structure occurrence and technological properties of arabinogalactans

... 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 ... of the CoFe2O4 / ZnO /SiO2, and the enlarged (333) diffraction of the CoFe2O4 films with different thicknesses 143 Figure In plane and out of plane hysteresis loops of the CoFe2O4 (40nm) ... 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 on...

Ngày tải lên: 09/09/2015, 10:15

... (511) and (440) These planes are indications of the presence of a spinel cubic structure The diffraction lines corresponding to a cubic, spinel-type and crystalline phase provides clear evidence of ... 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 ... Co-concentration led to the 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...

Ngày tải lên: 13/02/2014, 04:20

... present analysis of enzymatic properties of ChiG, or by our analysis of the ChiG and ChiC structures Despite the deletion of the B-loop, the two putative catalytic residues Glu68 and Glu77 are structurally ... amounts of (GlcNAc)3 and (GlcNAc)2; the 80 : 20 anomeric ratio of the products indicates that cleavage after sugar or sugar occurs approximately equally often Structure The overall structure of ChiG ... enzyme with respect to its catalytic properties and crystal structure The crystal structures of ChiG and ChiC [18] permitted structural comparison between bacterial and plant enzymes, which provided...

Ngày tải lên: 07/03/2014, 11:20

... 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 ... (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 ... results indicate that most of the WO2 and part of the W could be oxidized to WO3 after air annealing at 573 K Iron and its oxide could be indexed in the XRD patterns of both samples However, the...

Ngày tải lên: 20/03/2014, 13:08

... chemical and physical properties to Program Offices (e.g., Office of Water, Office of Solid Waste and Emergency Response, Office of Prevention, Pesticides and Toxic Substances) and Regional Offices ... databases The strength of the electrostatic interaction between S and C depends on the magnitude and relative orientation of the local fields of S and C and the dielectric properties and distances through ... induction, resonance and field effects SPARC execution involves the classification of molecular structure (relative to a particular reactivity of interest) and the selection and execution of appropriate...

Ngày tải lên: 22/03/2014, 14:20

... structural stability of arthropod Hc oligomers, the reversibility of the dissociation processes and the occurrence of different subunits, in order to correlate the structural properties of the various ... allosteric properties of the protein and to trace the evolutionary pathway of the allosteric behaviour Results Characterization of the oligomeric state of P monodon Hc In gel-filtration experiments of ... hemocyanin structure and function equilibrium constant, lo, describes the ratio of conformations r and t in the absence of ligand: lo ¼ ½t0 Š ½r0 Š Three-state MWC model An extension of the simple...

Ngày tải lên: 23/03/2014, 13:20

... of the heme pocket of Pe Hb as found in the crystal structure of Pe metHbH2O [16] and as conrmed herein by solution 1H NMR of Pe metMbCN Proximal and distal residues are shown as rectangles and ... points) at 25 C, 30 C and 35 C in order to identify scalar and dipolar connectivities among heme and amino acid residues Spectral widths of 13 kHz and mixing times of 80 ms for NOESY and 50 ms for TOCSY ... 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...

Ngày tải lên: 23/03/2014, 17:22

... micrograph of the as-deposited sample It can be clearly seen that the structure includes the two layer stacks of TiO2 and ZrO2 films and that the interface layer is observed between the ZrO2 film and ... Foundation of China (No 51072049), STD and ED of Hubei Province (Grant Nos 2009CDA035, 2008BAB010, 2010BFA016, and Z20091001) Author details State Key Laboratory of Electrical Insulation and Power ... electrical properties of TiO2/ZrO2 bilayer composite dielectrics and drafted the manuscript HW conceived the study and participated in its design and coordination CY participated in the revision of the...

Ngày tải lên: 20/06/2014, 21:20

... thickness of about 300 nm (Fig 5d) The nano-granular microstructure of the deposited ferrite films may result from the random nucleation of the ferrite granules on the nano-granular surface of the ... lattice constant of the films increases from 0.8399 to 0.8464 nm; and the microstructure of the films change from the non-uniform nano-granules to the fine and uniform nano-granules of 50–60 nm in ... ions migrate to the surface of the Ag layer mediated by the electrostatic force, and the dehydration reaction is accompanied by the reactions of Eqs and The reduction of NOÀ ions to NOÀ ions is...

Ngày tải lên: 21/06/2014, 17:20

... representation and manipulation of crystal structures and calculation of the resulting X-ray powder patterns J Appl Cryst 1996, 29:301-303 12 Jones GO, Thomas PA: Investigation of the structure and phase ... of materials Hence, this study showed that the observed dielectric and ferroelectric properties of BNTZ ceramics largely depended on compositional and crystal structure changes Optimization of ... Crystal structure and electrical properties of bismuth sodium titanate zirconate ceramics Nanoscale Research Letters 2012 7:57 Author details Department of Physics and Materials Science, Faculty of...

Ngày tải lên: 21/06/2014, 17:20

... the channels of mesoporous silica SBA15 and MCM-41 and the pores of zeolites Two examples are conventional wetness impregnation [12–15] and the improved method with modification of the surface ... of SBA-15 is as follows [21] A total of g of extracted mesoporous silica SBA-15 was suspended in 20 mL of n-hexane as the first hydrophobic solvent; and the mixture was stirred for h A total of ... prepared a nanocomposite of ZnO clusters supported in mesoporous silica (or ZnO/SBA15) via the two-solvent synthetic route The structure and photoluminescent properties of the ZnO/SBA-15 nanocomposite...

Ngày tải lên: 22/06/2014, 00:20

... critical slowing-down of the spin fluctuations Discussion Fig (a) Magnetization as a function of the magnetic field of the b-MnO2 nanorods at 5, 55 and 110 K (b) Expanded portions of the M(H) curves, ... 10, 100 and 1000 Hz (Fig 5f) We observe a frequency-independent peak at 40.5 K, 123 The rich structure of the M(T) curves can be analyzed by considering magnetic properties of the b-MnO2 and a-Mn2O3 ... the field of amplitude 6.5 Oe as a function of temperature at frequencies 1, 10, 100 and 1000 Hz nanoparticles of varying diameters between and 15 nm showed size-dependent TC between 36 and 41 K...

Ngày tải lên: 22/06/2014, 22:20

... the structure and functions of plant cell walls Reticulation may be of importance in durability and mechanical properties, as recently discussed in the case of cell wall proteins by Cassab and ... organization of a system, can be and of time function of redundancy (see Annex) Evolution of the organization as a expressed as a be calculated function of time can thus different types of showing ... comparison of bromination of syringyl and guaiacyl type lignins Holzforschung 42, 79-83 Sarkanen K.V ( 1971 ) Precursors and their polymerization In: I.ignins: Occurrence, Formation, Structure and Reactions...

Ngày tải lên: 09/08/2014, 03:24

... 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 ... 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 analysis ... nm and c) 100 nm Fig 3.7 SEM images of the annealed Ni films (500 oC) with a thickness of a) 15 nm; b) 50 nm and c) 100 nm Fig 3.8 Magnetization and coercivity as a function of the thickness of...

Ngày tải lên: 12/09/2015, 08:20

... magnetic, and transport properties of Cu-doped polycrystalline samples Sr2Fe1-xCuxMoO6 with ordered double perovskite structure are investigated The electrical, magnetic, and transport properties of ... limitation of CMR materials and the need for novel materials .11 1.7 Double perovskite family 13 1.7.1 Crystal structure and band structure calculation results 13 1.7.2 Magnetic structure ... Introduction Fig.1.8 Crystal structure and the density of states (DOS) of Sr2FeMoO6 (K-I Kobayashi et al [53]) 15 Chapter Introduction 1.7.2 Magnetic structure Based on band structure results, shown...

Ngày tải lên: 12/09/2015, 10:19

... magnetic properties of a number of potential alternative media alloys Table 5-I Layer structure and magnetic properties of FePt films with different thicknesses of Ag top layers and different deposition ... parts of the ingots Table 6-I Layer structure and magnetic properties of FePt films with different thicknesses of Ag intermediate layers and different deposition conditions Table 7-I FePt film structures ... layer and with 0.25 nm and nm Ag top layers Figure 5-6 TEM images and SAED patterns of the FePt films without Ag top layer (a and c) and with nm Ag top layer (b and d) Figure 5-7 HRTEM images of...

Ngày tải lên: 13/09/2015, 21:23

... 4.3.1 Structure and microstructure of Co nanowires……………………… 93 4.3.2 Magnetic properties of Co nanowires……………………………… .96 4.4 Fe nanowires…………………………………………………………… … 97 4.4.1 Structure and microstructure ... 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 1.6: Characteristics of high ... increase our understanding of the growth mechanism of single-crystal and poly-crystal nanowires, and the coercivity mechanism of nanowires and continuous films The investigations and results are...

Ngày tải lên: 14/09/2015, 08:45

... 4.1: (a) L21 structure of CMS; (b) Top view of MgO/Cr/CMS crystal structure 56 Figure 4.2: Schematic of MgO(sub)/Cr/CMS/Pt layer structure 57 Figure 4.3: The spectra of 2-theta XRD of Cr/CMS/Pt ... alloys 1.4.2.1 Effect of lattice parameter Magnetic and electronic properties of both half-Heusler in C1b structure and full-Heusler in L21 structure are dependent on the magnitude of the lattice parameter ... the 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...

Ngày tải lên: 16/10/2015, 12:00

... crystalline structure and properties of samples The measurements and analysis are performed by X-ray diffraction equipment at the Technical University of Denmark and in Department of Chemistry ... (T )∆H and ∆Tad (T )∆H depend on temperature and ∆H (Equations 1.5 and 1.9, respectively) and are usually studied and reported as functions of temperature for a given ∆H, or as functions of ∆H ... characteristic and magnetic refrigeration measurement 32 CHAPTER III: RESULTS AND DISCUSSION 33 3.1 Crystalline structure of NiMnSbB2 and NiMnSbCo1B2 33 3.2 Magnetic properties of NiMnSbB2...

Ngày tải lên: 24/06/2016, 12:58

... principles and actual devices Electronic and Optoelectronic Properties of Semiconductor Structures provides engineering and physics students and practitioners with complete and coherent coverage of key ... discussed; iii) electron (hole) transport and optical properties of semiconductors and their heterostructures; and iv) behavior of electrons in small and disordered structures As much as possible I have ... topics such as crystal structure and band theory in bulk semiconductors and “new” topics such as bandstructure of stained heterostructures, self-assembled quantum dots, and spin transistors All...

Ngày tải lên: 24/01/2014, 17:34