dielectric magnetic and optical behavior
Báo cáo hóa học: " Synthesis, magnetic and optical properties of core/shell Co1-xZnxFe2O4/SiO2 nanoparticles" pot
Ngày tải lên :
21/06/2014, 01:20
... nanoparticles (Co1-xZnxFe2O4; x = 0, 0.5, and 1) and shelling with silica on the magnetic and optical properties of the ferrite nanoparticles for a variety of magneto -optical nanodevice applications From ... with silica shell and fired at 400°C show a ferromagnetic behavior and high diffuse reflectance compared with all uncoated and coated nanoparticles due to the presence of zinc ions and the silica ... at 400°C and 800°C It is clear that at 400°C, the zinc ferrite/silica nanoparticles show a ferromagnetic behavior compared with the sample fired at 800°C which shows a paramagnetic behavior Figure...
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Báo cáo hóa học: " Fe3O4–Au and Fe2O3–Au Hybrid Nanorods: Layer-by-Layer Assembly Synthesis and Their Magnetic and Optical Properties" pptx
Ngày tải lên :
21/06/2014, 07:20
... 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...
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DEFECT INDUCED NOVEL ELECTRICAL, MAGNETIC AND OPTICAL PROPERTIES OF TIO2 THIN FILMS GROWN BY PULSED LASER DEPOSITION
Ngày tải lên :
08/09/2015, 15:20
... and ferromagnetism 33 Brief history of Kondo effect 34 Experimental Methods 38 3 Magnetic and electrical transport of Ta0.06Ti0.94O2 39 v Thermopower and magnetic ... by PES and IPES28 DFT-GGA calculation shows that anatase has an indirect band gap with the VBM at Δ (0, 0, 0.44) between Γ and X (0, 0, 0.5) and the CBM at Γ (Figure 1.2(b)) The indirect band gap ... a direct band gap at Γ (Figure 1.2(c)) The predicted direct band gap with GW is 3.86 eV which is larger than that of anatase (3.57 eV) and rutile (3.30 eV) Figure 2: Band structure and the corresponding...
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Electronic, magnetic and optical properties of atomically controlled complex oxide heterostructures and interfaces
Ngày tải lên :
09/09/2015, 10:07
... Cu, Nb, Ta and Bi) All impurity elements show traces below ten coundts (b) The content of magnetic elements (Cr, Mn, Fe, Ni and Co) in the magnetic LAO (10 uc)/STO sample and the non -magnetic STO ... gas, a ferromagnetic phase, which persists even above room temperature, and a diamagnetic/paramagnetic phase below 60 K The EPS is attributed to the selective occupancy of interface subbands of the ... Gopinadhan, S Dhar, T Venkatesan, and Ariando “Magnetoresistance of 2D and 3D electron gas in LaAlO3/SrTiO3 heterostructures: Influence of Magnetic Ordering, Interface Scattering and Dimensionality”, Phys...
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Electronic, magnetic and optical properties of oxide surfaces, heterostructures and interfaces role of defects
Ngày tải lên :
10/09/2015, 09:11
... my research and I am grateful to all of them Especially, I would like to sincerely thank my supervisors Prof Ariando and Prof T Venkatesan for educating and encouraging me Prof Ariando keeps me ... Gopinadhan, T Venkatesan, and Ariando “Magnetoresistance of 2D and 3D electron gas in LaAlO3/SrTiO3 Heterostructures: influence of magnetic ordering, interface scattering and dimensionality” http://prb.aps.org/abstract/PRB/v84/i7/e075312 ... bonds and prone to a variety of cationic and anionic point defects energetically favorable in such materials Point defects could significantly affect the electronic, magnetic, optical and mechanical...
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Báo cáo hóa học: " Unusual magneto-optical behavior induced by local dielectric variations under localized surface plasmon excitations" potx
Ngày tải lên :
21/06/2014, 03:20
... different (a) and (b) dielectric environments (dots and circles, respectively) The black and dotted horizontal lines correspond to the values for the n = 1.7 and n = 1.4 uniform dielectric backgrounds, ... shells in contact), and for different dielectric values: (a) n = 1.4 (n = 1.7 for the matrix) and (b) n = 1.7 (n = 1.4 for the matrix) Figure 3a, b shows the spectral position and intensity of the ... between the dielectric and the nanowire When the refractive index of the matrix decreases, it appears less localized at the metal /dielectric interface, which is the expected for a plasmonic behavior...
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báo cáo khoa học: " Hydrophobic silver nanoparticles trapped in lipid bilayers: Size distribution, bilayer phase behavior, and optical properties" pot
Ngày tải lên :
11/08/2014, 00:22
... phase behavior [8] Vesicle size, stability, and bilayer phase behavior were examined as a function of nanoparticle loading and temperature Ag LNAs were also formed with a mixture of DPPC and 1,2-dipalmitoyl-snglycero-3- ... the effect of vesicle charge and aggregation on the Ag SPR wavelength Methods Chemicals DPPC and DPPS (>99%) were obtained from Avanti Polar Lipids, and chloroform and tetrahydrafuran (THF) from ... orientation of the excitation and emission polarizers, and G = IHV/IHH accounts for the sensitivity of the instrument towards vertically and horizontally polarized light [11] Optical properties: Ultraviolet-visible...
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Stimulated Emission and Optical Gain in Semiconductors
Ngày tải lên :
23/10/2013, 20:15
... orbital and consists of a heavy-hole band, a light-hole band and a split-off band [3] The upper edge of the valence band is at the À point, the center of k space, where the heavy-hole and light-hole ... etc.) and II–VI compound semiconductors have a band structure similar to that of Fig 3.1 and the direct-transition bandgap On the other hand, for group IV semiconductors such as Si and Ge, and ... parabolic band Here, Ec and Ev are energies of the lower edge of the conduction band and the upper edge of the valence band, respectively, the difference Eg ¼ Ec À Ev is the bandgap energy, and mn...
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Personality and social behavior
Ngày tải lên :
04/12/2013, 23:54
... understand phenomena, not merely to predict them, and prediction and understanding often fail to go hand-in-hand It is here, in the effort to develop scientific understanding of the social behavior ... strive to understand personality and social behavior by exploring the mental systems—the social-cognitive and affective structures and processes—that contribute to the coherent and distinctive ... explores the interpersonal construction and maintenance of self and includes topics such as self-handicapping and narcissism He is Professor of Psychology and Associate Dean of the Graduate School...
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Tài liệu Customizing the Boot Sequence and System-Behavior Parameters doc
Ngày tải lên :
14/12/2013, 10:15
... and send reports directly to Microsoft, delete the DWFileTreeRoot entry Modifying the Boot Sequence To set the boot and system behavior parameters, click the Settings button in the Startup and ... Windows XP and Windows Server 2003 introduce further enhancements Let us consider these new features in more detail Configuring the Error Reporting Service To modify system behavior and the boot ... by editing the system registry and, at the same time, enforce these settings for all users who log on in the local system, the following: Start Regedit.exe and expand the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PCHealth\ErrorReporting...
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iec 60076-3 power transformers - insulation levels, dielectric tests and external clearances in a
Ngày tải lên :
25/12/2013, 10:34
... level a set of standard withstand voltages which characterize the dielectric strength of the insulation 3.3 standard insulation level aratedinsulation level, thestandard withstand voltages of ... by Information Handling Services 60076-3 O IEC:2000 7.3 -29- ' Dielectric tests The standard dielectric requirements are verified dielectric by tests shall, They where applicable and not otherwise ... withstand voltage of the neutral terminal and its connected winding(s) to earth and other windings, and along the winding(s) under test This test is required if a standard impulse withstand voltage...
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iec 60332-2_2 tests on electric and optical fibre cables under fire condition
Ngày tải lên :
25/12/2013, 10:58
... report on ONE STANDARD and ONE STANDARD ONLY Enter the exact number of the standard: (e.g 60601-1-1) Q6 standard is out of date standard is incomplete standard is too academic standard is too superficial ... concerning standardization in the electrical and electronic fields To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical ... This first edition of International Standard IEC 60332-2-2, together with IEC 60332-2-1, cancel and replace the third edition of IEC 60332-2, published in 1989, and constitute a technical revision,...
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iec 60332-1_1 tests on electric and optical fibre cables under fire condition
Ngày tải lên :
25/12/2013, 10:59
... report on ONE STANDARD and ONE STANDARD ONLY Enter the exact number of the standard: (e.g 60601-1-1) Q6 standard is out of date standard is incomplete standard is too academic standard is too superficial ... confirmatory test arrangement and guidance IEC Guide 104, The preparation of safety publications and the use of basic safety publications and group safety publications Terms and definitions For the ... This first edition of International Standard IEC 60332-1-1, together with IEC 60332-1-2, cancel and replace the third edition of IEC 60332-1, published in 1993, and constitute a technical revision,...
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iec 60332-1_2 tests on electric and optical fibre cables under fire condition
Ngày tải lên :
25/12/2013, 10:59
... report on ONE STANDARD and ONE STANDARD ONLY Enter the exact number of the standard: (e.g 60601-1-1) Q6 standard is out of date standard is incomplete standard is too academic standard is too superficial ... concerning standardization in the electrical and electronic fields To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical ... This first edition of International Standard IEC 60332-1-2, together with IEC 60332-1-1, cancel and replace the third edition of IEC 60332-1, published in 1993, and constitute a technical revision,...
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iec 60332-1_3 tests on electric and optical fibre cables under fire condition
Ngày tải lên :
25/12/2013, 10:59
... report on ONE STANDARD and ONE STANDARD ONLY Enter the exact number of the standard: (e.g 60601-1-1) Q6 standard is out of date standard is incomplete standard is too academic standard is too superficial ... safety publications and the use of basic safety publications and group safety publications ISO 187, Paper, board and pulps – Standard atmosphere for conditioning and testing and procedure for monitoring ... edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incorporating amendment and the base publication incorporating amendments and Informations supplémentaires...
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iec 60332-2_1 tests on electric and optical fibre cables under fire condition
Ngày tải lên :
25/12/2013, 11:00
... report on ONE STANDARD and ONE STANDARD ONLY Enter the exact number of the standard: (e.g 60601-1-1) Q6 standard is out of date standard is incomplete standard is too academic standard is too superficial ... This first edition of International Standard IEC 60332-2-1, together with IEC 60332-2-2, cancel and replace the third edition of IEC 60332-2, published in 1989, and constitute a technical revision, ... concerning standardization in the electrical and electronic fields To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical...
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Tài liệu New Generation Networks and Optical Network Testbeds doc
Ngày tải lên :
26/01/2014, 02:20
... 100Gbps optical path and QoS service 100Gbps optical path and QoS service provisioning between terabit-class LANs provisioning between terabit-class LANs >100Gbps optical 3R 32 Optical RAM for all -optical ... management for optical path provisioning between terabit-class LANs Optical path ISP network A Terabit-class optical LAN Optical path ISP network B Optical path ISP network C Terabit-class optical LAN ... >10Tb/s λ3 λ2 Optical IP Router WDM Optical Burst Switch WDM Optical MPLS Router OXC Full-mesh NW (Centralized Control) WDM 2010〜 Year Year 〜 OADM : Optical Add/Drop Multiplexer OXC : Optical Cross-connect...
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Báo cáo khoa học: "Age Prediction in Blogs: A Study of Style, Content, and Online Behavior in Pre- and Post-Social Media Generations" ppt
Ngày tải lên :
07/03/2014, 22:20
... Online -Behavior and Interests not statistically significant over Interests BOW, online -behavior, and lexical-stylistic features combined did best achieving accuracy of 77.45% and 80.88% in 1979 and ... Raghavan, and Andrew Tomkins 2004 Structure and evolution of blogspace Commun ACM, 47:35–39, December Amanda Lenhart, Kristen Purcell, Aaron Smith, and Kathryn Zickuhr 2010 Social media and young ... with the earlier shifts at 1977 and 1979, SMS messaging coincide with both the earlier and later shifts at 1979 and 1982, and the social networking sites, MySpace and Facebook coincide with the...
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Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures
Ngày tải lên :
16/03/2014, 15:15
... effects of size and shape of Si-nc on the incorporation of group-III (B and Al), group-IV (C and Ge) and group-V (N and P) impurities Single-doping has been investigated both in spherical and faceted-like ... the Si144BBPH100 (with an excess of B: B atoms and P) or the Si144BPPH100-nc (with an excess of P: B and P) and finally, adding simultaneously two B and two P atoms, we obtain the Si143BBPPH100-nc ... doping influences the electronic and optical properties Here, we aim to resume the main outcome of this work and illustrate specific results only for one single-doped and codoped H-passivated Si-nw...
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synthesis and optical properties of colloidal tungsten oxide nanorods
Ngày tải lên :
20/03/2014, 13:08
... localized states in the band gap due to impurities.22b In light of these assignments, we suggest that the UV emission of nanorod samples in this work might correspond to the band-toband transition The ... and the intensity of this peak increases relative to that of UV emission as the length of nanorods increases A similar PL pattern with two emission maxima, yet at much lower energies of 2.8 and ... 20 nm (medium), and 130 ( 30 nm (long) The strongest PL emission peaks appear at 3.60 eV (344 nm), 3.56 eV (348 nm), 3.55 eV (349 nm) for short (25 ( nm), medium (75 ( 20 nm), and long (130 (...
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