electrical and magnetic properties of thin films

Báo cáo hóa học: " Effect of Composition on Electrical and Optical Properties of Thin Films of Amorphous GaxSe1002x Nanorods" pptx

Ngày tải lên : 21/06/2014, 17:20

... well-established knowledge of the electrical and optical properties of GaSe thin films, in this paper, we report the results on electrical and optical measurements of amorphous thin films of GaSe nanorods ... field of micro/optoelectronics Significant research efforts have been focused to the study of the electrical and optical properties of this compound in thin film formation Since the optimization of ... diameter of the nanorods varies from 140 to 180 nm, and the length is of several hundreds of nanometers Figure presents the temperature dependence of the dc conductivity of thin films of a- GaxSe100-x...

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Báo cáo hóa học: "Investigation of electrical and magnetic properties of ferro-nanofluid on transformers" pptx

Ngày tải lên : 21/06/2014, 04:20

... magnetized curve of the Fe O nanofluid measured by a VSM Results and discussion Different magnetic cores, air, and Fe3O4 nanofluids of 0.25, 0.5, 0.75, and M were applied as the magnetic core of transformers ... with the increase of Fe3O concentration, and it increases as a function of frequency At 100 MHz, the resistances with the magnetic core of 0.25 and M Fe O nanofluids were two and five times the ... factor of coils of transformers with different magnetic cores Owing to the fact that the increase of resistance is larger and faster than that of inductance with the presence of Fe3 O4 nanofluids,...

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Defect mediated novel structural, optical, electrical and magnetic properties in ti1 xtaxo2 thin films

Ngày tải lên : 09/09/2015, 18:49

... 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...

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The effects of additional nonmagnetic layers on structure and magnetic properties of l10 fept thin films

Ngày tải lên : 13/09/2015, 21:23

... structure and magnetic properties of FePt films with different thicknesses of Ag top layers and different deposition conditions Table 5-II Layer structure and magnetic properties of FePt films with ... structure of FePt films and coercivity values for FePt thin films grown on corning glass and MgO substrates with different structures X List of figures Figure 1-1 Growth curve of areal density of magnetic ... curves of the FePt fct (001) peak of FePt thin films with and without Ag intermediate layers Figure 8-4 Plane view TEM images of FePt thin films with (a) Structure I and (b) Structure III and (c)...

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Effects of AG on structural and magnetic properties of fept thin films

Ngày tải lên : 30/09/2015, 06:41

... heat-assisted magnetic recording (HAMR) vi List of Tables List of Tables Table 1-1 Magnetic properties of L10 FePt alloy and other ferromagnetic materials Table 1-2 Elemental parameters of Fe, Pt and ... microstructure and magnetic properties in cosputtered FePt-Ag thin films • Sequential deposition of FePt/Ag/FePt thin films to achieve both perpendicular texture and property improvement • Effects of Ag ... illustration of the FePt/Ag/FePt thin films 82 Figure 5-2 XRD scans of FePt films with various inserted Ag thickness 83 x List of Figures Figure 5-3 Bright-field TEM images of 10 nm FePt thin films...

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FIRST ORDER PHASE TRANSITION AND MAGNETIC PROPERTIES OF EPITAXIAL FERH THIN FILMS

Ngày tải lên : 02/10/2015, 17:15

... equiatomic and Rh-rich 48 FeRh thin films 4.2.2.2 Magnetic properties of equiatomic and Rh-rich FeRh 49 thin films 4.2.2.3 Temperature dependentcrystallographic texture and 51 magnetic properties of ... Compositional dependence on the phase transition of FeRh thin films 3.2.2 Magnetic properties of Fe100-xRhx thin films Magnetization of FeRh thin films of various compositions were shown in Figure ... thickness of the different films could be determined 40 2.3 Magnetic Characterization Magnetic properties of FeRh thin films such as saturation magnetization, magnetic hysteresis loop, and thermal-magnetic...

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FIRST ORDER PHASE TRANSITION AND MAGNETIC PROPERTIES OF EPITAXIAL FERH THIN FILMS

Ngày tải lên : 06/10/2015, 21:06

... equiatomic and Rh-rich 48 FeRh thin films 4.2.2.2 Magnetic properties of equiatomic and Rh-rich FeRh 49 thin films 4.2.2.3 Temperature dependentcrystallographic texture and 51 magnetic properties of ... Compositional dependence on the phase transition of FeRh thin films 3.2.2 Magnetic properties of Fe100-xRhx thin films Magnetization of FeRh thin films of various compositions were shown in Figure ... thickness of the different films could be determined 40 2.3 Magnetic Characterization Magnetic properties of FeRh thin films such as saturation magnetization, magnetic hysteresis loop, and thermal-magnetic...

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Microstructure and magnetic properties of cozr and co doped tio2 thin films

Ngày tải lên : 26/11/2015, 12:15

... MICROSTRUCTURE AND MAGNETIC PROPERTIES OF COZR AND CO-DOPED TIO2 THIN FILMS YAO XIAOFENG A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING ... of alternating layers of ferromagnetic and nonmagnetic layers When the magnetic moments of the ferromagnetic layers are parallel, the spin-dependent scattering of the carriers is minimized, and ... spectrum of Iron 38 x Fig.3.1 Saturation magnetization of Co1-xZrx thin films in as-deposited state 42 Fig.3.2 The development of in-plane and out -of- plane hysteresis loops of 44 annealed CoZr films...

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Báo cáo hóa học: " Electronic and magnetic properties of SnO2/CrO2 thin superlattices" doc

Ngày tải lên : 21/06/2014, 05:20

... analysis, and drafted the manuscript LS and PB conceived of the study HA, ES, LA, and LS participated in the analysis and in the production of a final version of the manuscript All authors read and ... Density of states and total energies for the SL with n=10 (a) Total density of states (in black) and project density of states (in gray) for the Cr–3d (b) Total energies for the non magnetic (NM) and ... Abbreviations AFM: anti-ferromagnetic; FM: ferromagnetic; GGA-PBE: generalized gradient approximation and the Perdew, Burke, and Ernzerhof; NM: non -magnetic; PDOS: projected density of states; SL: superlattice;...

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Báo cáo hóa học: " Aqueous Solution Preparation, Structure, and Magnetic Properties of Nano-Granular ZnxFe32xO4 Ferrite Films" potx

Ngày tải lên : 21/06/2014, 17:20

... Izaki’s method, the incorporation of Zn into magnetite was finished by the deposition of magnetite film on ZnO thin film, so the Zn content of ferrite film and the magnetic properties cannot be well adjusted ... sites, so the net magnetic moment of the ZnxFe3-xO4 spinel unite cell is the difference in the magnetic moment between B and A sites [28, 29] Therefore, the net magnetic moment m of the ZnxFe3-xO4 ... sublattices, and the magnetic moments of which have a canting angle with each other [30, 31] So the further replacement of the Fe3? ions by the Zn2? ions leads to a decrease of the magnetic moments...

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Structure and magnetic properties of ni nio, co coo composite films

Ngày tải lên : 12/09/2015, 08:20

... understanding of the magnetic properties of Ni and NiO in the amorphous or disordered, cluster, nanocrystalline and well crystalline states and the understanding of the exchange coupling and magnetic ... Composition study and its effect on the magnetic properties 150 7.6 Temperature dependence of magnetic properties 152 7.7 Comparison of the hysteresis loops of Co/CoO composite films by magnetic ... 130 6.3 Effect of composition on the magnetic properties of Ni/NiO composites 131 6.4 Effect of magnetic field on the magnetic properteis of Ni/NiO composites 132 6.5 Phase and microstructure...

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Synthesis, structure and magnetic properties of nanowires and films by electrodeposition

Ngày tải lên : 14/09/2015, 08:45

... Alnico alloys Table 1.2: Magnetic properties of ferrites Table 1.3: Magnetic properties of Sm-Co magnets Table 1.4: Magnetic properties of NdFeB Table 1.5: Magnetic properties of L10 alloys Table ... per unit of available magnetic force, the wide availability of raw materials and high chemical stability Magnetic properties of ferrites arise from anisotropic properties of iron oxides and barium, ... (c) HRTEM image, and (d) SAED of FePt films Figure 6.8 TEM micrographs and SAED of FePt films on Ag and Cu underlayers: (a) Dark field of FePt film on Ag underlayer, (b) SAED of FePt film on Ag...

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Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx

Ngày tải lên : 13/02/2014, 04:20

... increasing of anisotropy property of ferrites Ni1-xCoxFe2O4, hence it was the increasing of HC The increasing of HC proved that the soft magnetic property of ferrite NiFe2O4 changed to the hard magnetic ... high coercivity of materials, the second term can take part of several tens percent of HC and the last one whereas can only reach several hundreds of gauss Thus, the increasing of Co-concentration ... in an increasing magnetic moment per formula of Ni1-xCoxFe2O4 and equivalently, an enhancement of magnetization [7].The dependence of saturation magnetization Ms as a function of Co2+ concentration...

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synthesis, structure and magnetic properties of iron-doped tungsten oxide nanorods

Ngày tải lên : 20/03/2014, 13:08

... (0 1) of WO3, according to JCPDS card No 20-1324 Figs 2c and d also show that the thin layer covering the nanorods is in amorphous The thickness of the amorphous coatings and the size of the ... consisting of WO3 and W There are two characteristic binding energies (707.4 and 711.4 eV) for the photoelectron line of Fe 2p3/2, as illustrated in Fig The binding energies of 707.4 and 711.4 ... In order to determine the magnetization contribution of different magnetic phases, a basic knowledge for the magnetic properties of bulk Fe and its oxides is crucial It is well known that bulk...

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Báo cáo khoa học: H NMR study of the molecular structure and magnetic properties of the active site for the cyanomet complex of O2-avid hemoglobin from the trematode Paramphistomum epiclitum pdf

Ngày tải lên : 23/03/2014, 17:22

... m3ặmol)1, and numerous of its point mutants [26,30], and conrm the strong conservation of the magnetic anisotropies of low-spin hemin with His/cyanide ligation The 10 tilt of the major magnetic ... tilt of the major magnetic axis, z, away from the heme normal (zÂ axis), a is the angle between the projection of the tilt of the z axis on the xÂ, yÂ plane (dened direction of tilt of z and the ... the remainder of the target residues assigned by detection of NOESY residueheme and interresidue cross-peaks solely by the standard Mb fold, and the observation of relaxation effects and/ or sufcient...

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Báo cáo hóa học: " Synthesis and magnetic properties of Zr doped ZnO Nanoparticles" docx

Ngày tải lên : 20/06/2014, 22:20

... their magnetic properties Magnetization curves as a function of applied magnetic field (M-H) at RT of samples are revealed in Figure 6, where the contributions of the paramagnetism (PM) signals of ... measurements and data analysis, and drafted the manuscript DG and DX made the conception and design of the manuscript ZZ2 carried out the XPS measurements and data analysis JLZ and ZZ1 participated ... Synthesis and magnetic properties of Cu-doped ZnO nanowire arrays Electrochim Acta 2009, 54:2392 16 Kim CO, Kim S, Oh HT, Choi SH, Shon Y, Lee S, Hwang HN, Hwang CC: Effect of electrical conduction properties...

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Báo cáo hóa học: " Effects of silver impurity on the structural, electrical, and optical properties of ZnO nanowires" doc

Ngày tải lên : 20/06/2014, 22:20

... structure because of both low Ea and optimized quantity of substitution function of Ag+ [19] However, stress of lattices structure on both 3SZO and 5SZO NWs is very impressive because a lot of Ag interstitials ... Programs” of the Ministry of Education, Science and Technology, Korea Author details Electronic Materials Center, Korea Institute of Science and Technology, Seoul 136-791, Korea 2Department of Electrical ... Realization of p-type ZnO thin films via phosphorus doping and thermal activation of the dopant Appl Phys Lett 2003, 83:63 32 Jie J, Wang G, Chen Y, Han X, Wang Q, Xu B, Hoe JG: Synthesis and optical properties...

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Báo cáo hóa học: "Fabrication and magnetic properties of granular Co/porous InP nanocomposite materials" ppt

Ngày tải lên : 21/06/2014, 04:20

... synthesis of an array of nickel nanotubules and its magnetic behavior Adv Mater 2001, 13:1631-1633 Li DD, Thompson RS, Bergmann G, Lu JG: Template-based synthesis and magnetic properties of cobalt ... Menon L, Liu Y, Bandyopadhyay S, Sellmyer DJ: Structure and magnetic properties of ferromagnetic nanowires in selfassembled arrays Phys Rev B 2002, 65:134426 Babonneau D, Petroff F, Maurice JL, ... details Laboratory of Condensed Matter Spectroscopy and Opto-Electronic Physics, and Key Laboratory of Artificial Structures and Quantum Control (Ministry of Education), Department of Physics, Shanghai...

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Báo cáo hóa học: " Wet chemical synthesis and magnetic properties of single crystal Co nanochains with surface amorphous passivation Co layers" pdf

Ngày tải lên : 21/06/2014, 04:20

... for NCs and PSC, saturation magnetizations (Ms) of 125.7 and 162.5 emu/g, respectively, for NCs and PSC, and remnant magnetization (M r ) up to 46.6, and 4.5 emu/g, respectively, for NCs and PSC ... http://www.nanoscalereslett.com/content/6/1/285 Page of published SY and YQ: partly carried out the TEM and HRTEM experiments, as well as drafted the manuscript XL, LS, and HL: conceived of the study, and participated in its design and coordination ... external magnetic field and with weak external magnetic field (approx 0.5 T) Conclusion In this study, this proposed method provides a simple and inexpensive method for the preparation of stable, magnetic...

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Báo cáo hóa học: " Impacts of Post-metallisation Processes on the Electrical and Photovoltaic Properties of Si Quantum Dot Solar Cells" potx

Ngày tải lên : 21/06/2014, 07:20

... small as Rsh of the cell is in the order of MX.cm2 The short circuit current increases by a factor of three due to the decrease of Rs Contact and Sheet Resistances To identify the origin of the large ... (250, 300 and 350°C) The duration of each annealing step was 20 Dark and illuminated (1-sun) I–V data were measured before and after each annealing step The dark currents in Figs 5b and 6a are ... material and measurements were carried out before and after each annealing step The measurement is able to extract contact (Rc) resistance of the bottom electrode and sheet (Rsheet) resistance of the...

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