Development of Laser Beam Diffraction Technique for Determination of Thermal Expansion Coefficient of Polymeric Thin Films

... (α) by Eq 2.2 Determination of thermal expansion coefficient of some polymers From thermal expansion coefficient references the thermal expansion coefficient some kinds of popular materials was ... derivative technique d P3HT For measurering the thermal expansion coefficient of the pure P3HT and PTC, a solution of 10 mg of P3HT and PTC in chloroform w...

Ngày tải lên: 24/10/2016, 11:18

Ngày tải lên: 13/11/2014, 09:34

... (311) planes of cubic CdS [10] Fig Typical X-ray diffractogram of CdS thin films as grown Inset shows XRD pattern of the CdS thin films reported in [9] Table Standard ASTM card for CdS [10] 2θ ... spectra of thin films growth by the spray pyrolysis technique consist of a characteristic red band centered at about 698 nm The apparition of this red band may...

Ngày tải lên: 14/03/2014, 13:20

... Electrospray deposition of polymer thin films for organic light-emitting diodes Wontae Hwang1, Guoqing Xin1, Minjun Cho1, Sung Min Cho1, and Heeyeop Chae*2 School of Chemical Engineering, ... Abstract Electrospray process was developed for organic layer deposition onto polymer organic light-emitting diode [PLED] devices in this work An electrospray can be u...

Ngày tải lên: 20/06/2014, 23:20

... electronic and magnetic properties of epitaxially grown transition metal doped TiO2 thin films by pulsed laser deposition technique on different metal oxide substrates Crystal Structure of TiO2 TiO2 ... magnetic semiconductor applications The objective of this thesis is to investigate the defect induced electrical, optical, magnetic and structural p...

Ngày tải lên: 08/09/2015, 15:20

... TRIBOLOGICAL STUDIES OF ULTRA- THIN FILMS AT HEAD/ MEDIA INTERFACE FOR MAGNETIC DATA STORAGE SYSTEMS EHSAN RISMANI-YAZDI (B E, Isfahan University of Technology, Isfahan, ... common devices for mass storage of information Hard drives are magnetic storage devices in which data is recorded as magnetized bits on the surface of a thin layer of ferrom...

Ngày tải lên: 09/09/2015, 10:17

... potential of BTS thin films The efforts toward improving the tunable and pyroelectric properties of BTS thin films have demonstrated the appealing prospective applications of BTS thin films in the ... investigating the tunable and pyroelectric properties of the B-site doped BaTiO3, i.e., Ba(Ti1-xSnx)O3 (BTS) thin films The effects of stress and micros...

Ngày tải lên: 10/09/2015, 15:48

... method of pulsed laser deposition (PLD); investigate the growth mechanism of high quality MgO films on silicon Fabricate highly oriented CoFe2O4 films on silicon with the help of MgO buffer layer and ... thesis 2.1.1 Pulsed- laser deposition One of the most significant approaches to oxide film growth is pulsed- laser deposition Pulsed- laser dep...

Ngày tải lên: 07/10/2015, 10:10

... Hwang et al.: Structural and optical properties of ZnS thin films deposited by RF magnetron sputtering Nanoscale Research Letters 2012 7:26 Author details School of Materials Science and Engineering, ... temperatures on the structural properties of the films has been investigated, and the optical properties of the films have also been analyzed Met...

Ngày tải lên: 20/06/2014, 21:20

... al.: Structural and thermal studies of silver nanoparticles and electrical transport study of their thin films Nanoscale Research Letters 2011 6:434 Submit your manuscript to a journal and benefit ... http://www.nanoscalereslett.com/content/6/1/434 Page of A B Figure FETEM and HRTEM images of silver nanoparticles (a) FETEM image of silver nanopartic...

Ngày tải lên: 21/06/2014, 02:20

... distortions: one originates from the tilt of the WO6 octahedral and the other is the deviation of tungsten atom away from the center of the octahedron [51] These distortions, occurred as a consequence ... of the film thickness [144] 22 1.5 Investigations on electrochromism of metal/metal oxide doped WO3 films In the Section 1.4, it is explained that the pr...

Ngày tải lên: 09/09/2015, 11:16

... 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...

Ngày tải lên: 11/09/2015, 09:16

... rapid decrease of free volume and permeability over time (Witchey-Lakshmanan et al., 1990; Pinnau et al., 1997; Nagai and Nakagawa, 1995; Takada et al., 1980; Hamano et al., 1988; Asakawa et al., ... et al., 1990; Pinnau et al., 1997; Nagai and Nakagawa, 1995; Takada et al., 1980; Hamano et al., 1988; Asakawa et al., 1989; Yampol’skii et al., 199 3a; Dorkenoo and Pfromm, 2000; Tasak...

Ngày tải lên: 26/09/2015, 10:13

... study magnetic and structural properties of FePt -Ag thin films, the first step is to fabricate the materials Characterization of the thin films provided information about structural and magnetic ... coupling and recording performance Chapter • Correlation between the microstructure and magnetic properties in cosputtered FePt -Ag thin films • Sequent...

Ngày tải lên: 30/09/2015, 06:41

... investigation on BaTiO3 thin films to study the influence of the surface effect on the lattice and electronic structure of the material II MODELLING Among ab initio methods, Hartree-Fock method ... sites The other is that the crystal reconstruction due to the coordination number imperfection of surface atoms (the surface relaxation) leads to the...

Ngày tải lên: 30/10/2015, 19:59