optical properties and laser induced thermal effects leonid khriachtchev
Báo cáo hóa học: " Synthesis, Optical Properties, and Photocatalytic Activity of One-Dimensional CdS@ZnS Core-Shell Nanocomposites" pdf
... ZnS has a wider band gap (Eg = 3.7 eV) than CdS The surface modification of a wide band gap semiconducting shell around a narrow band gap core can alter the charge, functionality, and reactivity ... functional groups, or additional covalent and/ or noncovalent interconnectivity for the growth of ZnS onto CdS nanowires in our experiments The optical properties and photocatalytic activities of the ... mono˚ chromator and Cu Ka radiation (k = 1.5418 A) in the range of 15–80° at room temperature while the tube voltage and electric current were held at 40 kV and 20 mA The morphology and microstructure...
- 7
- 337
- 0
Crystal structure, optical properties and biological imaging of two curcumin derivatives
... field transmission and two-photon images The excitation light was provided by a mode-locked Ti: sapphire laser (Mai Tai, Spectra-Physics Inc., USA) tuned to 800 nm, and a broadband pass filter (450e600 ... respectively, and cultured in growth media at 37 C, 5% CO2 for h, then washed by PBS and directly moved to confocal laser scanning microscopy without fixation TPM images (Fig 4a and b) of MCF-7 ... Sheldrick GM SHELXS97 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...
- 6
- 546
- 0
Functional lanthanide doped upconversion nanocrystals optical properties and mechanism study
... their optical properties A general introduction of the fine-tuning of optical properties and functionalization of upconversion nanocrystals is presented in the next section Chapter 1.5 Optical properties ... excess potassium and free manganese ions, and redispersed in mL of deionized water 2.2.6 Cell Culture and Labeling HepG2 and HeLa cell lines were maintained at 37oC in 5% CO2 in RPMI and DMEM media ... with regard to their diverse applications ranging from high pulse lasers, solar cells to optical electrodes.2-5 The unique optical properties of these materials have rendered their potential utilization...
- 126
- 317
- 0
Optical properties and excitation dynamics in 3d and 2d systems
... irradiation (A-C) Raman images of D band, G band and 2D band before strong laser irradiation (D-F) Raman images of D band, G band and 2D band after strong laser irradiation Scale bars: μm ... materials, and it has already been demonstrated to show very interesting optical properties Therefore, we studied the optical properties of graphene As graphene shows rich nonlinear optical properties ... elastic, electronic, and thermal properties of LaAlO3 perovskite,‖ Computational Materials Science 45, 1068-1072, (2009) 26 D Reagor and F Garzon, ―Dielectric and optical properties of substrates...
- 161
- 402
- 0
DEFECT INDUCED NOVEL ELECTRICAL, MAGNETIC AND OPTICAL PROPERTIES OF TIO2 THIN FILMS GROWN BY PULSED LASER DEPOSITION
... the defect induced electrical, optical, magnetic and structural properties of titanium dioxide (TiO2) thin films grown by pulsed laser deposition (PLD) technique Single crystal TiO2 and tantalum ... the band structure, surface properties and electronic properties For the application in solar cell, many dopants have to be incorporated in to the TiO2 to reduce the band gap TiO2 has a band gap ... by PES and IPES28 DFT-GGA calculation shows that anatase has an indirect band gap with the VBM at Δ (0, 0, 0.44) between Γ and X (0, 0, 0.5) and the CBM at Γ (Figure 1.2(b)) The indirect band gap...
- 142
- 339
- 0
Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures
... effects of size and shape of Si-nc on the incorporation of group-III (B and Al), group-IV (C and Ge) and group-V (N and P) impurities Single-doping has been investigated both in spherical and faceted-like ... concentrating not only on the structural properties but also on how doping influences the electronic and optical properties Here, we aim to resume the main outcome of this work and illustrate specific results ... different sites labelled 1, and The lines are guide for the eye The structural, electronic and optical properties of Si nanostructures doped with different numbers of B and P impurities have been...
- 8
- 1,024
- 0
evaluation of shape and size effects on optical properties of zno pigment
... higher and more uniform than scale-like ZnO The scattering of light by small particles is determined not only by the composition of the incident light and the optical properties of the particles and ... synthesized by a simple hydrothermal method Evaluation of their optical properties indicated that the spectral reflectance was strongly affected by particle shape and size Nanorod and microrod ZnO pigments ... R Shoja Razavi, Characterization and optical property of ZnO nano-, submicro- and microrods synthesized by hydrothermal method on a large-scale, Superlattices and Microstructures 52 (2012) 704–710...
- 6
- 418
- 0
Báo cáo hóa học: " Effects of silver impurity on the structural, electrical, and optical properties of ZnO nanowires" doc
... Kim et al.: Effects of silver impurity on the structural, electrical, and optical properties of ZnO nanowires Nanoscale Research Letters 2011 6:552 Submit your manuscript to a journal and benefit ... were cleaned in acetone and methanol for 20 and rinsed in de-ionized water for The 1, 3, and wt % SZO (5SZO) NWs are grown in a furnace at 800°C with argon gas of 90 sccm and a working pressure ... excimer laser with the wavelength of 248 nm operating at a pulse repetition rate of 10 Hz was focused onto 1, 3, and 5SZO targets for the deposition The laser influence was set to 1.2 J/cm2, and...
- 8
- 509
- 0
Tài liệu A Dissertation on the Medical Properties and Injurious Effects of the Habitual Use of Tobacco pptx
... clubs, and grog-shops, and taverns, and thus helps to make idlers and spendthrifts; and finally, that it is a very serious and needless expense; are things which cannot be denied by any observing and ... cleansing ulcers, and for the removal of indolent tumors But the dreadful effects produced by it when absorbed into the system, have induced most medical men to abandon it altogether, and prescribe ... drinks, but wine, ale, and brandy must be taken, to satisfy this unnatural demand Hence, smoking has, in many instances, been the sad precursor to the whiskey-jug and brandy-bottle, which together...
- 29
- 586
- 0
Báo cáo khoa học: Dissociation/association properties of a dodecameric cyclomaltodextrinase Effects of pH and salt concentration on the oligomeric state pot
... mutants at pH 6.0 and 7.0 Fig The progress curves of the interconversion between dimer and dodecamer at pH 6.0 (A) and pH 7.0 (B) d, dodecamer; s, dimer Table Physicochemical properties of wild-type ... (1.4428 mL) were lled with degassed solutions and equilibrated at 37 C Stirring speed and reference power was 310 r.p.m and 15 lCalặs)1, respectively Once thermal equilibrium was reached, CDase I-5 ... out with excitation at 295 nm and emission scanning in the range of 290450 nm according to the KCl concentration [9] The excitation and emission bandwidths were nm, and the scan speed was 1200...
- 13
- 511
- 0
First principles optical properties of silicon and germanium nanowires
... [41] Optical gaps in SiNWs and GeNWs: quantum confinement and anisotropy effects In this section, we will describe the electronic properties of hydrogen passivated, free standing silicon and germanium ... more extended description about the Green’s function theory for the calculation of band structures and optical properties is given in the paper by Del Sole et al., in this volume In short, through ... gap in SiNWs (left) and GeNWs (right) as a function of wires’ size and orientation Table DFT-LDA electronic gaps in SiNWs and GeNWs are reported, respectively, in the third and fourth column,...
- 5
- 507
- 0
Electronic structure and magneto optical properties of solids v antonov, b harmon, a yaresko
... 2.1.8 Fe3O4 and Mg2+ -, or Al3+ -substituted magnetite Magneto -optical properties of magnetic multilayers 2.2.1 Magneto -optical properties of Co/Pd systems 2.2.2 Magneto -optical properties of ... ELECTRONIC STRUCTURE AND MAGNETO -OPTICAL PROPERTIES OF SOLIDS TLFeBOOK This page intentionally left blank TLFeBOOK Electronic Structure and Magneto -Optical Properties of Solids by Victor ... as the magneto -optical (MO) Kerr effect Since then, many other magnetooptical effects, as for example the Zeeman, Voigt and Cotton-Mouton effects [3], have been discovered These effects all have...
- 545
- 509
- 0
facile route to straight sno2 nanowires and their optical properties
... clearly indicates that these nanowires are of uniform size and smooth surface, and the average diameter and length of these nanowires are 80 nm and m, respectively The energy dispersive X-ray spectroscopy ... single crystalline and grows along [12-1] direction, which is different from common [1 1] and [1 0] growth direction [26,27] No obvious defects and dislocations are observed, and the interplanar ... decomposed into Sn and SnO vapor Sn and SnO vapor subsequently are transported to low temperature zone and form liquid droplets The liquid droplets gradually absorb oxygen and are further oxidized...
- 4
- 416
- 0
synthesis and optical properties of colloidal tungsten oxide nanorods
... localized states in the band gap due to impurities.22b In light of these assignments, we suggest that the UV emission of nanorod samples in this work might correspond to the band-toband transition The ... 20 nm (medium), and 130 ( 30 nm (long) The strongest PL emission peaks appear at 3.60 eV (344 nm), 3.56 eV (348 nm), 3.55 eV (349 nm) for short (25 ( nm), medium (75 ( 20 nm), and long (130 ( ... and the intensity of this peak increases relative to that of UV emission as the length of nanorods increases A similar PL pattern with two emission maxima, yet at much lower energies of 2.8 and...
- 2
- 527
- 0
Báo cáo khoa học: Expression profiling reveals differences in metabolic gene expression between exercise-induced cardiac effects and maladaptive cardiac hypertrophy pot
... exercise -induced hypertrophy Expression of selected genes in maladaptive hypertrophy To compare expression of CD36 and UCP2 in adaptive and maladaptive hypertrophy we analysed expression of CD36 and ... chain isoforms and thyroid hormone receptor isoforms differ between adaptive and maladaptive hypertrophy [10–12] A comprehensive analysis of the gene expression changes in exerciseinduced cardiac ... however, is lacking Such an approach may identify shared and divergent molecular networks between adaptive and maladaptive hypertrophy and point to new therapeutic strategies The microarray technology...
- 12
- 341
- 0
OPTICAL COATINGS AND THERMAL NOISE IN PRECISION MEASUREMENT pot
... noise m evans and g ogin 129 Absorption and thermal issues p willems, d j ottaway, and p beyersdorf 145 Optical scatter 163 j r smith and m e zucker v vi 12 Contents Reflectivity and thickness ... measurements of coating thermal noise 55 k numata Methods of improving thermal noise 73 s ballmer and k somiya Substrate thermal noise 93 s rowan and i martin Cryogenics 108 k numata and k yamamoto 10 ... in optical mirrors y levin Coating technology s chao Compendium of thermal noises in optical mirrors 20 v b braginsky, m l gorodetsky, and s p vyatchanin Coating thermal noise 31 i martin and...
- 342
- 316
- 0
molecular dynamics studies of ultrafast laser induced phase and structural change in crystalline silicon
... induce significant stress and amorphization in single crystal silicon Also, effects of the laser polarization on residual stress and amorphization during femtosecond laser machining of silicon ... irradiated by laser Greek Symbols d optical penetration depth v velocity scaling factor positions of crystalline-liquid and liquid-amorphous silicon; and the second focus is to understand the resulting ... investigate ultrafast laser induced structural change Transmission electron microscopy and scanning electron microscopy have been used to study the microstructures of femtosecond laser irradiated...
- 7
- 417
- 0
fabrication and optical properties of ordered sea urchin-like zno
... UV–visible optical absorption was measured by UV–visible spectrophotometer (Beijing,TU-1901) Results and discussion Fig 1a shows the XRD pattern of the sea urchin-like ZnO by a simple hydrothermal ... SEM images, TEM image, HRTEM image and SAED pattern of the sea urchin-like ZnO nanostructures are presented in Fig Fig 2a and b displays the low magnification and high magnification SEM images of ... are assembled by a central nucleus and many needlelike ZnO which grow radially from the nucleus The TEM image in Fig X-ray diffraction pattern (a) and UV–visible optical absorption characteristics...
- 3
- 376
- 0
Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam nội dung cụ thể cho từng kĩ năng ở từng cấp độ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu chỉ tiêu chất lượng 9 tr 25