Academic literature on the topic 'Structure; Ion-beam/laser-beam spectroscopy'

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Journal articles on the topic "Structure; Ion-beam/laser-beam spectroscopy"

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Young, L., W. J. Childs, H. G. Berry, C. Kurtz, and T. Dinneen. "Hyperfine structure of147,149Sm ii by collinear laser–ion-beam spectroscopy." Physical Review A 36, no. 5 (1987): 2148–54. http://dx.doi.org/10.1103/physreva.36.2148.

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Villemoes, P., A. W�nnstr�m, A. Arnesen, et al. "Hyperfine structure of Mn II by fast ion beam-laser spectroscopy." Zeitschrift f�r Physik D Atoms, Molecules and Clusters 18, no. 3 (1991): 235–38. http://dx.doi.org/10.1007/bf01437077.

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Huang, Jun Jun, Cheng Mei Gui, Ming Ding, et al. "Effect of Assisted-Ion-Beam Gases on the Structure of Amorphous Silicon Thin Films Prepared by Ion-Beam-Assisted Sputtering." Materials Science Forum 852 (April 2016): 1102–7. http://dx.doi.org/10.4028/www.scientific.net/msf.852.1102.

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In this work, amorphous silicon (a-Si) thin films were prepared by ion-beam-assisted sputtering, the effect of assisted-ion-beam gases on the thin-film structure were investigated using Raman spectroscopy, Fourier transform infrared spectroscopy, and spectroscopic ellipsometry. It was observed that the introduction of assisted-ion beam improved the thin-film structure, and the ion-beam-assisted sputtering a-Si thin films possessed higher short-range order, intermediate-range order, lower microstructure parameter (R*) and defect density of states with the increased of hydrogen concentration in
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Li, Guang-Wu, Xue-Mei Zhang, Fu-Quan Lu, Xian-Jue Peng, and Fu-Jia Yang. "Hyperfine Structure Measurement of LaII by Collinear Fast Ion-Beam-Laser Spectroscopy." Japanese Journal of Applied Physics 40, Part 1, No. 4A (2001): 2508–10. http://dx.doi.org/10.1143/jjap.40.2508.

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Villemoes, P., A. Arnesen, F. Heijkenskjöld, A. Kastberg, and A. Wännström. "Hyperfine structure measurements of 151,153Eu II with fast ion beam-laser spectroscopy." Physics Letters A 162, no. 2 (1992): 178–81. http://dx.doi.org/10.1016/0375-9601(92)90998-2.

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Nakahara, Y., H. Iimura, S. Ichikawa, K. Kotani, M. Wakasugi, and T. Horiguchi. "Measurement of hyperfine structure in Pr II by collinear laser-ion-beam spectroscopy." Hyperfine Interactions 74, no. 1-4 (1992): 312. http://dx.doi.org/10.1007/bf02398641.

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Sen, Amarjit, and William J. Childs. "Hyperfine structure of some excited states ofCs+133by collinear laser-ion beam spectroscopy." Physical Review A 40, no. 4 (1989): 2159–62. http://dx.doi.org/10.1103/physreva.40.2159.

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Penttilä, Heikki, Olga Beliuskina, Laetitia Canete, et al. "Radioactive ion beam manipulation at the IGISOL-4 facility." EPJ Web of Conferences 239 (2020): 17002. http://dx.doi.org/10.1051/epjconf/202023917002.

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The IGISOL-4 facility in the JYFL Accelerator Laboratory of the University of Jyvaskyla (JYFL-ACCLAB) produces low-energy radioactive ion beams, primarily for nuclear spectroscopy, utilizing an ion guide-based, ISOL-type mass separator. Recently, new ion manipulation techniques have been introduced at the IGISOL-4 including the application of the PI-ICR (Phase-Imaging Ion Cyclotron Resonance) technique at the JYFLTRAP Penning trap, as well as commissioning of a Multi-Reflection Time-Of-Flight (MR-TOF) separator/spectrometer. The successful operation of the MR-TOF also required significant impr
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Rivest, R. C., M. R. Izawa, S. D. Rosner, T. J. Scholl, G. Wu, and R. A. Holt. "Laser spectroscopic measurements of hyperfine structure in Pr II." Canadian Journal of Physics 80, no. 5 (2002): 557–62. http://dx.doi.org/10.1139/p02-009.

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We have used fast-ion-beam laser spectroscopy to measure the hyperfine structure of 36 transitions in Pr II in the wavelength range 420–460 nm, obtaining the hyperfine constants of 8 odd-parity levels in the range 0–5079 cm–1 and 32 even-parity levels in the range 22 040–28 578 cm–1 with a typical accuracy of 0.2%. These will find useful application in stellar elemental abundance studies. PACS Nos.: 32.30-r, 32.10-f
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Anjum, N., N. Akhtar, H. Hühnermann, and L. Windholz. "Investigation of the hyperfine structure of143Nd+spectral lines using collinear laser ion beam spectroscopy." Journal of Physics B: Atomic, Molecular and Optical Physics 48, no. 1 (2014): 015003. http://dx.doi.org/10.1088/0953-4075/48/1/015003.

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Dissertations / Theses on the topic "Structure; Ion-beam/laser-beam spectroscopy"

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Shiell, Ralph C. "Experimental investigations of doubly charged atomic and molecular species." Thesis, University of Newcastle Upon Tyne, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294869.

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Heijkenskjöld, Filip. "Experimental Techniques for Studies in Atomic & Molecular Physics." Doctoral thesis, Uppsala University, Department of Physics and Materials Science, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-9295.

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<p>This thesis is based on a selection of six different experimental techniques used for studies in atomic and molecular physics. The techniques analysed in the thesis are compared to find similarities in strategies and ways to avoid sources of error.</p><p>Paper 1 deals with collision based spectroscopy with 60 keV Xe6+ ions on sodium and argon gas targets. Information on energy of Rydberg states in Xe5+ is unveiled by optical spectroscopy in the wavelength range from vacuum ultraviolet (VUV) to visible. In paper 2, the fast ion-beam laser spectroscopy (FIBLAS) is adapted for measuring hyperf
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Jeandet, Antoine. "Spatio-temporal characterization of femtosecond laser pulses using self-referenced Fourier transform spectroscopy Spatio-temporal structure of a petawatt femtosecond laser beam Controlling the velocity of a femtosecond laser pulse using refractive lenses." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASS089.

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La technologie actuelle des lasers ultrabrefs permet de délivrer des impulsions d'une énergie de quelques dizaines de joules dont la durée est de l'ordre de la dizaine de femtosecondes. Focaliser fortement de telles impulsions permet d'obtenir des valeurs d'éclairement considérables, qui sont notamment utilisées pour générer des faisceaux de particules relativistes. Le bon fonctionnement des lasers de ultra-haute intensité nécessite un excellent contrôle des propriétés du faisceau en tout point de la chaîne d'amplification. Développer un tel niveau de contrôle exige de pouvoir mesurer les impe
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Seamons, Scott Andrew. "The collision dynamics of OH(A)+H2." Thesis, University of Oxford, 2015. http://ora.ox.ac.uk/objects/uuid:36319557-1efa-4840-8f46-c15479945a0c.

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This thesis presents a joint experimental and theoretical study of a bimolecular collision between OH(A) and H<sub>2</sub> diatoms. The study focuses on the relationship between the initial, <b><i>j</i></b>, and final rotational angular momentum, <b><i>j'</i></b>. This relationship is explored from both a scalar point of view by measuring rotational energy transfer (RET), and a vectorial viewpoint by considering the collisional depolarisation. The experimental technique used in this investigation, Zeeman quantum beat spectroscopy, is first demonstrated by applying it to the determination of th
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Nikzad, Shouleh Tombrello Thomas A. Tombrello Thomas A. "A study of ion beam sputtering of compound materials with laser spectroscopy\ /." Diss., Pasadena, Calif. : California Institute of Technology, 1990. http://resolver.caltech.edu/CaltechETD:etd-03022007-090722.

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Back, Tekla. "Laser spectroscopy of highly charged ions using an electronic beam ion trap." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.711594.

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Henninger, Katharine Rose. "In-beam spectroscopy of ⁷²Ge." Thesis, Rhodes University, 2012. http://hdl.handle.net/10962/d1018233.

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The high-spin states of the nucleus ⁷²Ge were populated via the ⁷°Zn(a,2n)⁷²Ge fusion-evaporation reaction at a beam-energy of 30 MeV. The ')'-decays were observed with the AFRODITE spectrometer array at iThemba LABS (Faure, South Africa). Twenty-seven new transitions, 18 new levels and 2 new bands were added to the ⁷²Ge level scheme, and several corrections were made to t he previously-known level scheme. Transitions were characterised using Directional Correlation from Oriented states (DCO) and polarisation measurements, and spin-parity assignments were made for 7 new levels. Spin and parity
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Crosby, David N. "Visible and laser spectroscopy of highly charged ions in an electron beam ion trap." Thesis, University of Oxford, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.491358.

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This thesis describes the development of visible and laser spectroscopy techniques for highly charged ions produced in an electron beam ion trap (EBIT). Visible spectroscopy measurements are reported of the 5D3 _5 D2 transition in titaniumlike Ag25+ and Sn28+, yielding results of 6314.81(4) Aand 4981.89(6) Arespectively. These are the most accurate measurements yet made in this system. Furthermore, the work points the way to extending the techniques t9 shorter wavelengths, in particular the vacuum ultraviolet, wherein significant improvements in the measurement of the QED sensitive ls2s 3So -
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Gaarde-Widdowson, Kristina. "Laser spectroscopy of medium-Z hydrogenic ions in the Oxford Electron Beam Ion Trap (EBIT)." Thesis, University of Oxford, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.496894.

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Groves, Paul David. "A study of the 2S Lamb shift of one-electron ions in an electron beam ion trap." Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337827.

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Books on the topic "Structure; Ion-beam/laser-beam spectroscopy"

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Krishnan, Kannan M. Principles of Materials Characterization and Metrology. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198830252.001.0001.

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Characterization enables a microscopic understanding of the fundamental properties of materials (Science) to predict their macroscopic behavior (Engineering). With this focus, the book presents a comprehensive discussion of the principles of materials characterization and metrology. Characterization techniques are introduced through elementary concepts of bonding, electronic structure of molecules and solids, and the arrangement of atoms in crystals. Then, the range of electrons, photons, ions, neutrons and scanning probes, used in characterization, including their generation and related beam-
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Book chapters on the topic "Structure; Ion-beam/laser-beam spectroscopy"

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Kowalewska, D., K. Bekk, S. Göring, et al. "Isotope Shifts and Hyperfine Structure in Polonium Isotopes by Atomic Beam Laser Spectroscopy." In Nuclear Shapes and Nuclear Structure at Low Excitation Energies. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3342-9_8.

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Christen, Dines. "Rotational and Fine-Structure Parameters of CNa X 4Σ− Sodium Carbide." In Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49199-7_87.

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Holt, Richard A., and S. David Rosner. "Fast-ion-beam laser probing of ion-source energy distributions and atomic structure." In LAP 2012. Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-6495-8_6.

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Christen, Dines. "Molecular Constants of C2− X 2Σg+ Ethynyl (1–) Ion." In Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49199-7_109.

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Christen, Dines. "Molecular Constants of ClH++ X 3Σ− Chlorohydrogen (2+) Ion." In Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49199-7_122.

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Christen, Dines. "Molecular Constants of Cl2+ X 2Πg Dichlorine (1+) Ion." In Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49199-7_147.

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Christen, Dines. "Molecular constants of BH+ X 2Σ+ Hydroboron (1+) ion." In Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49199-7_36.

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Christen, Dines. "Molecular Constants of BrH2+ X 3Σ− Bromohydrogen (2+) Ion." In Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49199-7_55.

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Christen, Dines. "Potential Energy Curves of CTa+ X 3Σ+ Methanetetrayltantalum (1+) Ion." In Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49199-7_101.

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Christen, Dines. "Bond Energy of CaXe+ X2Σ+ Xenon-Calcium Dimer (1+) Ion." In Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49199-7_114.

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Conference papers on the topic "Structure; Ion-beam/laser-beam spectroscopy"

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Evans, Ryan D. "Cross-Sectional Analysis of Antiwear Films and Near-Surface Material From Tapered Roller Bearings." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-64060.

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Transmission electron microscopy (TEM) was performed on cross-sectional samples from tapered roller bearing cone raceways. The bearings were tested in mineral oil with and without sulfur- and phosphorus-containing gear oil additives. Focused ion beam techniques were used for TEM specimen preparation. Imaging, electron diffraction, and x-ray energy dispersive spectroscopy revealed the structure and composition of near surface material (depth &amp;lt; 500 nm) and surface layers.
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Pan, Zixiao, Wei Wei, and Fuhe Li. "Fast Turn-around Failure Analysis of Metal Interconnection Using FIB and LA ICP-MS." In ISTFA 2010. ASM International, 2010. http://dx.doi.org/10.31399/asm.cp.istfa2010p0285.

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Abstract This paper introduces our effort in failure analysis of a 200 nm thick metal interconnection on a glass substrate and covered with a passivation layer. Structural damage in localized areas of the metal interconnections was observed with the aid of focused ion beam (FIB) cross-sectioning. Laser ablation inductively coupled plasma mass spectroscopy (LA ICP-MS) was then applied to the problematic areas on the interconnection for chemical survey. LA ICP-MS showed direct evidence of localized chemical contamination, which has likely led to corrosion (or over-etching) of the metal interconn
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Lioubimov, V., M. Wada, M. Ogawa, et al. "Precision Fast Ion Beam Laser Spectroscopy of Ar[sup +]." In 4TH INTERNATIONAL CONFERENCE ON LASER PROBING—LAP 2008. AIP, 2009. http://dx.doi.org/10.1063/1.3115608.

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Lue, Jen-Lang, Michael Hsieh, and Danny Kao. "A Study of the Radiation Damage at the Opened/Un-Opened Contact of a Deep Trench Capacitor DRAM." In ISTFA 2004. ASM International, 2004. http://dx.doi.org/10.31399/asm.cp.istfa2004p0465.

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Abstract This paper studies the effects of an electron beam and an ion beam in sample preparation at the borderless bit-line contact (CB) between a transistor and a bit line in a deep trench capacitor DRAM [1] using the Transmission Electron Microscope (TEM) and the Electron Energy Loss Spectroscope (EELS). An abnormal region in the Si substrate was observed using cross-sectional TEM (XTEM) analysis at both the opened and un-opened CB contacts when normal sample preparation procedures were applied. CBED (Convergent Beam Electron Diffraction) in the TEM verifies this region is a structure of am
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Vogel, Dietmar, Astrid Gollhardt, and Bernd Michel. "Localized High-Resolution Stress Measurements on MEMS Structures." In ASME 2009 InterPACK Conference collocated with the ASME 2009 Summer Heat Transfer Conference and the ASME 2009 3rd International Conference on Energy Sustainability. ASMEDC, 2009. http://dx.doi.org/10.1115/interpack2009-89106.

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Three different methods of stress measurement with strong spatial resolution are presented. They base on stress relief techniques caused by focused ion beam milling, on altered electron backscattering by deformed lattices and on Stokes line shift measurements by Raman spectroscopy. The capability of these methods is demonstrated by their application to typical MEMS structures. A comparison between the methods is performed in order to outline potentials and limitations.
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Riederer, D. E., R. Chatterjee, N. Winograd, and Z. Postawa. "Multiphoton Ionization of Ion-Beam and Laser Desorbed Molecules from Organic Surfaces." In Resonance ionization spectroscopy 1996: Eighth international symposium. AIP, 1997. http://dx.doi.org/10.1063/1.52226.

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Aoi, Nori, Matko Milin, Tamara Niksic, Suzana Szilner та Dario Vretenar. "In Beam γ-ray Spectroscopy at RI Beam Factory". У NUCLEAR STRUCTURE AND DYNAMICS ’09: Proceedings of the International Conference. AIP, 2009. http://dx.doi.org/10.1063/1.3232157.

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Eeckhaudt, S. "In-beam spectroscopy of 254No." In FRONTIERS IN NUCLEAR STRUCTURE, ASTROPHYSICS, AND REACTIONS - FINUSTAR. AIP, 2006. http://dx.doi.org/10.1063/1.2200977.

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Benzoni, G. "In-beam γ spectroscopy using DIC with a radioactive Ne beam". У FUSION06: Reaction Mechanisms and Nuclear Structure at the Coulomb Barrier. AIP, 2006. http://dx.doi.org/10.1063/1.2338354.

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Doornenbal, Pieter. "In-beam gamma-ray spectroscopy at the RIBF." In Nuclear Structure and Dynamics ’15. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4932245.

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