Optical properties and excitation dynamics in 3d and 2d systems
Optical properties and excitation dynamics in 3d and 2d systems
... OPTICAL PROPERTIES AND EXCITATION DYNAMICS IN 3D AND 2D SYSTEMS CHEN JIANQIANG (M.Sc, NATIONAL UNIVERSITY OF SINGAPORE, SINGAPORE) A THESIS SUBMITTED FOR THE ... J You, G C Xing, T C Sum, S Dhar, Y P Feng, Ariando, Q.-H Xu and T Venkatesan, ―Defect dynamics and spectral observation of twinning in single crystalline LaAlO3 under subbandgap excitation, ‖ ... images showing many small graphene bubbles (C-D) 3D and 2D views of topographic AFM images showing the merging of graphene bubbles (E-F) 3D and 2D views of topographic AFM images showing single big...
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Báo cáo hóa học: " Synthesis, Optical Properties, and Photocatalytic Activity of One-Dimensional CdS@ZnS Core-Shell Nanocomposites" pdf
... observation Optical Properties and Photocatalytic Activity of 1D CdS@ZnS Core-Shell Nanocomposites The optical properties of 1D CdS@ZnS core-shell nanocomposites were measured using UV-vis absorption and ... spectrophotometer and WGY-10 spectrofluorimeter Photocatalytic Decomposition of MB and 4CP To evaluate the photocatalytic activity of the synthesized 1D CdS@ZnS core-shell nanocomposites, the degradation of ... images (a) of CdS nanowires and (b) of 1D CdS@ZnS core-shell nanocomposites the surface of the CdS nanowires ZnS nanoparticles mainly show two sets of lattice fringe spacings of 0.27 nm and 0.19...
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Crystal structure, optical properties and biological imaging of two curcumin derivatives
... Synthesis, optical properties and biological imaging of the rare earth complexes with curcumin and pyridine J Mater Chem 2012;22:22774e80 [25] Demas JN, Crosby GA The measurement of photoluminescence ... and SHELXS-97 Göttingen: University of Göttingen; 1997 [21] Zhou HP, Li DM, Zhang JZ, Zhu YM, Wu JY, Hu ZJ, et al Crystal structures, optical properties and theoretical calculation of novel two- photon ... cross-section values of s of the compounds A and B are 386 and 418 GM (1 GM ¼ 10À50 cm4 s photonÀ1 moleculeÀ1) in DMF solution, respectively 3.4 Cytotoxicity assay and biological images of two- photon microscopy...
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Functional lanthanide doped upconversion nanocrystals optical properties and mechanism study
... the fine-tuning of optical properties and functionalization of upconversion nanocrystals is presented in the next section Chapter 1.5 Optical properties tuning of upconversion nanocrystals 1.5.1 ... Overview of lanthanide- doped materials 1.2 Introduction of lanthanide- doped nanocrystals .1 1.3 Concept of upconvesion process .3 1.4 Lanthanide- doped upconversion nanocrystals ... of nanotechnology has offered the development of lanthanide- doped nanocrystals with advance optical and structural properties. 7 Lanthanide- doped nanocrystals Chapter Figure 1.1 Partial 4f energy...
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Management of fiber physical effects in high speed optical communication and sensor systems
... MANAGEMENT OF FIBER PHYSICAL EFFECTS IN HIGH- SPEED OPTICAL COMMUNICATION AND SENSOR SYSTEMS YANG JING (B Eng., Xi’an Jiaotong University, China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ... in both optical transmission and sensor systems In this chapter, the physical effects of optical fibers are introduced in section 1.1 The limitation and applications of the nonlinearities in high- speed ... affected by the physical effects of optical fibers In order to obtain high performance in optical systems, fiber physical effects should be studied and managed On the other hand, fiber physical effects...
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Optical time resolved spin dynamics in III-V semiconductor quantum wells
... 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 5) Finally, quantum beating of exciton spin ... InGaAs/GaAs quantum wells The long spin lifetime implicates the NIA as the cause of the fast relaxation in InGaAs/InP Finally, the reflectively probed optically induced linear birefringence method...
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Báo cáo hóa học: " Side-by-Side In(OH)3 and In2O3 Nanotubes: Synthesis and Optical Properties" pot
... transformation from In(OH)3 to In2O3 successfully Their composition and single-crystalline structures were confirmed using XRD, TEM, and SAED The optical determinations imply that the UV–Visible and PL behaviors ... and TEM Results and Discussion Figure 1a presents the XRD pattern of the In(OH)3 precursor All of the detectable reflection peaks match well 123 Fig XRD patterns of the precursor In(OH)3 (a) and ... was recorded on a bundle of In2O3 nanotubes The strong and symmetrical diffraction spots can be easily indexed to the bcc structure of In2O3, which reveal that 1D In2O3 nanostructures are essentially...
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Báo cáo hóa học: " Influence of GaAs Substrate Orientation on InAs Quantum Dots: Surface Morphology, Critical Thickness, and Optical Properties" docx
... QW and normal WL of InAs QDs These observations show that the formation and the optical properties of the quantum structures strongly depend on the substrate orientation The InAs QDs formation ... affecting the kinetics of adsorption, migration, desorption, reconstruction, and strain relaxation In fact, the in-QD strain relaxation is influenced by the substrate orientation and it has been proven ... diffraction, the growth rate of InAs was deduced to be 0.013 ML/s and the QD formation was confirmed on GaAs (100) surface After 15 s of growth interruption, a 20 nm GaAs capping layer was grown on...
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báo cáo khoa học: " Hydrophobic silver nanoparticles trapped in lipid bilayers: Size distribution, bilayer phase behavior, and optical properties" pot
... result in changes in lipid bilayer phase behavior, which is related to the degree of lipid ordering and bilayer viscosity Hence, depending on their size and surface chemistry, embedded nanoparticles ... presence of nanoparticles can lead to changes in lipid packing and may disrupt lipid- lipid interactions amongst the headgroups and/ or acyl tails [5,6] Disruption of such interlipid interactions ... Bhattacharya and Sirvastava [20] have shown that 2.04 ± 0.4 nm gold nanoparticles containing a hydrophobic surface ligand maintain their characteristic SPR band when embedded within gel phase DPPC bilayers...
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the speed of visual processing of complex objects in the human brain. sensitivity to image properties, the influence of aging, optical factors and individual differences.
... THE SPEED OF VISUAL PROCESSING OF COMPLEX OBJECTS IN THE HUMAN BRAIN Sensitivity to image properties, the influence of aging, optical factors and individual differences ... the ERP responses Further, there are factors than can influence the processing speed of complex objects in the brain, such as aging Accumulating experimental evidence points out that visual processing ... ERPs to visual information contained in the Fourier phase and amplitude spectra of images The second goal was to measure age-related changes in ERP visual processing speed and to find out if their...
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Defect mediated novel structural, optical, electrical and magnetic properties in ti1 xtaxo2 thin films
... resistivity for anatase Ti1- xTaxO2 (x = – 0.08) thin films and rutile Ti1- xTaxO2 (x = 0.08) thin film; (b) Variation of carrier density and Hall mobility for anatase Ti1- xTaxO2 thin films as a function ... transport, optical and magnetic properties appear to be quite distinct 1.2 Defects and Dopings in Semiconductors 1.2.1 Intrinsic and Extrinsic Defects in Semiconductors Defining classically, a ... of Ta incorporation in Ti1- xTaxO2 thin films with 100% carrier activation (red solid circles) Variation of inactivated carrier density as a function of Ta incorporation in Ti1- xTaxO2 thin films...
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Tài liệu Báo cáo Y học: A Raman optical activity study of rheomorphism in caseins, synucleins and tau New insight into the structure and behaviour of natively unfolded proteins pot
... conformational ¯exibility We not consider the rheomorphic state of a Caseins, synucleins and tau as rheomorphic proteins The ROA data clearly show the caseins, synucleins and tau to have similar ... caseins, synucleins and tau (Eur J Biochem 269) 155 CONCLUSIONS This study has shown that the casein milk proteins, the brain proteins synuclein and tau, as well as mutants of a- synuclein and tau associated ... DSC, of caseins, synucleins and tau, together with several mutants of a- synuclein and tau that cause neurodegenerative diseases The ROA spectra of all these proteins are very similar to those of...
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Báo cáo " The magnetic properties and charge-ordering state in La1-xCaxMnO3 (x = 0.46; 0.50) compounds " doc
... 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 the La1-xCaxMnO3- δ (x= 0.46; 0.50) ... plots for La1-xCaxMnO3- δ (x= 0.46, 0.50) samples Figure 6: Temperature dependences of the resistance for La1-xCaxMnO3- δ (x= 0.46, 0.50) samples It has been shown that most of the CO states in Re1-xAxMnO3...
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CD4 lymphocyte dynamics in Tanzanian pulmonary tuberculosis patients with and without HIV co-infection ppt
... TB patients with and without HIV co-infection HIV uninfected PTB patients had significantly lower CD4 levels than healthy controls at baseline and did not reach the same levels of circulating CD4 ... doi:10.1186/1471-2334-12-66 Cite this article as: Andersen et al.: CD4 lymphocyte dynamics in Tanzanian pulmonary tuberculosis patients with and without HIV coinfection BMC Infectious Diseases 2012 12:66 Submit ... antiretroviral-use databases in ART clinics Between and 12 a.m., blood was collected for HIV testing and for CD4 cell quantifying HIV status was determined using “Capillus HIV- 1 /HIV- 2” (Trinity Biotech Plc.,...
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Từ khóa: semi alicyclic polyimides insights into optical properties and morphology patterning approachesoptical properties and related applicationsstructural and optical properties and device applications fabio iacona giorgia franzò alessia irrera simona boninelli maria miritello and francesco priolooptical properties and laser induced thermal effects leonid khriachtchevdouble layers optical properties and electrochemistryexcitation contraction coupling functional properties and autonomic and hormonal regulation in human embryonic stem cell derived cardiomyocytescollective properties of nanocrystals selforganized in 2d and 3d superlatticespositive and negative space in 3d artorigin main properties and practical applications of optical vorticesforcing food web structure and community dynamics in pelagic marine ecosystemsselenide and sulfide quantum dots and nanocrystals optical propertiesterminology in optical detection and material considerationstranslation and rotation in 3dgrowth structures and optical properties of iii nitride quantum dotsoptical properties of films and coatingschuyên đề điện xoay chiều theo dạngNghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấpNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Nghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúngNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtTrách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)BÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ