Tribological studies of ultra thin films at head media interface for magnetic data storage systems

... 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

... 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

... of sample B at 60°C Figure AFM images of the TiO2 thin films at different precursor temperatures (a) Sample A at 75°C and (b) sample B at 60°C Figure FT-IR spectra of the TiO2 thin films at different ... at a precursor temperature of 75°C such as (101), (200), (211), and (220) On the other hand, there is no peak for sample B thin films at a precursor...

Ngày tải lên: 21/06/2014, 17:20

... transparent and hydrophobic polymer We investigated the effect of thermal annealing on the secondary crystallization as a function of film thickness The effect of film thickness on the surface chemical ... properties of ultra- thin polymer films that are widely used in the industries today In this work, we investigated the thickness dependenc...

Ngày tải lên: 05/10/2015, 19:04

... 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

... (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

... to initiate resonant transport thus defines the conductance gap of the device The conductance gap changes with the difference of the adsorbates The adsorbates control the conductance gap as the ... semiconductor Applying a gate voltage leads to an increase/decrease in conductance The binding of molecules to a nanowire is analogous to applying a voltage using a gat...

Ngày tải lên: 16/03/2014, 15:32

... 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

... 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

... strain rate of Ta films with d of 10 and 20 nm The ml is determined from the slope of the lines The inset shows the Young’s modulus versus strain rate of Ta films with different values of d that of ... http://www.nanoscalereslett.com/content/6/1/186 the total time of deposition, the thickness of the films was kept at about μm Different temperature...

Ngày tải lên: 21/06/2014, 05:20

... end of the DNA; then the DNA molecule is stretched out by the force exerted on the rest of the DNA by the receding meniscus; and finally the other end also sticks to the substrate as it dries The ... between ssDNA and dsDNA The stretching force is increased to 50 pN to separate the newly synthesized strand from the template strand by destabilizing the...

Ngày tải lên: 22/06/2014, 18:20

... 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

... 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