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

... 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 transport ... [(a) and (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= ... (b)] 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...

... not all defects in oxides are detrimental for applications Instead, they have their own specific roles in determining the electronic, magnetic and optical properties of oxides and oxide heterostructures ... 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 ... 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...

... micro- fabricated cantilevers were used to investigate the stresses and density changes upon crystallization in amorphous thin films Two classes of materials with distinct properties and significant ... of Young’s modulus and coefficients of thermal expansion of amorphous Cu-Zr thin films - 162 7.1 Measurement of Young’s modulus of amorphous Cu-Zr thin films - 162 7.1.1 ... equipment, Prof Chua Soo Jin from the Institute of Materials Research and Engineering (IMRE) for my access to the sputter equipment, and Dr Yu Hongbin from the NUS Department of Mechanical Engineering...

... J/cm2, and the shot area on the target surface was 0.042 cm2 Before the deposition, there should be pre-deposition process for The deposition process continued for 30 The structural and (a) (b) optical ... http://www.nanoscalereslett.com/content/6/1/552 (a) Au catalyst Page of (c) EDS (b) (103) ZnO NW nm Figure TEM images of 3SZO NW (a) The location and the size of the Au catalyst, the present of Au catalyst, is demonstrated the ... enables the synthesis of oxide NWs while controlling the doping concentration feature The doping could be controlled by adjusting the target composition since it guarantees the transfer of the composition...

... XRD pattern can confirm the synthesis of a -Fe2O3–Au and Fe3O4–Au hybrid nanorods Fe3O4–Au and a -Fe2O3–Au hybrid nanorods show the combined magnetic and optical properties, which originate 123 1758 ... respectively, which further confirm the synthesis of Fe3O4– Au hybrid nanorods IR analysis was employed to further confirm the synthesis of a -Fe2O3–Au and Fe3O4–Au hybrid nanorods (Fig 6) It can be ... layer-by-lay assembly and (curve b) after layer-by-lay assembly; nitrogen adsorption and desorption isotherms of FeOOH nanorods c before layer-by-lay assembly and e after layer-by-lay assembly at...

... optimization of device performance requires a well-established knowledge of the electrical and optical properties of GaSe thin films, in this paper, we report the results on electrical and optical ... respectively, and K is Boltzmann constant On the basis of best fitting of our data with thermally activated type of conduction, the values of activation energy and pre-exponential factor are calculated, and ... energy (hm) of thin films of a-GaxSe100-x nanorods solids The presence of high concentration of localized states in the band structure is responsible for the decrease in optical band gap on increasing...

... 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 nanostructures Conclusions 3.2 3.4 ... 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, ... concentrate on the dependence of the doped Si-nw properties on the dopant concentration, we note first that on augmenting the number of atoms in the cell (thus lowering the dopant concentration),...

... arc-lamp, excitation at 275 nm) of the three tungsten oxide nanorod samples of various lengths dissolved in dichloromethane Figure Photoluminescence spectra of tungsten oxide nanorods; 25 ( nm (short), ... 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 tungsten oxides.21 Figure shows the room-temperature ... 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...

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... direction of magnetic moment of A ions and magnetic moment of B1 and B2 ions Comparing MSt and MSe from Tab 2, we could determine the canting angle between magnetic moments of B1 and B2 ions in ... superparamagnetic properties of Ni -Zn ferrite for nano-bio fusion applications ware reported [13] In this paper we study magnetic and electric properties including canting structure of Ni -Zn ferrites ... lattice constant and volume of unit cell increase with Zn content in the samples due to larger ionic radius of Zn2 + ion (0.82 Å) substituted for Ni2+ ion (0.78 Å) The X-ray density, the real density...