Spin orbit interaction induced spin separation in platinum nanostructures
... 129 A Experimental results: VsH against Iy 143 B Spin- Orbit Interaction Induced Spin- Separation in Platinum Nanostructures C Giant spin Hall conductivity in platinum at room temperature 147 148 ... which includes the spin- spin interactions will lead to the proper definition of the spin current It is pointed out that the spin- spin interactions provide a microscopic...
Ngày tải lên: 14/09/2015, 08:25
... InAs/GaAs quantum dot with a spinorbit interaction Phys Rev B 2009, 79:165427 32 Pfund A, Shorubalko I, Ensslin K, Leturcq R: Dynamics of coupled spins in quantum dots with strong spin- orbit ... T-shaped spin filter with a ring resonator J Appl Phys 2003, 94:4001 12 Yamamoto M, Kramer B: A three-terminal spin filter induced by spin- orbit interaction in the presence of...
Ngày tải lên: 21/06/2014, 02:20
... Doctor of Philosophy Optical time resolved spin dynamics in III-V semiconductor quantum wells Matthew Anthony Brand This thesis presents time- resolved measurements of the spin evolution of transient ... relaxation in InGaAs/InP was due the native interface asymmetry present in the structure or if spin relaxation is generally fast in InGaAs wells (see chapter...
Ngày tải lên: 06/04/2013, 10:57
spin dependent transport in magnetic nanostructures, 2002, p.283
Ngày tải lên: 04/06/2014, 14:41
Báo cáo hóa học: " Anisotropic in-plane spin splitting in an asymmetric (001) GaAs/AlGaAs quantum well" docx
... Dresselhaus spin- orbit coupling can significantly affect the in- plane spin splitting at B > combining the asymmetric confinement potential via the numerical comparison with the proper anisotropic Zeeman ... B//[1-10] 0.030 Conclusions We observed the anisotropic in- plane spin splitting of the conduction-band electron in an asymmetric (001) GaAs/ AlGaAs quant...
Ngày tải lên: 21/06/2014, 00:20
Báo cáo hóa học: " Spin effects in InAs self-assembled quantum dots" pot
... spin injection in a ferromagnetic semiconductor heterostructure Nature 1999, 402:790 doi:10.1186/1556-276X-6-115 Cite this article as: dos Santos et al.: Spin effects in InAs self-assembled quantum ... self-assembled quantum dots Phys Rev B 2000, 62:13595 Vdovin EE, Levin A, Patanè A, Eaves L, Main PC, Khanin YN, Dubrovskii YV, Henini M, Hill G: Imaging the electron wave f...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Room temperature spin diffusion in (110) GaAs/ AlGaAs quantum wells" doc
... in a QW can be approximated Figure Power-dependence spin diffusion coefficient and spin lifetime (a) Spin diffusion coefficient Ds versus pump power, i.e., spin 0 density; the blue line ... Optical spin orientation in (110) GaAs quantum wells at room temperature Phys Status Solidic 2007, 4:475, Ohno Y, Terauchi R, Adachi T, Matsukura F, Ohno H: Spin relaxation...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Electron-Spin Precession in Dependence of the Orientation of the External Magnetic Field" docx
... study the electron-spin dynamics in dependence of the orientation (h) of the magnetic field The spin precession frequency, amplitude, and decay rate as a function of h are estimated and their dependences ... electron spin and rapidly relaxing spin of the hole Since gk and g\ are close in magnitude, the contribution from a difference in the spread of thei...
Ngày tải lên: 22/06/2014, 00:20
Charge and spin transport in graphene based devices
... for spin- up and spin- down charges The spin polarization in ferromagnetic material can be described as (2.2) and the net spin current is Since the net charge current is , the spin- up and spin ... BI-LAYER GRAPHENE7 1 4.1 INTRODUCTION 71 4.2 SPIN TRANSPORT IN EXFOLIATED SINGLE LAYER AND BI-LAYER GRAPHENE 72 4.3 SPIN TRANSPORT IN CVD SINGLE LAYER...
Ngày tải lên: 09/09/2015, 11:18
Exchange bias characteristic in co pd n FEMN bi layered thin films with perpendicular anisotropy and the applications for spin valves in spintronics
... OPTIMIZATION OF PERPENDICULAR EXCHANGE BIAS 81 93 97 CHARACTERISTICS IN [Pd /Co] /FeMn THIN FILM SYSTEM 5.1 Introduction 97 iii 5.2 The effect of the seed layer on PEB [Pd /Co] /FeMn and FeMn/ [Co/ Pd] thin ... along the in- plane direction, and (e) a schematic diagram illustrating the spin configuration of Si/Ta(2)/ [Pd( 0.6) /Co( 0.23)] /FeMn( 11.6 nm)/Ta e...
Ngày tải lên: 10/09/2015, 15:53
Theoretical study of spin currents in semiconductors
... 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
Báo cáo y học: "Influence of Cyclodextrin Complexation with NSAIDs on NSAID/Cold Stress-Induced Gastric Ulceration in Rats"
... mechanism of action of all NSAIDs is the inhibition of the biosynthesis of prostaglandins by blocking the activity (selectively and/or non-selectively) of two isoforms of cyclooxygenase enzyme (COX-1 ... gastrointestinal tract [17] Gastric ulceration induced by oral administration of flurbiprofen was significantly decreased by the presence of CDs, in particular by β-CD...
Ngày tải lên: 26/10/2012, 08:57
Báo cáo y học: "A pilot study of rizatriptan and visually-induced motion sickness in migraineu"
... comparable study of visually-induced motion sickness We were especially interested in replicating and extending research by Drummond and Granston that showed that visually-induced motion sickness in ... herein extends this line of research by combining a visual motion sickness- inducing stimulus with pain and pre-treatment with rizatriptan In this study, r...
Ngày tải lên: 26/10/2012, 09:57
Tài liệu Báo cáo khoa học: Reversible tetramerization of human TK1 to the high catalytic efficient form is induced by pyrophosphate, in addition to tripolyphosphates, or high enzyme concentration ppt
... TK1 In the first crystal structure of TK1- type enzymes of human and mycoplasmic origin [14], the feedback inhibitor dTTP was bound in the substrate pocket, similar to the binding of dTTP to the ... efficiency of ATP-incubated hTK1 is approximately 30-fold higher than that of non-incubated hTK1 The two TK1 forms can therefore be referred to as the hig...
Ngày tải lên: 18/02/2014, 12:20
Tài liệu Báo cáo khoa học: Role of K22 and R120 in the covalent binding of the antibiotic fosfomycin and the substrate-induced conformational change in UDP-N-acetylglucosamine enol pyruvyl transferase docx
... chain of K22 participates in fosfomycin binding, thus providing a rationale for the loss of fosfomycin binding to the K22V and K22E mutant proteins However, two other positively charged amino ... enthalpies of binding and stoichiometries were determined from the binding isotherm by fitting a : binding model to the data using the software provided by the m...
Ngày tải lên: 19/02/2014, 13:20