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Applications of Surface Science最新文献

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Morphology and structure of indium nitride films 氮化铟薄膜的形貌和结构
Applications of Surface Science Pub Date : 1985-05-01 Epub Date: 2003-02-10 DOI: 10.1016/0378-5963(85)90199-0
C.P. Foley , T.L. Tansley
{"title":"Morphology and structure of indium nitride films","authors":"C.P. Foley ,&nbsp;T.L. Tansley","doi":"10.1016/0378-5963(85)90199-0","DOIUrl":"10.1016/0378-5963(85)90199-0","url":null,"abstract":"<div><p>Growth processes of semiconducting indium nitride prepared by radiofrequency sputtering of a metallic target in a reactive nitrogen plasma have been studied by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Contrary to previous reports progressive nitridation of the target surface is observed [1] and is found to control film morphology and growth rate. Samples prepared from fully nitrided targets are exclusively <em>c</em>-axis oriented and polycrystalline, while other wurtzite planes persist when target nitridation is incomplete. The target process involved here requires the partial pressure of atomic nitrogen to be 10<sup>−4</sup> Torr in the RF discharge region close to the target. Surface migration processes are also dependent on the target state. These phenomena are analyzed within the context of the structure zone model [2] while considering a unified approach to crystal growth habit [3].</p></div>","PeriodicalId":100105,"journal":{"name":"Applications of Surface Science","volume":"22 ","pages":"Pages 663-669"},"PeriodicalIF":0.0,"publicationDate":"1985-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-5963(85)90199-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75449823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
Recent progress in the nondestructive analysis of surfaces, thin films, and interfaces by spectroellipsometry 光谱椭偏法无损分析表面、薄膜和界面的最新进展
Applications of Surface Science Pub Date : 1985-05-01 Epub Date: 2003-02-10 DOI: 10.1016/0378-5963(85)90212-0
D.E. Aspnes
{"title":"Recent progress in the nondestructive analysis of surfaces, thin films, and interfaces by spectroellipsometry","authors":"D.E. Aspnes","doi":"10.1016/0378-5963(85)90212-0","DOIUrl":"10.1016/0378-5963(85)90212-0","url":null,"abstract":"<div><p>The advantages of spectroellipsometry include relative instrumentational simplicity, sensitivity to composition, density, and microstructure of thin films, submonolayer sensitivity to adsorbates, overlayers, and interfaces, and the capability of providing this information nondestructively, in real time, and in any transparent ambient. In this paper I discuss present trends and likely future directions for instrumentation, data analysis, and applications, and illustrate present capabilities by various examples.</p></div>","PeriodicalId":100105,"journal":{"name":"Applications of Surface Science","volume":"22 ","pages":"Pages 792-803"},"PeriodicalIF":0.0,"publicationDate":"1985-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-5963(85)90212-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86432522","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
Secondary ion yields of polymers 聚合物的仲离子产率
Applications of Surface Science Pub Date : 1985-05-01 Epub Date: 2003-09-26 DOI: 10.1016/0378-5963(85)90039-X
T. Ogama, H. Kurokawa, I. Karino
{"title":"Secondary ion yields of polymers","authors":"T. Ogama,&nbsp;H. Kurokawa,&nbsp;I. Karino","doi":"10.1016/0378-5963(85)90039-X","DOIUrl":"10.1016/0378-5963(85)90039-X","url":null,"abstract":"<div><p>The secondary ion yields of polytetrafluoroethylene (PTFE) and polyethylene (PE) were compared with that of Al<sup>+</sup> emitted from Al<sub>2</sub>O<sub>3</sub> using mixed samples of their powders. The surface compositions of mixtures were measured by means of X-ray photoemission spectroscopy (XPS). Secondary ion mass spectrometry (SIMS) measurements with 1 keV Ar<sup>+</sup> showed that the secondary ion yields of CF<sup>+</sup> from PTFE and C<sub>2</sub>H<sup>+</sup><sub>3</sub> from PE were ∼ 20 and ∼ 4 times larger than that of Al<sup>+</sup> from Al<sub>2</sub>O<sub>3</sub>, respectively. The sputtering yield of PTFE was also examined by weight loss measurements; the results suggest that the large secondary ion yield of PTFE is primarily due to its large sputtering yield.</p></div>","PeriodicalId":100105,"journal":{"name":"Applications of Surface Science","volume":"22 ","pages":"Pages 82-89"},"PeriodicalIF":0.0,"publicationDate":"1985-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-5963(85)90039-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88802350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Electron beam induced effects at silicon-transition metal silicide interfaces 电子束在硅过渡金属硅化物界面上的诱导效应
Applications of Surface Science Pub Date : 1985-05-01 Epub Date: 2003-02-10 DOI: 10.1016/0378-5963(85)90229-6
K.A. Pandelisev, E.Y. Wang, J.C. Kelly
{"title":"Electron beam induced effects at silicon-transition metal silicide interfaces","authors":"K.A. Pandelisev,&nbsp;E.Y. Wang,&nbsp;J.C. Kelly","doi":"10.1016/0378-5963(85)90229-6","DOIUrl":"10.1016/0378-5963(85)90229-6","url":null,"abstract":"<div><p>Transition metal silicides were made by the vacuum thermal annealing of 20 nm metal layers on silicon substrates. The samples were then argon sputtered at 2 keV in a UHV Auger system till the silicide-silicon interface was reached. The interface was irradiated with electrons and the Auger spectrum recorded at regular time intervals. Metal atoms which had diffused into the silicon were found to be moving towards the surface under electron bombardment. A surface silicide layer 1–2 nm thick was formed by these migrating metal atoms. Pd, Pt and Cr silicides on (100) and (111) silicon surfaces were observed. The electron induced migration was much stronger for the Pd<sub>2</sub>SiSi interface than for either the Pt<sub>2</sub>SiSi or CrSi<sub>2</sub>Si interface.</p></div>","PeriodicalId":100105,"journal":{"name":"Applications of Surface Science","volume":"22 ","pages":"Pages 969-973"},"PeriodicalIF":0.0,"publicationDate":"1985-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-5963(85)90229-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84959205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Surface structure studies by x-ray photoelectron diffraction 用x射线光电子衍射研究表面结构
Applications of Surface Science Pub Date : 1985-05-01 Epub Date: 2003-09-26 DOI: 10.1016/0378-5963(85)90051-0
C.S Fadley
{"title":"Surface structure studies by x-ray photoelectron diffraction","authors":"C.S Fadley","doi":"10.1016/0378-5963(85)90051-0","DOIUrl":"10.1016/0378-5963(85)90051-0","url":null,"abstract":"<div><p>Several recent developments and future prospects in the use of core-level X-ray photoelectron diffraction (XPD) for surface structure studies are considered. Experiments involving both standard X-ray sources and synchrotron radiation are discussed.</p></div>","PeriodicalId":100105,"journal":{"name":"Applications of Surface Science","volume":"22 ","pages":"Pages 193-195"},"PeriodicalIF":0.0,"publicationDate":"1985-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-5963(85)90051-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78333661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Functional dependence of electron mobility on the distance of remote donor impurities from the interface in AlGaAs/GaAs heterostructures AlGaAs/GaAs异质结构中电子迁移率对远端给体杂质离界面距离的功能依赖
Applications of Surface Science Pub Date : 1985-05-01 Epub Date: 2003-02-10 DOI: 10.1016/0378-5963(85)90232-6
J. Szymański, D. Neilson, F. Green, P.G. Kemeny, B.J. Linard
{"title":"Functional dependence of electron mobility on the distance of remote donor impurities from the interface in AlGaAs/GaAs heterostructures","authors":"J. Szymański,&nbsp;D. Neilson,&nbsp;F. Green,&nbsp;P.G. Kemeny,&nbsp;B.J. Linard","doi":"10.1016/0378-5963(85)90232-6","DOIUrl":"10.1016/0378-5963(85)90232-6","url":null,"abstract":"<div><p>We investigate the scattering of electrons in a quasi-two-dimensional electron gas at the AlGaAs/GaAs interface, off ionized impurities located in AlGaAs. We use multiple-scattering (<em>t</em>-matrix) techniques to calculate the mobility and bound state energy of the electrons.</p></div>","PeriodicalId":100105,"journal":{"name":"Applications of Surface Science","volume":"22 ","pages":"Pages 992-996"},"PeriodicalIF":0.0,"publicationDate":"1985-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-5963(85)90232-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86621986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Topics in ultraviolet inverse photoemission 紫外光逆发射的主题
Applications of Surface Science Pub Date : 1985-05-01 Epub Date: 2003-09-26 DOI: 10.1016/0378-5963(85)90066-2
V. Dose
{"title":"Topics in ultraviolet inverse photoemission","authors":"V. Dose","doi":"10.1016/0378-5963(85)90066-2","DOIUrl":"10.1016/0378-5963(85)90066-2","url":null,"abstract":"<div><p>Ultraviolet inverse photoemission is an exciting new technique for band mapping of empty electronic states in solids and at surfaces. It includes the energy region between the Fermi and the vacuum level inaccessible by ordinary photoemission. Applications discussed in this paper include band mapping in nickel, spin-resolved studies of iron, and chemisorption of NO and CO on palladium.</p></div>","PeriodicalId":100105,"journal":{"name":"Applications of Surface Science","volume":"22 ","pages":"Pages 338-348"},"PeriodicalIF":0.0,"publicationDate":"1985-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-5963(85)90066-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83062294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The Chadi total energy algorithm for determining surface geometries 确定表面几何形状的Chadi总能量算法
Applications of Surface Science Pub Date : 1985-05-01 Epub Date: 2003-02-10 DOI: 10.1016/0378-5963(85)90191-6
P.V. Smith
{"title":"The Chadi total energy algorithm for determining surface geometries","authors":"P.V. Smith","doi":"10.1016/0378-5963(85)90191-6","DOIUrl":"10.1016/0378-5963(85)90191-6","url":null,"abstract":"<div><p>The Chadi total energy minimization technique is probably the simplest, physically realistic approach for determining the surface geometries of solids and has proved highly successful in predicting the surface relaxation and reconstruction of a wide variety of covalent solids. One of the basic assumptions of this method has been that the tight-binding parameters, which describe the dependence of the electronic energy of the system upon the surface configuration of atoms, simply vary as the inverse square of the appropriate interatomic distance. More recent work, however, has shown that there are now strong grounds for doubting the validity of this 1/<em>d</em><sup>2</sup> approximation, and has suggested that a better representation of the spatial dependence of the LCAO model Hamiltonian parameters might be obtained from self-consistent bandstructure calculations performed at different lattice constants. The purpose of this paper is to assess the relative merit of these two alternative models by employing them in a direct determination of some of the lattice dynamical properties of silicon, and to discuss the implications of the results of these calculations for surface structure analyses within the Chadi formalism.</p></div>","PeriodicalId":100105,"journal":{"name":"Applications of Surface Science","volume":"22 ","pages":"Pages 596-603"},"PeriodicalIF":0.0,"publicationDate":"1985-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-5963(85)90191-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76366943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Thin-film edge-aligned junctions for small-area surface studies 用于小面积表面研究的薄膜边缘排列结
Applications of Surface Science Pub Date : 1985-05-01 Epub Date: 2003-02-10 DOI: 10.1016/0378-5963(85)90237-5
J.C. MacFarlane, I. Banasiak
{"title":"Thin-film edge-aligned junctions for small-area surface studies","authors":"J.C. MacFarlane,&nbsp;I. Banasiak","doi":"10.1016/0378-5963(85)90237-5","DOIUrl":"10.1016/0378-5963(85)90237-5","url":null,"abstract":"<div><p>A straightforward technique is described whereby the edges of two contiguous films can be precisely aligned without overlap so that the contact area between them is defined by the thickness times the width of the film. In this way junction areas as small as 0.02 μm<sup>2</sup> can be achieved with very simple photolithographic techniques. Electron micrographic, electrical and surface studies have been carried out on junctions of this type and preliminary results are reported.</p></div>","PeriodicalId":100105,"journal":{"name":"Applications of Surface Science","volume":"22 ","pages":"Pages 1027-1033"},"PeriodicalIF":0.0,"publicationDate":"1985-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-5963(85)90237-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79526804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Chemisorption studies with LEED fine structure analysis LEED精细结构分析的化学吸附研究
Applications of Surface Science Pub Date : 1985-05-01 Epub Date: 2003-09-26 DOI: 10.1016/0378-5963(85)90079-0
S.M. Thurgate, P.J. Jennings
{"title":"Chemisorption studies with LEED fine structure analysis","authors":"S.M. Thurgate,&nbsp;P.J. Jennings","doi":"10.1016/0378-5963(85)90079-0","DOIUrl":"10.1016/0378-5963(85)90079-0","url":null,"abstract":"<div><p>LEED fine structure is found in LEED intensity curves at low energies below emergence thresholds for new diffracted beams. The fine structure is due to the interaction between a reflected beam and a beam which is totally internally reflected by the surface barrier. The fine structure may be strongly affected by chemisorption and this provides a useful technique for surface structural studies. The effects of surface roughening or smoothing, reconstruction and disordered adsorption can be clearly distinguished. Examples of the application of this technique to the oxidation of low index planes of Cu, Ni and W are discussed. It is concluded that LEED fine structure analysis provides valuable information which supplements that obtainable from other compatible surface science techniques.</p></div>","PeriodicalId":100105,"journal":{"name":"Applications of Surface Science","volume":"22 ","pages":"Pages 478-485"},"PeriodicalIF":0.0,"publicationDate":"1985-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-5963(85)90079-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81077627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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