Temat: 61.16.Ch - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Surface Investigation by Scanning Tunnelling Microscopy in Liquid Medium
Autorzy:: Phaner, M.
Robach, Y.
de Villeneuve, C.
Wojczuk, S.
Olejniczak, W.
Porte, L.
Tematy:: 61.16.Ch
73.40.Gk; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1929313.pdf Link otwiera się w nowym oknie
Opis:: Scanning tunneling microscopy in liquid environment has gained an increased interest in recent years. The specific features of the in situ observation of surface structures at the solid/liquid interface are first presented. Next, a high resolution imaging of high oriented pyrolytic graphite (HOPG) graphite surface shows the potentiality of our home-made microscope. The last study, performed on technological InP. substrates, illustrates the extensive applications of in situ imaging in the fields of semiconductor technology.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Oxidation Studies of the Graphite Surface by Scanning Tunneling Microscopy and Photoelectron Spectroscopy
Autorzy:: Klusek, Z.
Phaner, M.
Krapf, P.
Porte, L.
Tematy:: 61.16.Ch
33.60.Fy; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1931811.pdf Link otwiera się w nowym oknie
Opis:: Scanning tunneling microscopy and spectroscopy and X-ray photoelectron spectroscopy were used to study oxidation effects of nitric acid on highly oriented pyrolytic graphite surface. This treatment was performed at different temperatures and etching times with the aim of realizing local binding sites on the surface without creating deep defects. Then these three technics were found in good agreement to characterize the weakly oxidized surface. A wavy structure different from pure graphite at atomic scale was imaged by scanning tunneling microscopy. This modification was correlated to the presence of carboxylic groups on the surface revealed by X-ray photoelectron spectroscopy. Both spectroscopies of scanning tunneling and X-ray photoelectron demonstrated the vanishing of π bands characteristic from sp$\text{}^{2}$ graphitic hybridization. This was attributed to dehybridization corresponding to new bondings of the graphite carbons in the carboxylic groups.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Nanostructuring and Hardness Investigations of Thin Films by Scanning Force Microscopy
Autorzy:: Nowicki, M.
Richter, A.
Ries, R.
Oszwałdowski, M.
Tematy:: 61.16.Ch
68.35.-p; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1968828.pdf Link otwiera się w nowym oknie
Opis:: The scanning force microscope was used to scratch thin films and to write nanoscale pattern on surfaces as well as to perform nanoindentation for hardness measurements. Different thin film materials such as C$\text{}_{60}$ films, diamond-like carbon, metals and semiconducting films have been investigated.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Topographic and Energetic Heterogeneity Studies of Oxidized Graphite Surface by Scanning Tunneling Microscopy/Spectroscopy and Photoelectron Spectroscopy
Autorzy:: Klusek, Z.
Tematy:: 61.16.Ch
71.20.-b; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1963284.pdf Link otwiera się w nowym oknie
Opis:: Scanning tunneling microscopy and spectroscopy and X-ray photoelectron spectroscopy are used to study oxidation effects of nitric acid on a highly-oriented pyrolytic graphite surface. Various etching times at constant temperature are applied in order to create local binding sites on the surface without creating deep defects. A single and paired chains structure, different from pure graphite at atomic scale, is shown by scanning tunneling microscopy. This can be explained by the presence of oxygenate groups on the surface, revealed by X-ray photoelectron spectroscopy. Both scanning tunneling spectroscopy and X-ray photoelectron spectroscopy demonstrate the vanishing of π bands characteristic of sp$\text{}^{2}$ graphite hybridization. This, in turn, can be explained by dehybridization related to new bondings of the graphite carbons in the oxygenate groups. An important result of area averaging spectroscopy is the observed energetic heterogeneity considered in terms of the changes of local electronic density of states of the oxidized surface.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Influence of Atomic and Electronic Structure of a Tip on Stm Images
Autorzy:: Jurczyszyn, L.
Mingo, N.
Flores, F.
Tematy:: 07.79.Cz
61.16.Ch; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1968715.pdf Link otwiera się w nowym oknie
Opis:: Theoretical studies of the influence of electronic and atomic structure of a tip on scanning tunneling microscopy images are presented. Results are discussed for the scanning of Al(001) and Al(001)+Xe surfaces performed within aluminum and nickel tips of a different geometry.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Scanning Force Microscopy on Laser Ablated Silicon Nitride Films
Autorzy:: Vrînceanu, C.
Flueraru, C.
Dinescu, M.
Vasile, E.
Tematy:: 61.16.Ch
61.16.Bg
68.55.Jk; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1964170.pdf Link otwiera się w nowym oknie
Opis:: The following paper presents a study on laser-ablated silicon nitride films, obtained by the laser reactive ablation method. The aim of this paper is to investigate silicon nitride film surfaces, first by scanning electron microscopy and then, at a better resolution and a greater magnification, by the scanning (atomic) force microscopy technique.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Chemical Reactions and Electronic Functions of Carbon Cluster Arrays Studied by Scanning Tunneling Spectroscopy and High-resolution Electron Energy Loss Spectroscopy
Autorzy:: Kasuya, A.
Hu, C.-W.
Suto, S.
Tohji, K.
Takahashi, H.
Czajka, R.
Wawro, A.
Nishina, Y.
Tematy:: 61.16.Ch
61.14.Rq
73.61.Wp; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1968721.pdf Link otwiera się w nowym oknie
Opis:: Novel nanometer scale structures have been produced by thermal heating or laser irradiation on the surface of single- and multi-layers of C$\text{}_{60}$ and C$\text{}_{84}$ on Si. These structures were examined by combined measurements of scanning tunneling spectroscopy and high resolution electron energy loss spectroscopy. The results show specific chemical reactions of substrate with carbon clusters having single- and double-bonded network. Covalent bonds are formed in some of these chemical reactions.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: STM/AFM Observations of Co/Cu Magnetic Multilayers
Autorzy:: Aleszkiewicz, M.
Kalinowski, R.
Czajka, R.
Polewska, W.
Wawro, A.
Baczewski, L. T.
Raułuszkiewicz, J.
Tematy:: 61.16.Ch
68.65.+g
68.55.Jk; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1955472.pdf Link otwiera się w nowym oknie
Opis:: UHV deposited magnetic Co/Cu multilayers were investigated by means of scanning tunneling microscopy (STM) and atomic force microscopy (AFM). Surface of the sample i.e. upper covering layer in "plane" configuration and individual sublayers in "cross-section" configuration were investigated. A possibility of structure characterization of metallic multilayers by STM and AFM in the cross-section configuration is demonstrated.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: The Improvement of Atomic Force Microscope Suitable for Magnetic Domain Structure Measurements
Autorzy:: Sveklo, I.
Dobrogowski, W.
Kisielewski, M.
Maziewski, A.
Tematy:: 75.70.-i
75.30.Pd
61.16.Ch; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/2013164.pdf Link otwiera się w nowym oknie
Opis:: Based on commercial Burleigh METRIS$\text{}^{TM}$-2000 Atomic Force Microscope two methods of magnetic force measurements were realised. The developed system was successfully applied for study of magnetic structure of both YIG-garnet and CoNi/Pt magneto-optic multilayers.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Spatially Resolved Chemistry on Bimetallic Surfaces
Autorzy:: Behm, R. J.
Tematy:: 61.16.Ch
68.10.Jy
82.65.-i; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1968689.pdf Link otwiera się w nowym oknie
Opis:: The local chemical properties of bimetallic surfaces, which are often drastically different from those of each of the components, will be discussed. Using CO adsorption as a probe molecule it will be shown for two model systems, Au/Pd(111) and Pt/Ru(0001), that their chemical properties depend decisively on the local surface structure and that the correct interpretation of area integrating spectroscopic and kinetic data obtained from such surfaces requires detailed knowledge of their (defect) structure and of the distribution of the different components in the surface layer. It will further be shown that information on the local chemical properties of specific structural elements such as monolayer islands and monolayer island edges, and specific surface ensembles can be gained by applying high resolution scanning tunneling microscopy imaging and area integrating spectroscopic techniques in combination to bimetallic surfaces whose morphology and composition is varied in a systematic and controlled way. Based on experimental results adsorption on a monolayer A / substrate B system is suggested as a model for gaining information on the modifications in chemical properties of AB alloy surfaces due to metal-metal interactions.
Dostawca treści:: Biblioteka Nauki

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