magneto optical properties of magnetic nanostructured matter

Electronic structure and magneto optical properties of solids   v  antonov, b  harmon, a  yaresko

Electronic structure and magneto optical properties of solids v antonov, b harmon, a yaresko

... magnetite Magneto- optical properties of magnetic multilayers 2.2.1 Magneto- optical properties of Co/Pd systems 2.2.2 Magneto- optical properties of Co/Pt multilayers 2.2.3 Magneto- optical properties of ... STRUCTURE AND MAGNETO- OPTICAL PROPERTIES OF SOLIDS TLFeBOOK This page intentionally left blank TLFeBOOK Electronic Structure and Magneto- Optical Properties of Solids by Victor Antonov Institute of Metal ... physical properties of layered structures including the MO properties Chapter of the book presents the MO properties of f band ferromagnetic materials Sections 3.1 devoted to the MO properties of 4f...

Ngày tải lên: 17/03/2014, 14:51

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optical properties of nanostructured metallic systems studied with the finite-difference time-domain method

optical properties of nanostructured metallic systems studied with the finite-difference time-domain method

... metal thickness and the study of optical properties of metal coated microspheres), the optical properties of metamaterials made with stacked hole arrays and the guiding of metallic waveguides (and ... the seed and the feed of this thesis It is a long list of collaborators working in the groups of Prof T.W Ebbesen, Prof S.I Bozhevolnyi, Prof D Bäuerle, Prof J.R Kreen, Prof A Dereux and A.V Kats ... this area To summarize, this thesis analyses a large number of topics of current interest in Nanophotonics and the optical properties of nanostructured metals, and presents a short introduction...

Ngày tải lên: 29/05/2014, 18:40

177 382 0
Báo cáo hóa học: " Synthesis, magnetic and optical properties of core/shell Co1-xZnxFe2O4/SiO2 nanoparticles" pot

Báo cáo hóa học: " Synthesis, magnetic and optical properties of core/shell Co1-xZnxFe2O4/SiO2 nanoparticles" pot

... magnetic and optical properties of the ferrite nanoparticles for a variety of magneto- optical nanodevice applications From a synthesis point of view exploring the effect of firing temperatures ... functional groups [32,33] Also, the silica shell can enhance the optical properties of the nanoparticles [34] The optical properties of the nanostructures have been investigated earlier using many ... ferrite nanoparticles) This is due to the effect of the change of color on the optical properties of the ferrite nanoparticles from black at CoFe2 O4 , to brown at Co 0.5Zn0.5Fe2 O4 and to orange...

Ngày tải lên: 21/06/2014, 01:20

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DEFECT INDUCED NOVEL ELECTRICAL, MAGNETIC AND OPTICAL PROPERTIES OF TIO2 THIN FILMS GROWN BY PULSED LASER DEPOSITION

DEFECT INDUCED NOVEL ELECTRICAL, MAGNETIC AND OPTICAL PROPERTIES OF TIO2 THIN FILMS GROWN BY PULSED LASER DEPOSITION

... STRUCTURAL, OPTICAL, ELECTRICAL AND MAGNETIC PROPERTIES IN Ti1-xTaxO2 THIN FILMS’,NUS) 50 Figure 11:In-plane magnetoresistance as a function of thickness 52 Figure 12: In-plane magnetoresistance ... the anatase phase of Ta substituted TiO2; making it a more interesting system for studying defect mediated magnetic phenomena 3 Physical Properties of TiO2 Bulk properties Of TiO227 Atomic radius ... reproduction of the stoichiometry of the charged material and in situ deposition of oxides without the requirement of any post-deposition process adds to the advantage of the technique On top of all...

Ngày tải lên: 08/09/2015, 15:20

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Electronic, magnetic and optical properties of atomically controlled complex oxide heterostructures and interfaces

Electronic, magnetic and optical properties of atomically controlled complex oxide heterostructures and interfaces

... 109 7.1.1 Optical Properties of LAO/STO Interface 109 7.1 Summary 109 7.1.2 Electrical Properties of LAO/STO Interface 109 7.1.3 Magnetic Properties of LAO/STO ... 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 substrate 79 Figure 4: Magnetic properties (a) The kOe field-cooled ... 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, Jae Sung Son,...

Ngày tải lên: 09/09/2015, 10:07

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Electronic, magnetic and optical properties of oxide surfaces, heterostructures and interfaces role of defects

Electronic, magnetic and optical properties of oxide surfaces, heterostructures and interfaces role of defects

... and magnetic properties of SrRuO3/LaAlO3 (SRO/LAO) superlattices By varying the thickness of SRO layers in the superlattices, we are able to modulate both electrical and magnetic properties of ... and magnetic properties of SrRuO3 film in superlattices 212 7.1 Transport properties of a 50 nm SrRuO3 film 213 7.2 SrRuO3/LaAlO3 superlattices 218 7.2.1 Evolution of transport ... comparison of (100)-oriented STO substrates with crystalline and amorphous overlayers of LAO of different thicknesses prepared under different oxygen pressures By virtue of transport, optical, ...

Ngày tải lên: 10/09/2015, 09:11

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Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures

Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures

... position of Fig 11), approaching asymptotically the value of the band-gap of the undoped Si-nw This is another indication of how doping can modify the electronic and optical properties of the Si ... systematic analysis of the effect of the B and P codoping in Si-nw, concentrating not only on the structural properties but also on how doping influences the electronic and optical properties Here, ... the electronic properties of the Si-nc are influenced by the insertion of more and more impurities We call this insertion of several impurities multidoping Fig shows how the FE of a large Si147H100-nc...

Ngày tải lên: 16/03/2014, 15:15

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Tripathy, optical properties of nano silicon

Tripathy, optical properties of nano silicon

... 1⋅82 Optical properties of nano-silicon 289 clear distinction between hydrogen free and hydrogenated clusters Figure Plots of gap energy as a function of number of Si atoms and effective size of ... Raman spectra of (a) nanocrystalline Si prepared by pulsed plasma processing and (b) porous silicon prepared by anodic etching using 488 nm line of Ar+ laser Optical properties of nano-silicon ... nano-silicon 287 time or with decreasing the thickness of the a-Si : H layer This results in termination of dangling bonds of the surface Si atoms of nanocrystalline silicon Nanocrystalline silicon...

Ngày tải lên: 16/03/2014, 15:31

5 448 0
First principles optical properties of silicon and germanium nanowires

First principles optical properties of silicon and germanium nanowires

... simple EMA models Optical properties of SiNWs and GeNWs In Section of the present paper, we aim to point out the importance of the many-body effects on the optical response of some of the studied ... onset of optical absorption is found only in the case of GeNWs and not in the case of SiNWs With the inclusion of the excitonic effects (bottom panels) we see that an important transfer of the ... different geometrical structure of wires grown with different orientation Finally the comparison of the optical spectra of SiNWs and GeNWs with diameters of the order of 0.8 nm, demonstrates that...

Ngày tải lên: 16/03/2014, 15:33

5 507 0
preparation and properties of magnetic iron oxide nanotubes

preparation and properties of magnetic iron oxide nanotubes

... the type of crystal structure conversion should be the two most important reasons Investigation of the magnetic properties of Fe3 O4 and ␥-Fe2 O3 nanotubes revealed that both the two magnetic ... and properties of single-crystalline ␥-Fe2 O3 nanowires The Journal of Physical Chemistry C, 111(13), 5034–5038 Huang, Z B., & Tang, F J (2005) Preparation, structure, and magnetic properties of ... synthesized products possess more properties of MD structures, the magnetic domain walls would exist inside the particles For MD materials, the movement of magnetic domain walls is the main reason...

Ngày tải lên: 20/03/2014, 13:06

6 553 0
synthesis and optical properties of colloidal tungsten oxide nanorods

synthesis and optical properties of colloidal tungsten oxide nanorods

... COMMUNICATIONS Comparing the intensities of the (010) and (014) peaks of the sample with those of the bulk W18O49, it was found that the relative intensity of (010) has been dramatically increased ... reaction temperature of 250 °C (Figure 3a).19 Longer nanorods of 130 ( 30 nm in length (aspect ratio ≈ 20) were prepared at 270 °C by using 12 equiv of oleylamine instead of 16 equiv (Figure 3b).19 ... on the lengths of nanorods Figure TEM micrographs of (a) ( 0.5 nm × 25 ( nm and (b) ( 1.5 nm × 130 ( 30 nm tungsten oxide nanorods Little is known about the photoluminescence of nanostructured...

Ngày tải lên: 20/03/2014, 13:08

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optical properties of solids

optical properties of solids

... studies of electronic properties of solids If we think of the optical properties for various classes of materials, it is clear from Fig 3.3 that major differences will be found from one class of materials ... at very low frequencies the optical properties of semiconductors exhibit a metal-like behavior, while at very high frequencies their optical properties are like those of insulators A characteristic ... Fundamentals of Semiconductors, Chapter • Wolfe, Holonyak and Stillman, Physical Properties of Semiconductors, Chapter 5.1 The Absorption Coefficient Measurement of the absorption of light is one of the...

Ngày tải lên: 24/04/2014, 17:13

198 330 0
optical properties of epitaxial bifeo3thin film

optical properties of epitaxial bifeo3thin film

... growth quality of the BFO thin film for further optical measurement and analysis Page of SE measurements were taken to investigate the optical properties of the BFO film Considering the optical investigation ... details Key Laboratory of Micro and Nano Photonic Structures, Ministry of Education, Shanghai Engineering Research Center of Ultra-Precision Optical Manufacturing, Department of Optical Science and ... layer/film structure, we should firstly obtain the optical response of the STO substrate and SRO buffer layer and then research the optical properties of the BFO thin film The ellipsometric spectra...

Ngày tải lên: 06/05/2014, 09:01

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evaluation  of  shape  and  size  effects  on  optical  properties  of  zno  pigment

evaluation of shape and size effects on optical properties of zno pigment

... large scale, and all of the nanorods have diameters of about 50 nm and lengths of 300 nm Fig (i–k) exhibits the FESEM images of nanoparticle-decorated ZnO pigment The surface of ZnO pigment was ... studies of multiple-scattering effects were carried out for randomly rough surfaces characterized by rms heights of the order of 5–10 nm, and transverse correlation lengths of the order of 100 ... the scattering properties of ice particles [33] The higher surface roughness of nanoparticle-decorated ZnO led to multiple scattering and increasing of the reflectance Presence of nanoparticles...

Ngày tải lên: 06/05/2014, 13:23

6 418 0
fabrication and optical properties of ordered sea urchin-like zno

fabrication and optical properties of ordered sea urchin-like zno

... the well-crystallized particles of prepared ZnO Fig 1b shows the UV–visible optical absorption characteristics of the sea urchin-like ZnO Excitonic absorption peak of the ZnO sample is at about ... analysis results of Fig 2d For analyzing the photoelectric properties of the sea urchin-like ZnO nanostructures, simple battery devices were fabricated Fig shows the I–V curve of the sea urchin-like ... (a) and UV–visible optical absorption characteristics (b) of the sea urchin-like ZnO nanostructures Fig SEM images (a,b), TEM image (c), HRTEM image (d) and SAED pattern (e) of the sea urchin-like...

Ngày tải lên: 06/05/2014, 13:23

3 376 0
synthesis and optical properties of au-ag alloy nanoclusters with controlled composition, p26

synthesis and optical properties of au-ag alloy nanoclusters with controlled composition, p26

... the reduction potential of Ag (0.8 V) is smaller that the reduction potential of Au (1.5 V), the velocity of reduction of Au ions is faster than the velocity of reduction of Ag ions So, an increasing ... reduction of HAuCl4 does not permit a complete dissolution of silver salts and therefore reduction of Ag+ ions due to spontaneous formation of AgCl(s) Considering the solubility product (Kps) of AgCl(s) ... Structure of Bimetallic Nanoparticles”, Physical Review Letters, Vol 92, P 196102, 2004 [5] R Kubo, “Electronic Properties of Metallic Fine Particles I”, Journal of Physical Society of Japan,...

Ngày tải lên: 04/06/2014, 15:20

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Báo cáo sinh học: " Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light emitting diodes" pot

Báo cáo sinh học: " Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light emitting diodes" pot

... physical properties of ZnO nanostructures [19] The irradiation changes the amount of defects in ZnO nanorods resulting in changes in the optical properties of ZnO The effect of the ion irradiation of ... minor effect on optical properties of the LED devise after irradiation with moderate fluences Conclusion In summary, the influence of He+ ion irradiation on the optical properties of ZnO nanorods ... Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light-emitting diodes N H Alvi*1, S Hussain1, J Jensen2, O Nur1, and M Willander1 Department of Science and...

Ngày tải lên: 18/06/2014, 22:20

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báo cáo hóa học:" Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light emitting diodes" pdf

báo cáo hóa học:" Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light emitting diodes" pdf

... physical properties of ZnO nanostructures [19] The irradiation changes the amount of defects in ZnO nanorods resulting in changes in the optical properties of ZnO The effect of the ion irradiation of ... minor effect on optical properties of the LED devise after irradiation with moderate fluences Conclusion In summary, the influence of He+ ion irradiation on the optical properties of ZnO nanorods ... Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light-emitting diodes N H Alvi*1, S Hussain1, J Jensen2, O Nur1, and M Willander1 Department of Science and...

Ngày tải lên: 20/06/2014, 04:20

13 366 0
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