Magnetic reversal and vortex chiralities in submicron cobalt dots

... From these curves with various temperature intervals, the magnetic The magnetic properties and charge-ordering state in 29 entropy change, ∆Smag, can be approximately calculated using isothermal ... external magnetic field by four-point probe technique The magnetocaloric effect measurement was performed in a pulse field Results and Discussion The XPD patterns of th...

Ngày tải lên: 05/03/2014, 14:20

... constants for Au face-centered cubic nanoparticles with 123 Fig a Plots of the variation in D and strain e with mean diameter, revealing the increase in magnetic anisotropic energy with increasing particle ... of Au nanoparticles a À a0 eð%Þ ¼ ðÂ100%Þ; ð6Þ a0 ˚ where a and a0 (4.076 A for bulk Au) indicate the lattice constants of the strained and unstrained crystal, re...

Ngày tải lên: 22/06/2014, 00:20

... creation of new selection rules during the process of the light absorption Therefore electronic states and direct inter-band light absorption are considered below for strongly oblate ellipsoidal quantum ... characteristics inside semiconductor SQ systems In particular in paper [15] the quantum effect of the magnetic field inside the of the strongly prolat...

Ngày tải lên: 22/06/2014, 19:20

... validation of the findings is minimal The aim of the present study was to assess US for the detection of inflammatory and destructive changes in finger and toe joints, tendons, and entheses in patients ... inflammatory and destructive changes in fingers and toes of patients with PsA The US interobserver agreement was high for bone changes but wa...

Ngày tải lên: 09/08/2014, 10:21

Ngày tải lên: 09/08/2014, 10:22

... Strøm et al Cobalt and copper in lambs (2003) observed marginal serum levels of vitamin B12 in sheep from a farm in south-east Norway, indicating a marginal or deficient cobalt status In northern ... Frøslie A, Norheim G: Copper, molybdenum, zinc Cobalt and copper in lambs and sulphur in Norwegian forages and their possible role in chronic copper poison...

Ngày tải lên: 12/08/2014, 15:20

... 70.5%) In patients with a pre- Table Cervical spine instability rates in obtunded/comatose blunt trauma patients with no apparent spinal deficit and negative comprehensive bony spinal column imaging ... (25 in 1,000) Table Cervical spine instability studies in obtunded/comatose blunt trauma patients with no apparent spinal deficit and...

Ngày tải lên: 13/08/2014, 11:22

... bleedingof prothrombin complex concentrate in: (a) patients requiring urgent reversal of vitamin K antagonist therapy; and (b) patients with severe bleeding * P < 0.001 vs before in prothrombin complex ... patients requiring urgent reversal of vitamin K antagonist therapy (reversal) or with severe bleeding (bleeding) (bleeding) There was a significant increa...

Ngày tải lên: 13/08/2014, 20:21

... 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

... Weimann and Ketterle in 2001 for their decisive contributions to BoseEinstein condensation and to Ginzburg, Abrikosov and Leggett in 2003 for their pioneering contributions to superfluidity and superconductivity ... Bose-Einstein condensate GLSE Ginzburg–Landau–Schr¨dinger equation o GLE Ginburg–Landau equation NLSE Nonlinear Schr¨dinger equation o CGLE complex Ginburg–Landau equ...

Ngày tải lên: 10/09/2015, 09:30

... promising candidates for spintronics materials The ferromagnetism mechanism in ZnO based and carbon based systems are probably similar [63] Therefore, to further study the ferromagnetism in carbon ... providing explanations for the high temperature ferromagnetism in ZnO materials, such as nonmagnetic metal clusters inducing ferromagnetism in metallic Zn doped...

Ngày tải lên: 10/09/2015, 15:50

... RECONMMENDATIONS 15 7 PUBLICATIONS 15 9 ACHIEVEMENT 16 1 REFERENCES 16 2 iv SUMMARY A combined experimental and numerical study on vortex breakdown structure and its dynamic behavior in a confined cylindrical ... LC1 state at Re = 2760 and Λ = 1. 704, and (b) an LC2 state at Re = 2750 and Λ = 1. 780, (each state is asymptotically stable) 81 xii Fig 5 .12 Varia...

Ngày tải lên: 14/09/2015, 14:02

... the analysis of the flow dynamics, as well as allowing still image to be captured via a frame grabber card in a PC For some cases, a high resolution still digital camera was also used to obtain ... the data was sampled and acquired over about 20 minutes, Re is nominally constant For those cases with fixed Reynolds number and varying Λ, rotation rate of the top disk was re-adj...

Ngày tải lên: 14/09/2015, 14:02

... experimental results Table presents the values and locations of three local maxima and minima of ψ and η at H/R = 2.5 and Re = 2494 with constant rotating speed The finite differential results ... rotating end 34 CHAPTER NUMERICAL SIMULATION METHOD Two kinds of rotating motions were considered: a constant rotation only and a constant rotation with a superimposed sinusoi...

Ngày tải lên: 14/09/2015, 14:02

... Co dots with various geometrical dimensions were obtained using vibrating sample magnetometer, showing two classes of magnetization reversal modes: single-domain switching and vortex- type reversal ... techniques and characterizing methods used in this project are introduced In Chapter IV, the magnetization reversal processes and vortex stability of submicron Co dot arr...

Ngày tải lên: 10/11/2015, 11:36