magnetic materials and their properties

... form(S) = D0 (S, 1) 92 Classes of groups and their properties If F and G are formations and F ∩ G = (1), then D0 (F ∪ G) = R0 (F ∪ G) Let ∅ = F be a formation and let S be a non-abelian simple group ... the first and third properties leading to the theory of saturated formations and Schunck classes and the associated projectors and the second property to the theory of Fitting classes and injectors ... X and an epimorphism from H onto G); Sn X = (G : G is subnormal in H for some H ∈ X); R0 X = G : there exist Ni G (i = 1, , r) r with G/Ni ∈ X and Ni = i=1 90 Classes of groups and their properties...

Ngày tải lên: 12/05/2014, 01:59

... micro/nanotubes show strong nearband-edge emission at 387 nm and weak defects-related emissions at 422 and 485 nm, respectively Contact angle result indicates they have good hydrophobic properties Field-effect ... nanowires has already been observed for several materials, such as ZnO and ZnS [13, 41] The crystal structure of the products was also investigated using XRD and the pattern is shown in Fig In this pattern, ... crystal planes and thus resulted in the formation of different structures To investigate the optical properties of these micro/ nanotubes, room-temperature photoluminescence was conducted and a typical...

Ngày tải lên: 22/06/2014, 00:20

... that the films grown by zinc acetate and zinc nitrate as precursor materials show different morphological features Films grown by zinc nitrate show a rapid and random crystallization than the films ... random directions and thus give rise to dendrites or island type morphology of the film structure as shown in the set of micrographs in Fig The exact nature of morphology like dendrites or island, ... radians) and h is of course the Bragg angle The CuKa line has the ˚ average wavelength of 1.54178 A and consists of two lines ˚ CuKa1 and CuKa2 with CuKa1 at 1.5405 A with a shoulder ˚ band of...

Ngày tải lên: 22/06/2014, 18:20

... and scull hulls, sporting goods, sensor/actuator, catalysts and pollution processing materials, biomedical materials, and batteries, etc This book focuses on the fabrication, properties and their ... Chapter Properties of MWNT-containing Polymer Composite Materials Depending on Their Structure In this chapter, the electrical and electromagnetic properties of polymethylmethacrylate and polystyrene ... materials and their associating properties Part Mechanical and Physical Properties of Composites Chapter 12 Characterizations of Environmental Composites In this chapter, the erosion and corrosion properties...

Ngày tải lên: 28/06/2014, 10:20

... The colloidal stability and magnetic response ability were confirmed by Dynamic Light Scattering (DLS) results and magnetic response experiment 2) The magnetic hyperthermia properties of the Fe3O4 ... micromagnetic simulation Table 5.1 Dimensions and the static magnetic properties of Fe3O4 nanodisc AR denotes the Aspect Ratio (Diameter/thickness) Ms and Hc are the saturation magnetization and ... magnetization process of magnetic materials at an intermediate length scale between magnetic domain and crystal lattice length.6 In micromagnetic theory, the continuous magnetic system is approximated...

Ngày tải lên: 09/09/2015, 11:30

... saturated electron velocity and electron mobility) and materials in nano-structure (silicon nanowire) have been proposed and their device applications are actively being studied and have been successfully ... appreciation to my parents for their unwavering faith in me and to my sister, Jessica Lam Ching Yee for her constant encouragement Without their understanding and support, my graduate career ... modification and the dashed lines not have For both (b) and (c) the positive values (blue lines) represent the conduction bands and the negative values (red lines) represent the valence bands ...

Ngày tải lên: 10/09/2015, 08:39

... sandpaper The chief types of abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no ... the website Materials, Their Properties and Uses ABRASIVES conductivity, high specific heat and melting point, and for aerodynamic applications, a low specific gravity ABRASIVES Materials used ... website Materials, Their Properties and Uses 10 ACETYLENE reaction, is used in cosmetics, and in preparing foodstuff emulsions, plasticizers, and alkyd resins It is soluble in water and in alcohol...

Ngày tải lên: 13/02/2014, 09:20

... sandpaper The chief types of abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no ... the website Materials, Their Properties and Uses ABRASIVES conductivity, high specific heat and melting point, and for aerodynamic applications, a low specific gravity ABRASIVES Materials used ... website Materials, Their Properties and Uses 10 ACETYLENE reaction, is used in cosmetics, and in preparing foodstuff emulsions, plasticizers, and alkyd resins It is soluble in water and in alcohol...

Ngày tải lên: 14/03/2014, 16:20

... 500 and 700 cm-1, which is different from Fe3O4 [40, 41] The IR analysis combined with TEM images and XRD pattern can confirm the synthesis of a-Fe2O3–Au and Fe3O4–Au hybrid nanorods Fe3O4–Au and ... combined magnetic and optical properties, which originate 123 1758 Nanoscale Res Lett (2010) 5:1755–1761 Fig a, b Infrared spectra of FeOOH nanorods (curve a) before layer-by-lay assembly and (curve ... resonance band at around 520 nm [44] The exact absorption varies with nanoparticles morphology and particle surface coating Herein, compared to pure Fe3O4 and aFe2O3 nanorods, both Fe3O4–Au and a-Fe2O3–Au...

Ngày tải lên: 21/06/2014, 07:20

... architecture (Ni as core and Co as shell) and studies on their structural and magnetic properties 165 Experimental Alumina membranes (AAO template, Whatman) of high purity and uniform pore density, ... earlier reports on Co NTs and Ni NWs [2, 13] In order to investigate the magnetic properties of crystalline Ni @ Co nanorods, room temperature and low temperature (6 K) magnetic properties of the Ni ... inside MWCNTs and could fabricate co-axial multifunctional nanostructures of MWCNTs and Co NTs [20] Core–Shell nanostructures represent a novel class of hybrid materials, where composition and microstructure...

Ngày tải lên: 22/06/2014, 00:20

... sandpaper The chief types of abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no ... the website Materials, Their Properties and Uses ABRASIVES conductivity, high specific heat and melting point, and for aerodynamic applications, a low specific gravity ABRASIVES Materials used ... website Materials, Their Properties and Uses 10 ACETYLENE reaction, is used in cosmetics, and in preparing foodstuff emulsions, plasticizers, and alkyd resins It is soluble in water and in alcohol...

Ngày tải lên: 27/06/2014, 17:20

... sandpaper The chief types of abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no ... the website Materials, Their Properties and Uses ABRASIVES conductivity, high specific heat and melting point, and for aerodynamic applications, a low specific gravity ABRASIVES Materials used ... website Materials, Their Properties and Uses 10 ACETYLENE reaction, is used in cosmetics, and in preparing foodstuff emulsions, plasticizers, and alkyd resins It is soluble in water and in alcohol...

Ngày tải lên: 27/06/2014, 17:20

... sandpaper The chief types of abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no ... the website Materials, Their Properties and Uses ABRASIVES conductivity, high specific heat and melting point, and for aerodynamic applications, a low specific gravity ABRASIVES Materials used ... website Materials, Their Properties and Uses 10 ACETYLENE reaction, is used in cosmetics, and in preparing foodstuff emulsions, plasticizers, and alkyd resins It is soluble in water and in alcohol...

Ngày tải lên: 27/06/2014, 17:20

... sandpaper The chief types of abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no ... the website Materials, Their Properties and Uses ABRASIVES conductivity, high specific heat and melting point, and for aerodynamic applications, a low specific gravity ABRASIVES Materials used ... website Materials, Their Properties and Uses 10 ACETYLENE reaction, is used in cosmetics, and in preparing foodstuff emulsions, plasticizers, and alkyd resins It is soluble in water and in alcohol...

Ngày tải lên: 27/06/2014, 23:20

... interest in the magnetic and spin dependent transport properties of magnetic oxide materials with a high degree of spin polarization A research into the unique properties of magnetic oxides is ... role in 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 ... nanocrystalline SrRuO3 thin film and its spin glass behavior” Journal of Magnetism and Magnetic Materials (accepted) X.L Huang, Y Yang, J Ding “Structure and magnetic properties of Fe3O4 thin films...

Ngày tải lên: 09/09/2015, 10:15

... SUMMARY Magnetic tunnel junctions (MTJ) show great promise to become the next candidate for magnetic data storage devices like the hard disk and magnetic random access memory This is due to their ... presence of a magnetic field, as described by electromagnetic theory[2] As such, this effect is more pronounced in ferromagnetic materials, and all MR devices use ferromagnetic materials in some ... Theory and Review Motivation A review of the various work done on the materials used in MTJs reveal that only ferromagnetic materials or their combinations are used A non -magnetic- ferromagnetic...

Ngày tải lên: 10/11/2015, 11:35

... identity between Hol l and CP2 was  22%, between Phl p and CP1 as well as CP3 19%, and between Phl p and CatB  15% Moreover, the putative active-site amino acid Cys72 of Phl p and Hol l is very ... cysteine residues and other essential amino acids are numbered Areas of high similarity exist around Cys69 and Cys72 and around Trp186, Trp193 and Trp197 The positions of Cys41, 57, 69 and 72 are especially ... among a and b-expansins, which is  25% Furthermore, high similarity is detected between regions surrounding the active sites of the proteinases and their expansin counterparts [4], and their comparable...

Ngày tải lên: 08/03/2014, 22:20

... high-temperature properties and are therefore used in furnaces and heat exchangers Their good impact strength at low temperatures is often exploited in apparatus such as vessels for cryogenic liquids Their properties ... of microstructure for the corrosion resistance properties, physical properties and mechanical properties of the steels and provide information on their weldability – give advice on the selection ... petrochemical sector, seawater-bearing systems and the offshore industry COMPOSITION AND MECHANICAL PROPERTIES The mechanical properties, corrosion resistance and weldability of a steel are largely determined...

Ngày tải lên: 14/03/2014, 12:21

... kox and kred are kcat values for alcohol oxidation and ketose reduction; KiNADH and KiNAD are dissociation constants for NADH and NAD+; and KmRO and KmROH are Michaelis constants for ketose and ... binding Discussion Kinetic mechanism of Af M1PDH and Af M2DH The theory developed by Cook and Cleland is used to deduce the kinetic mechanism of AfM1PDH and AfM2DH from KIE data in Table [28] The pattern ... discriminate between the same enzyme from parasite and host Experimental procedures Materials Recombinant AfM1PDH and AfM2DH were produced in E coli and puried as described recently [17,18] Unless...

Ngày tải lên: 14/03/2014, 23:20

... Andreas Öchsner Lucas F M da Silva Holm Altenbach • Editors Mechanics and Properties of Composed Materials and Structures 123 Editors Andreas Öchsner Department of ... increment and n is the time step; unþ1 _ _ and unþ1 are assumed, unþ1 and unþ1 are corrected values of displacement and velocity; b and c are parameters that determine the stability and accuracy ... Mechanics and Properties of Composed Materials and Structures, Advanced Structured Materials 31, DOI: 10.1007/978-3-642-31497-1_2, Ó Springer-Verlag Berlin Heidelberg 2012 35 36 M M Kheirikhah and...

Ngày tải lên: 16/03/2014, 22:20