size of magnetic particles and magnetic properties

... without additives Table 1: Size and IR band of magnetite particles prepared in various additives Types of additive Additive νs ( Fe3O4)/cm–1 (Δ)* Size and SD of particles/nm Stearic acid 565.4 ... purity of the products via the absence of other phases of iron oxide such as maghemite or hematite in samples 3.2.1 Size and size distribution The average size and standard deviation (SD) of the ... effect of different additives on the size and size uniformity of magnetite (Fe 3 O 4 ) nanoparticles is described The magnetite particles are characterized by Fourier Transform Infrared (FTIR) and

Ngày tải lên: 07/08/2014, 14:20

... responsibility of Cairo University. ⇑ Corresponding authors at: School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, PR China (Z Wang and C Hu); School of ... facilitates the understanding of the interaction between H and metals and the design of novel V-based alloy membranes Ó 2019 THE AUTHORS Published by Elsevier BV on behalf of Cairo University This ... purificaproduc-tion, and storage of H2have always attracted consid-erable research attention Separation and purification techniques of H2determine the application standards of H2fuel[2–4] To meet

Ngày tải lên: 13/01/2020, 04:15

... range between 19 for IPCI and 32 for OSSIFF Of those, ibuprofen was the most frequently used NSAID, accounting for 69.3% of total person time of NSAID exposure Diclofenac and naproxen were also ... GePaRD, THIN and Pedianet, while nimesulide was most frequent in the other two Italian databases (OSSIFF and SISR), followed by ketoprofen and naproxen Together with ibuprofen and ketoprofen, morniflumate ... Sturkenboom1,10and on behalf of the investigators of The Safety of Non-steroidal Anti-inflammatory Drugs (SOS) project Abstract Background: Data on utilization patterns and safety of non-steroidal

Ngày tải lên: 02/03/2020, 17:00

... methods, setup, and evaluation a Methods PUCM combines basic meteorological data with aerodynamic and geometric properties of the built envi-ronment and hygrothermal properties of impervious and pervious ... various subfacets and a more realistic and complete inclusion of hydrological processes Rooftops in PUCM can be represented as any combination of black, white, and green roofs, each modeled independently ... representation of urban subfacets and to lump the hygrothermal properties and dynamics of different subfacets into an ‘‘average urban facet,’’ which is often difficult to define or characterize Because of

Ngày tải lên: 26/10/2022, 09:30

... distribution of Earth surface properties causes a decoupling of the Earth system rating func-tions between CW-fluxes and global runoff, as well as d) an improved understanding of where and to what ... and associated CO2drawdown and release of nutrients, are in general a first-order function of several of the following factors: hydrology (runoff), lithology, rates of physical erosion, soil properties, ... total range of scales and using a range of approaches, including laboratory ex-periments, in-depth studies of weathering at specific sites, and global compilations of stream, river, and soil chemistry,

Ngày tải lên: 02/11/2022, 10:45

... of 104 ms, recycling delay of 2 s, and 150−10 ppm in F1 (13C) using 256 data Figure 5 Soil metabolic and microbial profiles during plant growth Metabolic (A,B) and microbial profiles (C,D) of ... using three steps: (1) characterization of Jatropha curcas pyrolysis profiles, (2) evaluation of soil physical and chemical properties, and (3) evaluation of plant growth ability using J curcas ... transplanted to matured soils and grown for 4 weeks The plant heights of the control and of the 1%, 3%, and 5% torrefied biomass treatments were 10.50 and 9.23, 8.75, and 8.95 cm, respectively;

Ngày tải lên: 04/12/2022, 14:53

... dry matter content of mung beans ……….……… ……… 21 Figure 2 Effect of time and temperature on GABA content of mung beans …… 21 Figure 3 Effect of time and temperature on PA content of mung beans……… ... Influence of germination (time and temperature) on GABA, PA content, and composition of mung bean Part 2: Influence of cold storage time on GABA content, PA content, and physical and sensory ... mixed with 5 ml of deionized water and shaken for an hour before decanting the clear solution 0.5 mL of the solution, 0.2 mL of borate buffer with pH = 9.0, 1 mL of phenol, and 0.4 mL of sodium hydroxide

Ngày tải lên: 31/05/2023, 10:05

... grain growth, and explanation of magnetic nanostructures with magnetic domains and walls in the standard measurement of magnetic properties [1-3,26] In the development and formation of micro/nano ... of researchers in understanding the growth and formation of ferrite materials of grain and grain boundary as well as their magnetic properties according to the phenomena of magnetic domains and ... saturation magnetization MS of CoFe2O4particles in the range of 5 µm with grain and grain boundary shows much higher than that of CoFe2O4 nanoparticles in the size ranges of 25-60 nm and 60-135 nm [24]

Ngày tải lên: 16/12/2017, 12:02

... Physical Properties of TiO2 Bulk properties Of TiO227 Trang 205 1 4 Electronic Band Structure of TiO2 The electronic band structures of the three polymorphous TiO2-rutile, anatase and brookite ... effect and ferromagnetism 33 3 1 Brief history of Kondo effect 34 3 2 Experimental Methods 38 3 3 Magnetic and electrical transport of Ta 0.06 Ti 0.94 O 2 39 Trang 6vi 3 4 Thermopower and magnetic ... Ta and Nb Recently discovered water splitting ability of TiO2 has generated a great deal of interest in the field of energy and environment science research because of its unique conduction band

Ngày tải lên: 08/09/2015, 15:20

... (a) and PDOS of Be and N atoms (b) of Be doped(10¯10) surface, net spin density (c) and PDOS of Be and N atoms (d) ofBe doped (11¯20) surface 107 7.3 Total DOS of (10¯10) (a), total DOS of ... 1Electronic and magnetic properties of alkali and alkalineearth metals doped AlN: bulk to surfaces SANDHYA CHINTALAPATI (M.Sc; University of Hyderabad) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... influence of surface effects on the electronic and mag-netic properties of magnetic semiconductors at the low-dimension Thus to identify theorigin of magnetism and enhance the applications of magnetic

Ngày tải lên: 09/09/2015, 08:12

... 1ELECTRONIC, MAGNETIC AND OPTICAL PROPERTIES OF ATOMICALLY CONTROLLED COMPLEX OXIDE HETEROSTRUCTURES AND INTERFACES XIAO WANG NATIONAL UNIVERSITY OF SINGAPORE 2012 Trang 2ELECTRONIC, MAGNETIC AND ... Summary and Future Research 109 7.1 Summary 109 7.1.1 Optical Properties of LAO/STO Interface 109 7.1.2 Electrical Properties of LAO/STO Interface 109 7.1.3 Magnetic Properties of LAO/STO ... Xie, Dr Jiabo Yi, Tom Wijnands, Wentao Xu, Dr Kalon Gopinadhan, Prof Alexander Brinkman, Asst Prof Wei Chen, Prof Ganaphathy Baskaran, Assoc Prof Jun Ding, Asst Prof Andrivo Rusydi, Joost Beukers,

Ngày tải lên: 09/09/2015, 10:07

... determining the microstructure, magnetic and transport properties of the magnetic oxide thin films (2) A whole picture of the structure and magnetic properties of half metallic magnetite (Fe3O4) ... 1STRUCTURE, MAGNETIC AND TRANSPORT PROPERTIES OF MAGNETIC OXIDE MATERIALS & EXPLORATION OF MAGNETIC OXIDES\SEMICONDUCTOR (ZnO) HETEROSTRUCTURES HUANG XUELIAN (B.E., UNIVERSITY OF SCIENCE AND TECHNOLOGY, ... “Augment of coercivity in nanocrystalline SrRuO3 thin film and its spin glass behavior” Journal of Magnetism and Magnetic Materials (accepted) 3 X.L Huang, Y Yang, J Ding “Structure and magnetic properties

Ngày tải lên: 09/09/2015, 10:15

... contribution of the A and B sublattices12,28 Figure 1.1 | Crystal and band structure of graphene a Two equivalent sublattices in graphene crystal structure; b Illustration of valence and conduction band ... background of clean EpG (a) partially HEpG (b) and HSiC (c) 63   Figure 4.3 | (a) ZFC and FC data showing the temperature variation of magnetization of HEpG; (b) Magnetic hysteresis (in unit of Bohr ... (secondary electron cutoff) during the deposition of MoO3 on EpG Spectra are measured with photon energy of 60 eV b The plot of the sample work function and C 1s of EpG as a function of the MoO3 Trang

Ngày tải lên: 10/09/2015, 08:27

... and (b)] and x= 0.5 [(c) and (d)] and x= 0.6 [(e) and (f)] compounds .106Figure 3.23: Temperature dependence of′ and ′′ at f = 100 kHz [(a) and (b)] and f = 1 MHz [(c) and (d)] under0 H = 0-5 ... variation, magnetic phase transitions (paramagnetic to ferromagnetic or ferromagnetic to antiferromagnetic or paramagnetic toantiferromagnetic) accompanying the I-M transition, real space ordering of ... [(a) and (b)] and x= 0.2 [(c) and (d)] compounds .105 Figure 3.22: Temperature dependence of ’and ’’ under zero field for selected frequencies (f = 0.1-5 MHz) for x= 0.4 [(a) and (b)] and x=

Ngày tải lên: 10/09/2015, 09:11

... understanding of underlying physics and origin of most of the properties such as origin of conductivity and magnetism is lacking which remained as puzzles even till now owing to the complexness of ... angles of the magnetic field H ranging from out of plane (θ = 0ο) to in plane (θ = 90ο) (d) Fitting parameters, H so and H i, as a function of the angle of the magnetic field Inset is a schematic of ... 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

Ngày tải lên: 10/09/2015, 09:11

... relation of magnetic moment and applied field can be seen (c) Plot of susceptibility of paramagnetic (positive χ) and diamagnetic (negative χ) materials with temperature (d) Principle of ferromagnetism ... measurement at 10 K and room temperature of samples oriented in-plane and out-of-plane with magnetic field Black and red colors indicate the out-of-plane plot at room temperature and 10 K Blue and fuchsia ... Introduction 1  1.1 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 5  1.3.1 Crystal structures

Ngày tải lên: 10/09/2015, 09:12

... different applied magnetic fields of +2 kOe, 200 Oe, and -500 Oe, and (b) Illustration of the magnetization configurations of the soft [Pd/Co]2 and hard [Co/Pd]4 layers at the different magnetic fields ... effect measurements of Co/Pd based spin-valves and the indirect determination of physical properties from these measurements e Measurement of magnetic and thermal stability of nano structured ... demonstration of magnetic and thermal stability in nanostructured elements of Co/Pd based spins and the exploration of the physical nature of anomalous peaks in EHE measurements of exchange biased

Ngày tải lên: 10/09/2015, 15:53

... extracellular environment of the brain The good temporal and chemical resolutions of such in vivo cyclic voltammetric experiments offer improved understanding of the chemistry of the brain These repetitive ... absorptivity of R and DO and CO are the diffusion coefficient and concentration of O, respectively Hence, A increases linearly with the square root of time (t1/2), reflecting the continuous generation of ... simultaneous profiling of optical and electrochemical properties can enhance the overall selectivity of different sensing (31) and detection (32) applications Such coupling of two modes of selectivity...

Ngày tải lên: 25/10/2013, 08:20

... mortality and illnesses Air Pollution and the Health of New Yorkers: The Impact of Fine Particles and Ozone I of deaths, hospital admissions and emergency department visits (Tables and 2) Ozone ... Control and Prevention, Danaei 2009) Air Pollution and the Health of New Yorkers: The Impact of Fine Particles and Ozone I Fine Particles (PM2.5) are small, airborne particles with a diameter of ... Pollution and the Health of New Yorkers: The Impact of Fine Particles and Ozone Overall, older adults (65 years of age and older) have much higher rates of respiratory hospitalizations and account...

Ngày tải lên: 06/03/2014, 16:20

... study, in which the effects of heights and rings and their interaction are all fixed, and those of provenances/species, trees and radii and all other interactions are random Orthogonality was obtained ... degree of variation of wood properties within trees is of great concern The fast growth rate of South African pine and the resulting relatively short rotation age, cause an increased proportion of ... those of the controls In spite of the large percentage of earlywood and differences in cross-sectional dimensions of tracheid cells that characterised the wood of P tecunumanii, all provenances of...

Ngày tải lên: 08/08/2014, 19:21