Study of spin dependent transport phenomena in magnetic tunneling systems

... Introduction to spintronics physics – spin- dependent transport in ferromagnets (FM) The foundation of spintronics is based on the influence of the spin of an electron on its transport properties in FM ... sensitivity of spin- dependent tunneling (in MTJs and granular films) compared to spin- dependent scattering in metallic GMR structures is because the number...

Ngày tải lên: 09/09/2015, 10:15

... behind these results began to attract ever-growing interest In spintronic devices, the electron -transport is spin- dependent The theoretical study of spin- dependent transport (SDT) is to set up theoretical ... intensive interest since 1980s One of the most important aspects of the theoretical study of spintronics is to model the spin dependent transport...

Ngày tải lên: 11/09/2015, 09:57

... understanding of the mechanism of microwaveassisted magnetization reversal and study the influence of shape and patterning effects on the reversal process, and (b) To suggest improvements in current ... regardless of material parameters and geometry It demonstrates its versatility by detecting an indirect signature of domain nucleation and switching in large area t...

Ngày tải lên: 09/09/2015, 11:30

Ngày tải lên: 04/06/2014, 14:41

... quasi-classical transport theory based on Boltzmann’s equation with the collision integral taken within the relaxation time approximation, the conductivity for vertical transport in SL minibands at ... considered at the top of the Coulomb potential at the barrier Horizontal dashed lines indicate the bottom of the first miniband and the top of the second m...

Ngày tải lên: 21/06/2014, 05:20

... taken into account 1.2 MATHEMATICAL MODELING OF LITHIUM- ION BATTERIES 1.2 Mathematical modeling of lithium- ion batteries Mathematical modeling and computational analysis are extensively employed in ... transition metal employed for the positive electrode (1.3) 1.1 OVERVIEW OF LITHIUM- ION BATTERIES Figure 1.2: Schematic of a lithium- ion battery opera...

Ngày tải lên: 09/09/2015, 08:12

... declare that the thesis is my original work and it has been written by me in its entirety I have duly acknowledged all the sources of information which have been used in the thesis This thesis has ... information which have been used in the thesis This thesis has also not been submitted for any degree in any university previously _ Karthik Somasundaram 17 October 2012 à

Ngày tải lên: 09/09/2015, 17:54

... Generating Spin Currents and Polarization Spin currents are electronic currents with a finite spin polarization, i.e comprising of unequal numbers of spin- up and spin- down carriers In pure semiconductors, ... used as spin filters in which unpolarized input currents result in spin- polarized output currents However, nonmagnetic means of generating spin curr...

Ngày tải lên: 14/09/2015, 08:27

... understanding of transport phenomena in fuel cells, and become an indispensable tool in fuel cell research and development The beginning of modeling of fuel cells can be traced back to the work of Sampath ... output of a given fuel cell stack will depend on its size Increasing the number of cells in a stack increases the voltage, while increasing the surfac...

Ngày tải lên: 15/09/2015, 22:19

... point of material form, studies on exchange bias can be relatively divided into categories: exchange bias in particles, exchange bias in nanostructures and exchange bias in (continuous) thin ... UNIVERSITY OF TECHNOLOGY INTERNATIONAL TRAINING INSTITUTE FOR MATERIALS SCIENCE (ITIMS) Batch ITIMS – 2005 Title of MSc Thesis: Study of perpendicular exchange bia...

Ngày tải lên: 06/11/2012, 10:35

... research study aims at developing a competitive strategy for jacket category at the Thanglong Garment Company (Thaloga) in Vietnamese market Like other companies in the textile and garment industry, ... xxviii CHAPTER INTERNAL ANALYSIS 4.1 Company profile Thanglong Garment Company (Thaloga) is a state owned company belonging to Vietnam Textile and Garmen...

Ngày tải lên: 23/04/2013, 10:29

... operating system Figure Computational mesh of a tubular-shaped ambient air-breathing PEM micro fuel cell (quadratic) The values of the electrochemical transport parameters and the material properties ... fuel cell performance 2.1 Computational domain A schematic description of a tubular-shaped air-breathing PEM micro fuel cell is shown in Figure 1a...

Ngày tải lên: 05/09/2013, 14:58

... “Communication is, rather, the successful interpretation by an addressee of a speaker’s intent in performing a linguistics act” (Georgia M Green, Natural Language Understanding, p.1) And a linguistics ... data that reveal the cultural orientation of language learners (In many languages, compliment responses require the language user to walk a delicate line between appearin...

Ngày tải lên: 14/12/2013, 00:41

... 2 vinh university foreign language department == ==  == == the study of positive politeness strategies manifested in conversations in "wuthering heights" graduation thesis Field: Linguistics ... 2.1 Positive politeness strategies manifested in conversations in “ Wuthering Heights The frequency of occurrence of positive politeness str...

Ngày tải lên: 18/12/2013, 21:45