electrical and magnetic properties of thin films

... Study of effects of silver incorporation on electrical and optical properties of TCO thin films MASTER THESIS Submitted in partial fulfillment of the requirement for the degree of Master of Nanotechnology ... NGOC LAN Study of effects of silver incorporation on electrical and optical properties of TCO thin films Submitted in partial fulfillment of the requirement for the degree of Master of Nanotechnology ... transparent of TNO-0s Ag thin films 39 Figure 23 Effect of annealing time to the transparent of TNO-30s Ag thin films 40 Figure 24 Effect of annealing time to the transparent of TNO-60s Ag thin films

Ngày tải lên: 17/03/2021, 08:59

... probably due to the off-stoichiometry of Cr2CoGa and the existence of the disorders and phase separation II EXPERIMENTAL Cr2CoGa films with thickness of 60 nm were grown on Si(001) and GaAs(001) substrates, ... growth and magnetic properties of Cr2CoGa films using molecular beam epitaxy technique Phase separation and precipitate formation were observed experimentally again in agreement with observation of ... moment probably due to the off-stoichiometry of Cr2CoGa and the existence of phase separation and disorders In addition, the distinct difference between the in-plane and out -of- plane saturated magnetization

Ngày tải lên: 02/09/2017, 08:42

... MWCNT in case of former and with 5 wt% in case of the latter. Electrical Properties One unique property of the MWCNTs is their electrical conductivity because of their large aspect ratio and mobile ... physical, electrical, magnetic, chemical stability, thermal conductivity and mechanical properties [2]. Due to their exceptionally high aspect ratio and mechanical properties, incorporation of small ... matrix and reported a maximum achievable strength of 165.5 MPa at 7 wt% loading of functionalized MWCNTs. Yuen et al. concluded that by using amino functionalized MWCNTs the electrical properties of

Ngày tải lên: 22/06/2014, 01:20

... Electronic and magnetic properties of alkali and alkaline earth metals doped AlN: bulk to surfaces SANDHYA CHINTALAPATI (M.Sc; University of Hyderabad) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ... low-dimensional systems of semiconductors such as nanowires, thin films and surfaces/interfaces etc. Nevertheless, the nature and origin of magnetism are unclear at the low-dimension of non -magnetic element ... units of bohr magneton 66 xiii List of Figures 1.1 Schematic... electronic and magnetic properties of magnetic semiconductors at the low-dimension Thus to identify the origin of

Ngày tải lên: 09/09/2015, 08:12

... INVESTIGATION OF ELECTRONIC AND MAGNETIC PROPERTIES OF PRISTINE AND FUNCTIONALIZED GRAPHENE XIE LANFEI (B. Sc, SHANDONG UNIV) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF PHYSICS ... band structure, electronic and magnetic properties of graphene and surface-modified graphene. Two main types of graphene - ExG and EpG grown on silicon carbide - were investigated to understand ... between ExG and EpG grown thermally on SiC. The main difference between ExG and EpG is the absence of a band-gap between the π and π* bands in free-standing ExG. We observed, in undoped and gapless

Ngày tải lên: 10/09/2015, 08:27

... various combinations of polar/non-polar oxide interfaces, providing us further understanding of the nature of carrier confinement, magnetic interactions and origin of conductivity of the two dimensional ... Nilsen, and J G Skinner, “Raman spectrum of strontium titanate,” The Journal of Chemical Physics, 48, 2240-2248 (1968) [15] A Tenne Dmitri, “Raman spectroscopy of ferroelectric thin films and superlattices,” ... 131 6.1 Introduction 133 6.2 Growth and characterization of LaAlO3/SrTiO3 (110) thin films 134 6.3 Electrical transport properties 136 6.4 LaAlO3 thickness dependent

Ngày tải lên: 10/09/2015, 09:11

... splitting and carbon dioxide reduction, both of which strongly depend on the positions of the valence and conduction band edges. Hence to modify the bandgap and also the valence and conduction band ... Motivation and scope of the thesis . 1  1.2 Brief introduction of concept of energy bandgap . 3  1.3 Fundamental physical and chemical properties of TiO2 ... predictions of bandgap value, its results were widely applied in explaining other phenomena and can be used for engineering the band structures of TiO2 The absolute value of bandgaps of

Ngày tải lên: 10/09/2015, 09:12

... Am Lee, and Dr. Jang Heo of Dankook University, Dr Hojun Ryu of ETRI, Mr. Rajamouly of Microelectronics Lab and Ms Tan Lay San of Dept. of Chemistry for their aid in various aspects of my experimental ... experimental work and for the use of their equipment. My heartfelt appreciation goes to all the staff and students of BML and ISML, both past and present who created a conducive and enjoyable working ... OPTIMIZING THE MAGNETIC PROPERTIES OF CO/PD MULTILAYERS .74 4.1.1. Effect of Co and Pd thickness on the perpendicular anisotropy 76 4.1.2. Effect of number of bi-layers on

Ngày tải lên: 10/09/2015, 15:53

... FORMATION AND MAGNETIC PROPERTIES OF TERNARY FE-B-Y/ND AND QUATERNARY FE-B-ND-NB ALLOYS ZHANG JIE NATIONAL UNIVERSITY OF SINGAPORE 2008 GLASS FORMATION AND MAGNETIC PROPERTIES OF TERNARY ... size and volume fraction of the principle hard magnetic phase Fe14Nd2B. The study on the effect of the annealing time on the magnetic properties might be useful to improve the hard magnetic properties. ... my supervisors Prof. Feng Yuan Ping and A/Prof. Li Yi for their invaluable guidance and advice throughout my entire candidature in the Department of Physics, National University of Singapore.

Ngày tải lên: 12/09/2015, 08:18

... structures and magnetic properties of Co2 MnSi (CMS) Heusler alloy thin films for spintronic application. It would 23 provide guidance on the understanding of structural and magnetic properties of ... objective of this research work is to investigate the effects of different buffer layers on the structures and magnetic properties of CMS thin films. 1) Co2 MnSi full-Heusler alloy thin films were ... structures, magnetic properties and interfacial morphologies of these MgO buffered CMS thin films were studied. 3) Cr was used as the buffer layer. The structures and magnetic properties of the Cr-buffered CMS

Ngày tải lên: 16/10/2015, 12:00

... Results and Discussion 5.1 Magnetic properties and CEF scheme in RRhIn5 5.2 Fermi surface and magnetic properties of PrTIn5 (T: Co, Rh and Ir) 5.3 Unique magnetic properties of RRhIn5 ... 2.4 MAGNETIC PROPERTIES OF RIN3 AND RRHIN5 COMPOUNDS 2.4 27 Magnetic properties of RIn3 and RRhIn5 compounds. .. series of RIn3 The magnetic susceptibility of RIn3 ... the magnetic properties of RRhIn5 series The present thesis consists of the following contents In Chap 2, the fundamental 2.1 Magnetic Properties of Rare Earth Compounds Magnetic properties of

Ngày tải lên: 14/01/2016, 13:46

... UNIVERSITY OF SCIENCE FACULTY OF PHYSICS Vu Thi Huong THE INFLUENCE OF COBALT ON CRYSTAL STRUCTURE AND MAGNETIC PROPERTIES OF NiMnSbB2 HEUSLER ALLOYS Submitted in partial fulfillment of the requirements ... dependence of magnetization under a magnetic field of 0.01 T (ZFC and FC) for the NiMnSbCo1B2 sample 38 Figure 3.6 The temperature dependence of entropy’s variation under magnetic fields of 0.3 ... magnetic fields of 0.3 T, 0.5T and 0.8T of NiMnSbB2 39 Figure 3.7 The temperature dependence of entropy’s variation under magnetic fields of 0.3 T, 0.5T and 0.8T of NiMnSbCo1B2 40 Thesis

Ngày tải lên: 24/06/2016, 12:58

... Conditions of access and use can be found at http://www.tandfonline.com/page/termsand-conditions Journal of Experimental Nanoscience Vol 4, No 3, September 2009, 259–267 Structural and magnetic properties ... purpose of the Content Any opinions and views expressed in this publication are the opinions and views of the authors, and are not the views of or endorsed by Taylor & Francis The accuracy of the ... Journal of Experimental Nanoscience Publication details, including instructions for authors and subscription information: http://www.tandfonline.com/loi/tjen20 Structural and magnetic properties of

Ngày tải lên: 16/12/2017, 00:01

... systematic study of influence of ligand substitutions on the electronic structure and magnetic properties of Mn4 single-molecule magnetsw Nguyen Anh Tuan,*ab Shin-ichi Katayamaa and Dam Hieu Chiab ... study of the influence of ligand substitutions on the geometric structure, electronic structure, and magnetic properties of Mn4 single-molecule magnets (SMMs), in order to investigate the role of ... influence of ligand substitutions on the geometric structure, the electronic structure, and magnetic properties of Mn4 single-molecule magnets, as well as to support for the development of new SMMs and

Ngày tải lên: 16/12/2017, 17:21

... using XRD, SEM and VSM, respectively The results show that the magnetic properties of nanocomposite particles are strongly influenced by the molar ratios of the hard and soft phases and particle ... consisting of soft and hard magnetic phases have become a hot research topic in recent time because of potential applications in the fields of science and technology For example, magnetic micro ... XRD patterns of the SrFe12O19, CoFe2O4 and SrFe12O19/CoFe2O4 nanocomposites powders with various of Rm and RV are shown in the Fig.2 It can be clearly seen that the SrFe 12O19 and CoFe2O4 samples

Ngày tải lên: 13/01/2020, 07:27

... characteristics of the magnesium type of boracite mineral with Mc:B mole ratios of 5:7.5, 6:7.5, and 7:7.5; 600 ◦ C reaction temperature; and h reaction time The resistivity of magnesium type of boracite ... KIN Department of Chemical Engineering, Faculty of Chemical and Metallurgical Engineering, ˙ Yıldız Technical University, Istanbul, Turkey ˙ Department of Physics, Faculty of Arts and Science, ... et al with varying lengths and widths ranging between 100 and 300 nm 16 and Dosler et al at 1300 ◦ C with the same reactants of MgO and B O that synthesize Mg B O type of magnesium borate 12 Boracite

Ngày tải lên: 12/01/2022, 23:47

... model with N of is described (see Figure 1) The model comprises a fundamental structure of 12 C atoms and H atoms, with Pr as the metal of study We investigate the electrical properties and geometrical ... exchange, and hybridization also occurs here This is shown in the band and DOS structures in the presence of adsorption and disadsorption However, based on the calculation results and the band structure ... calculate and investigate the electronic, magnetic and geometrical properties of the chemisorption between Pr and ASiNRs.The first step considers the optimal case for the top, valley, bridge and hollow

Ngày tải lên: 24/10/2022, 17:45

... www.elsevier.com/locate/procedia Proceedings of the JMSM 2008 Conference Experimental investigation of the mechanical micro structural and thermal properties of thin CrAIN layers deposited by PVD technique ... The present work is based on the investigation of physical and mechanical properties of CrAlN coating deposited on a silicon substrate and the effect of the aluminium proportion on their variation ... morphology, porosity and the thermal properties The correlation between aluminum proportions in CrAlN coatings and his thermal properties revealed that the conductivity and the diffusivity are

Ngày tải lên: 02/11/2022, 10:39

... chemical modification and sensitivity to external factors as stress and strain, and electric and magnetic fields On the other hand, tailoring the fundamental properties of 2D materials via doping ... spin-up state with a magnetic moment of 0.540 µB Now, we analyze the electronic properties including band structure and density of states, which are closely related to the magnetic properties One can ... of 2N-1 systems, where the interatomic distance dMg-N and angle ∠NMgN take values of 1.976 (Å) and 108.130, respectively These correspond to the increase and reduction of the order of 3.73% and

Ngày tải lên: 31/12/2022, 12:21

... Spectroscopy (XAS) and Secondary Ion Mass Spectrometry (SIMS) to rule out the presence of any magnetic impurities in the thin films Soft X-Ray Magnetic Circular Dichroism (XMCD) and Optical Magnetic Circular ... Ti1-xTaxO2 (x = – 0.08) thin films and rutile Ti1-xTaxO2 (x = 0.08) thin film; (b) Variation of carrier density and Hall mobility for anatase Ti1-xTaxO2 thin films as a function of Ta concentration…………………………… ... material with electrical conductivity lower than that of a metal (104 Scm-1) and higher than that of an insulator (10-10 Scm-1) In terms of the band structure and band gaps, a band semiconductor...

Ngày tải lên: 09/09/2015, 18:49