optical electrical and other properties

... O2p and Ti3d bands exists in the anatase polymorph too Even though, the electronic band structure for the anatase and the rutile structures are not that different their electrical transport, optical ... 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 ... O K edge of the pure TiO2 and Ti1-xTaxO2 (x~0.06) films grown at 600 and 750°C where µ+ and µ- are parallel and antiparallel alignments between the photon helicity and the sample magnetisation...

Ngày tải lên: 09/09/2015, 18:49

... was 0.45 mm, and the thickness of the enamel layer was approximately 0.05 mm The primary and secondary windings had 20 turns The outer and inner diameters of the capillary were 3.2 and 2.3 mm, ... experimental investigations of electric and magnetic properties of ferro-nanofluids on transformers and prepared the draft, PH proposed the phenomena for investigation and revised the manuscript, DS suggested ... Brownian and Neel relaxation in magnetic fluids J Magn Magn Mater 1999, 201:102-104 doi:10.1186/1556-276X-6-264 Cite this article as: Tsai et al.: Investigation of electrical and magnetic properties...

Ngày tải lên: 21/06/2014, 04:20

... Contact (Rc) and sheet (Rsheet) resistances measured by CTLM 123 1766 Nanoscale Res Lett (2010) 5:1762–1767 and forming gas (Ar: H2) anneal on the cells’ electrical and photovoltaic properties ... the electrical properties (Fig 6) With increasing forming gas annealing temperature, there is a clear change in both dark and light I–V curves Information about the parasitic resistances (Rs and ... (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...

Ngày tải lên: 21/06/2014, 07:20

... duration and prolonged use between 200 and 350 °C without much deterioration in mechanical and other properties Polyimides are produced by the condensation reaction of an aromatic dianhydride and ... mechanical properties, but also the electrical properties much superior to the one reported so far Experimental Materials MWCNTs were synthesized using toluene as a carbon source and ferrocene ... subsequently added and stirred at 70 °C for h After the reaction, the whole reaction mixture was filtered and the solid residue (MWCNTs-COCl) was washed several times with anhydrous THF and dried at...

Ngày tải lên: 22/06/2014, 01:20

... very sensitive tool for the characterization of acceptor/donor impurities and is helpful in understanding the optical and electrical performances of the materials We focused on the temperature-dependent ... Photoelectric properties of ZnO films doped with Cu and Ag acceptor impurities Semiconductors 2003, 37:259 25 Kang HS, Ahn BD, Kim JH, Kim GH, Lim SH, Chang HW, Lee SY: Structural, electrical, and optical ... silver impurity on the structural, electrical, and optical properties of ZnO nanowires Nanoscale Research Letters 2011 6:552 Submit your manuscript to a journal and benefit from: Convenient online...

Ngày tải lên: 20/06/2014, 22:20

... the electrical and optical properties of this compound in thin film formation Since the optimization of device performance requires a well-established knowledge of the electrical and optical properties ... applications for frequency doubling and fast optical gating [11] and behaves as an X-ray detector [12] Electronic and optoelectronic properties of GaSe, GaS, and InSe materials indicate the possibilities ... lone-pair states and hence broaden the valence band This will give rise to additional absorption over a wider range of energy leading to band tailing and hence shrinking of the band gap The optical gap...

Ngày tải lên: 21/06/2014, 17:20

... the other hand, the sensitivity of sensor to other gases such as petrol, butane and methane is very low, though gas concentration is 1000 ppm Fig shows the relationship between sensitivity and ... of the electrical properties and gas-sensing mechanism of WO3 -based sensors revealed that the calcining and operating temperature of sensor obviously in¯uence on the resistance change and gas ... the sensor for ethanol and petrol 100 ppm, and for butane and methane 1000 ppm 642 W Yu-De et al / Solid-State Electronics 45 (2001) 639±644 speci®c area of the material, and the operating temperature...

Ngày tải lên: 19/03/2014, 16:48

... spectroscopic properties, which can be used to investigate ligand-dependent and pH-dependent structural properties [9,14–19] Heme binds to HSA in a D-shaped cavity limited by Tyr138 and Tyr161, ... time of the protein and shorter than their own relaxation time [36,37] There- tHSA contains the complete primary heme-binding site, and shows optical and magnetic spectroscopic properties comparable ... interface between domains I and III, and are stabilized by salt bridges with Arg114 and Lys190 residues [21,22] Interestingly, the heme site of HSA has a low affinity for long-chain and medium-chain fatty...

Ngày tải lên: 23/03/2014, 04:21

... aesthetic properties He states that second-solution advocates “tend to attribute non-perceptual artworks properties that appear to stand to those works as standard aesthetic properties stand to ... wit, and cleverness to Fountain”.4 Second-solution defenders will agree that there are many similarities between non-perceptual properties, such as wit and daring, and perceptual aesthetic properties ... labels this theory ‘the second solution’ and describes it as accepting propositions (S) (aesthetic properties depend on properties perceived by the five senses) and (X) (there are some artworks that...

Ngày tải lên: 30/03/2014, 16:20

... band, and h ( h ) for hole in valence band; they create (annihilate) the carrier with spin projection  for electrons and  for holes Considering negligible the piezoelectricity and the band-mixing ... Fabrication of Broadband Superluminescent Diodes S Haffouz and P.J Barrios Chapter Influence of Optical Phonons on Optical Transitions in Semiconductor Quantum Dots 29 Cheche Tiberius and Emil Barna ... the optical coherence tomography (OCT) technique, and identification of its advantages compared to other imaging techniques in medical research and clinical practices OCT is a real time and non-invasive...

Ngày tải lên: 26/06/2014, 23:21

... Literature Review 1.2 PROPERTIES OF THE VISUAL SYSTEM IN PRIMATE AND HUMAN BRAIN Understanding the visual system‘s structure and function is vital to understanding how, when and where in the brain ... outline its pros and cons, and discuss areas of concern and point out potential improvements in collecting and analysing EEG data Subsequently, I will present the theoretical and empirical developments ... sub-networks – one connected to the parietal and motor cortices, and another to the temporal and the parahippocampal structures, resembling dorsal and ventral pathways 18 Literature Review (Wang,...

Ngày tải lên: 22/12/2014, 20:09

... ordered (CO) manganites, on the destruction of CO state and other physical properties, i.e structural, electrical, magnetic and magnetothermal properties, with an emphasis on magnetocaloric effect ... method, dc electrical, magnetic, magnetothermal and thermal expansion (strain), characterization techniques Chapter-3 describes the electrical, magnetic, thermal expansion and magnetocaloric properties ... 100 4.4 DC magnetic properties and phase diagram -114 4.5 DC electrical properties 131 4.6 Magnetocaloric properties ...

Ngày tải lên: 09/09/2015, 17:53

... Leong and Ms Xiao Yun for the support during my candidature Thanks to all the friends for the pleasant time we have shared in ISML and in Singapore I would like to thank my parents and little brother, ... MAGNETO-TRANSPORT, MAGNETO -OPTICAL AND DYNAMIC PROPERTIES OF FERROMAGNETIC NANOSTRUCTURES LIU XINMING (M.Eng, HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY) A THESIS SUBMITTED FOR ... fundamental research and their potential in a wide range of emerging applications In this thesis, a systematic investigation of magneto-transport, magneto -optical and dynamic properties of Co/Pd...

Ngày tải lên: 10/09/2015, 09:10

... Magnetocaloric effect and magnetothermopower in xLaxSr0.3MnO3 Sm0.7- 196 6.1.2 Electrical, magnetic and magnetothermal properties of La0.7-xPrxCa0.3MnO3 198 6.1.3 Electrical and thermal ... (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= 0.5 [(c) and ... x= 0.5 [(c) and (d)] and x= 0.6 [(e) and (f)] compounds 106 Figure 3.23: Temperature dependence of ′ and ′′ at f = 100 kHz [(a) and (b)] and f = MHz [(c) and (d)] under 0H = 0-5...

Ngày tải lên: 10/09/2015, 09:11

... Bhuyan, Mr Manish Singh and other friends for their help and support I place my deep sense of indebtedness to my Father (Mr Jitendra Kumar Barik), Mother (Mrs Janaki Barik), Grandmother (Late Pagili ... 3.3.3 Dc electrical and magnetotransport properties -69 3.3.4 Calorimetric properties 75 3.3.5 Discussions of dc electrical and magnetic properties ... structure, dc electrical and magnetic properties -190 6.1.1.2 Magnetocaloric properties -191 6.1.1.3 Magnetoimpedance properties 192 6.1.1.4 Dielectric properties...

Ngày tải lên: 10/09/2015, 15:52

... electronic and electrical properties of the conducting polymers Hence, control of the HOMO-LUMO gap and specifically the design of low band gap polymers have gained importance in recent years The band ... Wee, Dr Xingyu Gao, and Shi Chen Lastly, I am also indebted to all the other members of the ONDL who have helped me in one way or another and made my PhD journey memorable and rewarding Finally ... the top and bottom interfaces across the film thickness direction Yet the properties of the polymer chains at the interfaces are the most important to understand field-effect transport and charge...

Ngày tải lên: 11/09/2015, 10:15

... material properties (structural, electrical, and optical) of as-prepared and rapid thermal processed (oxidation and annealed) Si1−xGex and Si1−x−yGexCy alloys grown by RTCVD The structural properties ... alloys 2.2.4 Electrical properties of oxide/ Si1-xGex system 2.2.5 Optical transition of Si1-xGex films 2.3 Review of strained Si1-x-yGexCy alloys 2.3.1 Band aligment and electrical properties ... the E1 and E1+∆1 band gaps of relaxed Si1−xGex/Si and the 29 viii estimated band gaps of strained layer using Eq (2.11)-(2.15) Fig 2.9 Valence-band offsets for compressive strained Si1-xGex and...

Ngày tải lên: 17/09/2015, 17:18

... 11 2.3 OPTICAL PROPERTIES OF TCOS 2.3 Optical Properties of TCOs For transparent conductive oxides, the most widely investigated optical properties are transmission, reflection, band-gap, and refractive ... deposition The optical and mechanical properties of the films were investigated by the Z-scan technique and nanoindentation Upon laser bombardment, the film experienced optical annealing and film transmittance ... called “random laser” effect resulting from intense optical pulse excitation [29] 12 2.3 OPTICAL PROPERTIES OF TCOS This phenomenon is due to strong optical scattering of photons in a random active...

Ngày tải lên: 27/11/2015, 12:13

... investigated Chapter Optical Antenna Applications and Properties 2.1 Optical Antenna Applications The advent of antenna concepts in the optical regime has introduced a new vision of antennas and their capability ... metals in the lower valence band may jump to higher bands This phenomenon contribute to their Optical Antenna Applications and Properties dispersive permittivity and finite conductivity [28] ... plas- Optical Antenna Applications and Properties monic resonances are prevented by the inherent damping of the metal like the optical detection of hydrogen in palladium [30] 2.2 Optical Properties...

Ngày tải lên: 10/12/2016, 09:58

... in SHR and WKY rats Ann Lab Clin Sci 1986;16:419-426 32 Grant KE, Chandler RM, Castle AL, Ivy JL: Chromium and exercise training: effect on obese women Medicine and Science in Sports and Exercise ... for the 20th Century: Chronic and Disabling Conditions 12:1.6, October 2000 Wotecki CE, Welsh SO, Raper N, Marston RW: Recent trends and levels of dietary sugar and other caloric sweeteners In: ... blood pressure and catecholamine excretion in SHR and WKY Am J Physiol 1986;250:E381-385 Kopilas MA, Dang LNT, Anderson HDI: Effect of dietary chromium on resistance artery function and nitric oxide...

Ngày tải lên: 26/10/2012, 08:57