so2 on other transition metal surfaces

... electronic interaction of benzene adsorption on transition metal surface will be explained 1.4.1 Surface-adsorbate interaction Chemical bonding constructed by the adsorption of a molecule on a transition ... done by Sholl (2006) 1.4 Electronic Interaction in Heterogeneous Catalysis In this section, the basic concepts of chemical bonding to transition metal surfaces will be understood First, carbon ... FIRST PRINCIPLES STUDY OF BENZENE ADSORPTION ON TRANSITION METAL SURFACES HONG WON KEON (B Eng.(Hons.), Sungkyunkwan University, Republic of Korea) A THESIS SUBMITTED...

Ngày tải lên: 06/10/2015, 21:06

... Overview of transition metal (W, Mo) oxides and their electrochromic properties 1.1 Introduction of transition metal In chemistry, the term transition metal (sometimes also called a transition element) ... vibrational level of the electronic ground state This excess vibrational energy is lost by collision with other molecules (vibrational relaxation) The conversion of electronic energy to vibrational ... quantization" effect may be the onset of the metal - semiconductor transition at the very end of metallic behavior of much smaller particles The size at which the transition occurs depends on the...

Ngày tải lên: 25/03/2015, 11:58

... the Scanning Electron Microscopy 56 Figure 3.6 Interaction between primary electrons and the sample surface generates backscattered electrons, secondary electrons, Auger electrons and X-rays ... dissipation per unit area is also calculated This enables the prediction of the liquid bulk spreading diameter at the end of this stage based on energy consideration A final conclusion is made ... for wicking flow on silicon nanopillars surface 74 ix List of Figures Figure 4.6 Contact angle of (a) water and (b) silicone oil estimated using a contact angle goniometer ...

Ngày tải lên: 10/09/2015, 09:04

... silicon consumption to form NiSi is only a half of that for CoSi2 Lower silicon consumption is desirable for the formation of shallow source and drain junctions required for deep sub-micron CMOS ... formation involve phase formation sequence, growth kinetics and microstructures Two different mechanisms have been observed in metal/ silicon reactions: diffusion-controlled and nucleationcontrolled ... formation of the new phase 1.2.2 Popular Silicides for CMOS Technology Self-aligned formation is the common feature of transition- metal silicides Table 1.1 lists some key properties of transition- metal...

Ngày tải lên: 12/09/2015, 11:01

... Composition Effect on Electronic Properties…………………164 7.6 Conclusions ………………………………………………………171 References…………………………………………………………171 Chapter Conclusions and Future Work……………………………………173 8.1 Conclusions…………………………………………………………173 ... Calculations…………………………………………122 iii 6.3 Strain Effect on Interface Atomistic Configuration………………127 6.4 Strain Effect on Interface Formation Energetics……………………129 6.5 Strain Effect on Electronic ... Calculation results of Si Raman peak intensity attenuation at 520cm-1 as a function of (a) uniformity variable x for two-step configuration; and (b) amplitude A for sinusoidal configuration Figure...

Ngày tải lên: 13/09/2015, 20:19

... investigate these interactions Firstly, the interaction of transition- metal atoms with Si(001) surfaces was investigated by examining the adsorption and diffusion of Co on Si(001) surfaces at the initial ... electron-electron interactions If the electron-electron interactions can be approximated by an effective electron-electron potential, one can reduce equation (2.1) to a set of single electron Schr¨dinger ... Si(001), and nanotubes 1.3.1 Interactions of transition- metal atoms with Si(001) 1.3.2 Interactions of transition- metal atoms with nanotubes 1.3.3 Interactions of nanotubes with Si(001) ...

Ngày tải lên: 14/09/2015, 11:15

... along one or both basis vectors of the substrate Surface reconstructions are rather common on clean semiconductor surfaces due to the strong interactions between the dangling covalent bonds on ... equilibrium configuration is also a zero force configuration In most ionic relaxation calculation, moving the ions in a non-equilibrium configuration is directed by the forces calculated on them However, ... and real wavefunctions match beyond rc , while the normconserving condition is not satisfied, the pseudo wavefunctions are no longer normalized and the orthonormality condition has to be replaced...

Ngày tải lên: 16/09/2015, 17:11

... radiation The primary mode of transfer of interest in this project is conduction The relationship governing conduction is Fourier’s law [2] The following is a demonstration of the derivation of ... understand how the PCM material on metal surfaces perform with varying application methods like temperature and pressure, process conditions, assembly conditions and reliability tests These studies ... thermal conduction followed by a short review of the thermal test methods that are employed Conduction is the exchange of internal energy from one body to another, or from one part of a body to another...

Ngày tải lên: 03/10/2015, 20:33

Ngày tải lên: 23/06/2013, 01:26

... that the Ag plasmons are responsible for the observed rate enhancement We previously investigated the interactions between excited plasmonic -metal particles coated with nonconductive molecules ... from the metal SPs to the semiconductor in a radiative process, increasing the overall concentration of charge carriers in the semiconductor5d (please consult the Supporting Information for a ... the light intensity) In conclusion, we have demonstrated that plasmonic Ag nanostructures can be employed as building blocks to create composite plasmonic -metal/ semiconductor photoelectrocatalysts...

Ngày tải lên: 18/09/2013, 21:27

... OracleConnection conReport = new OracleConnection(cnString); OracleCommand cmdReport = new OracleCommand(); OracleDataReader drReport; DataSet dsReport = new dsOracle(); try { // open connection conReport.Open(); ... (OracleException ex) { MessageBox.Show(ex.Message); } finally { if (conReport.State == ConnectionState.Open) 8547ch10final.qxd 8/30/07 3:44 PM Page 357 CHAPTER 10 s REPORTING ON OTHER DATA SOURCES { conReport.Close(); ... (Exception ex) { MessageBox.Show(ex.Message); } finally { if (conReport.State == ConnectionState.Open) { conReport.Close(); } } } } } s Note I used Source=C:\Apress\chapter10\nwind.mdb in the connection...

Ngày tải lên: 05/10/2013, 08:48

... disulfide bond easily under oxidative conditions, if the site contains no metal ion The metal activator of NHase may incorporate a metal ion to prevent the formation of a disulfide bond, and may ... NHases specifically bind their own metals [20] It is unknown why NHase selects only a single metal: cobalt or iron There has only been one report on metal substitution in NHase [20] When an Fe-type ... Moreover, analysis (by ICP-AES) of the metal content of the apoenzyme, revealed that it did not contain a cobalt or an iron ion Expression of the wild-type enzyme in iron- Ó FEBS 2003 supplemented medium...

Ngày tải lên: 16/03/2014, 16:20

... here on the spin-triplet states However, even discarding the 3.5 More Transitions for d2 37 24« strong-field configurations after inclusion of interelectron repulsion electronic transitions from ... categorized as 'ionic' Dissolution of a salt of a group or a group metal results in the formation of solutions containing solvated cations and anions - only in concentrated solutions are there significant ... electron spin resonance spectroscopy 7.70 Review of Properties of Transition- Metal Compounds 19 However, while transition- metal ions often contain unpaired electrons, they exhibit none of the reactivity...

Ngày tải lên: 04/06/2014, 16:04

... photo-induced electrons and holes for reduction and oxidation reaction, respectively, improving charge separation and hence the photocatalytic activity Application of transition- metal sulfides as ... candidates could be expanded to other transition- metal sulfides such as FeS and SnS2, etc Detailed research on this subject is still an ongoing progress in our group Conclusions In summary, a series ... irradiation for approximately 20 h This deactivation may result from gradual reduction of Ag2S particles loaded on the surface of ZnIn S to metallic Ag by photogenerated electrons during the reaction...

Ngày tải lên: 21/06/2014, 04:20

... µm In addition, the orientations of the pits on Ge are consistent with the ones on Si, which give further support to the formation mechanism, but in general, we found that the Ge surfaces are ... is continuously consumed by reacting with Co, and the well-defined shapes are results of the anisotropic reaction and sublimation which depend on the orientation of the substrates The use of metals ... micro-/nanoscale reactions on the Ge surface are more difficult to control For example, copper silicide can form regular nanostructures on Si surfaces, but our attempt to form copper germanide on Ge surfaces...

Ngày tải lên: 21/06/2014, 17:20

... (PMMA) surfaces have to absorb proteins We are working on single-molecule enzymatic reactions on mica surfaces by controlled dipping of a nonspecific endonuclease over the DNA molecules based on nanomanipulation ... surface on the native properties of DNA molecules by adjusting the concentrations of nanoparticles, thus providing conditions in which distinct conformations of DNA molecules and their interactions ... to diffuse on the substrate, leading to an enlarged gap and a clear view field So a digestion reaction of DNA can be probed clearly, even without washing steps Conclusions We have demonstrated...

Ngày tải lên: 21/06/2014, 20:20

... expansion in the variations of the bond length and the angles between the bond and its nearest neighbor bonds Under the rubric of shortrange contributions and by following the general notations ... effect on the strain distribution in QD and the corresponding band offset The second one is the degree of anisotropy of elastic property, which is described by elastic constants In our calculation, ... and 156.4 meV for lens-shaped QD There is only one bound state in conduction band, so the possible transition of different energy levels is bound-to-continuum state with the energy being 199.3...

Ngày tải lên: 22/06/2014, 01:20

... n) : act of seeing - Guess its meanings - Alien (n) person from another world and give examples - Sample (n) : example , demonstration - Spacecraft (n) : craft for traveling in outer space ... doing the the notes exercise - Call on some Ss to report in the front - Give correct answers : a An aircraft , a weather balloon or a meteor … - report in front of b … nine large round objects ... instructed meaning of the words in the context of the passage ) - Report their answers and explain their answers - Call on some Ss to read their answers in front of class loudly - Feedback and...

Ngày tải lên: 03/07/2014, 21:20

... and discuss : Tell each other what you think might be on Mars , on the moon and on other planets ( Perhaps , it at home) - Call on some Ss to make a presentation in front of class IV / Homework ... using the cues in - Call on some pairs to practice their dialogues in front of section a class - Practice in the front - Correct mistakes ( pronunciation ) IV / Production : 10 Ask Ss to work ... space-tourist to Mars saw and noted down Try to guess - Report in front of the and match the drawings with the words in the box “ class - Call on some pair to report - Copy - Give correct answers III...

Ngày tải lên: 03/07/2014, 21:20

... group * Mini-presentation : - Ask Ss to work in groups and make a short presentation - Report in front of class about the moon - Call on some Ss to make the presentation in front of class Comment ... earlier guesses and - Have Ss listen to the description of the moon Then with a friend check stick the correct statements about the moon - Turn on the tape several times if necessary - Repeat ... lesson to Ss - Guess whether the - Science for fun program (n) : Translation statements are true or - Crater (n) : mouth of volcano False to their knowledge - Olympic Champion ( n) : person...

Ngày tải lên: 03/07/2014, 21:20