films were annealed at different temperatures and for different period of time Photoconductivity measurement In order to evaluate properties of obtained films ... steps of spray pyrolysis for TiO2 and sol-gel for SnO2 As prepared films exhibit a nanocomposite structure, constituting of a majority of TiO2 and a small amou...

Ngày tải lên: 13/02/2014, 04:20