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Thematische Bibliographien / Electron spectroscopie / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Electron spectroscopie“

Autor: Grafiati

Veröffentlicht am 25. Mai 2024

Zuletzt aktualisiert am 31. Juli 2025

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1

MIKI, Hideho, Tamio KAMIDATE, Hiroto WATANABE, Mamoru TAMURA, and Isao YAMAZAKI. "Electron spin resonance spectroscopie method for the identification animal meats." Analytical Sciences 6, no. 3 (1990): 459–60. http://dx.doi.org/10.2116/analsci.6.459.

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2

Reuther, H. "Conversion Electron Moessbauer Spectroscopie Studies on Ion Implanted Iron Layers." Isotopenpraxis Isotopes in Environmental and Health Studies 24, no. 11-12 (1988): 419–22. http://dx.doi.org/10.1080/10256018808624018.

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3

Marmet, Paul, and Hamid K. Nasrallah. "Spectroscopie d'électroionisation de HBr et DBr entre 11 et 25 eV." Canadian Journal of Physics 63, no. 8 (1985): 1015–21. http://dx.doi.org/10.1139/p85-167.

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Electroionization spectra of HBr and DBr are measured and analyzed between the ionization threshold and 25 eV. Several negative-ion states having configurations (4pσ) (4pπ)4 5s2, 5p2, and 4d2, associated with Rydberg states converging to the 2Σ+ limit, have been identified. Other structures result from the excitation of the inner 4sσ electron. Finally, data on DBr are used to confirm the interpretation.

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4

Zhang, Ying, Dongdong Qi, Jianzhuang Jiang, and Xuan Sun. "A novel photochromic and electrochromic europium tetraazaporphyrinato and phthalocyaninato heteroleptic double-decker for information storage." Journal of Porphyrins and Phthalocyanines 13, no. 12 (2009): 1197–205. http://dx.doi.org/10.1142/s1088424609001558.

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A novel tetraazaporphyrinato and phthalocyaninato mixed heteroleptic double-decker sandwich rare-earth compound with photochromic and electrochromic features has been facilely synthesized by one-pot reaction using Eu(acac)3 ·n H2O , metal-free phthalocyanine H2Pc′ ( Pc′ = 2,3,9,10,16,17,23,24-octakis(decyloxy)phthalocyanine), and the photochromic precursor 1,2-dicyano-l,2-bis(2,3,5-trimethyl-3-thienyl)ethane as starting materials. The compound was well characterized by elemental analysis and various spectroscopic methods including UV-vis, IR, 1H NMR, and mass spectroscopies. The electrochemica

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Menningen, K. L., M. A. Childs, H. Toyoda, L. W. Anderson, and J. E. Lawler. "Evaluation of a substrate pretreatment for hot filament CVD of diamond." Journal of Materials Research 9, no. 4 (1994): 915–20. http://dx.doi.org/10.1557/jmr.1994.0915.

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The absolute concentration of methyl radicals (CH3) and the mole fraction of acetylene (C2H2) are measured in a hot filament chemical vapor deposition (CVD) system both during and after an initial pretreatment that has been used successfully in microwave plasma and oxyacetylene torch CVD systems to produce more uniform and higher density crystal nucleation. The pretreatment technique, which consists of deposition for a relatively short time with a high input concentration of hydrocarbon in the feed gas, was studied for both methane (CH4) and C2H2 as the input hydrocarbon diluted in H2. Scannin

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DEY, S. C., and S. S. NATH. "SIZE-DEPENDENT PHOTOLUMINESCENCE AND ELECTROLUMINESCENCE OF COLLOIDAL CdSe QUANTUM DOTS." International Journal of Nanoscience 12, no. 02 (2013): 1350013. http://dx.doi.org/10.1142/s0219581x13500130.

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Here we adopt a convenient green chemical route for synthesis of CdSe quantum dots, their characterization by UV/Vis absorption spectroscopy, X-ray diffraction study and transmission electron microscopy. We carry out photoluminescence and electroluminescence spectroscopy to investigate the variation in electro-optical property with size. By UV/Vis spectroscopy, blue shift is revealed and bandgap is also calculated. X-ray diffraction spectrum reveals cubic structure and transmission electron micrographs show quantum dots of different size distributions (in the range 2–8 nm). Both the luminescen

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Christopher, Joshua, Masoud Taleb, Achyut Maity, Mario Hentschel, Harald Giessen, and Nahid Talebi. "Electron-driven photon sources for correlative electron-photon spectroscopy with electron microscopes." Nanophotonics 9, no. 15 (2020): 4381–406. http://dx.doi.org/10.1515/nanoph-2020-0263.

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AbstractElectron beams in electron microscopes are efficient probes of optical near-fields, thanks to spectroscopy tools like electron energy-loss spectroscopy and cathodoluminescence spectroscopy. Nowadays, we can acquire multitudes of information about nanophotonic systems by applying space-resolved diffraction and time-resolved spectroscopy techniques. In addition, moving electrons interacting with metallic materials and optical gratings appear as coherent sources of radiation. A swift electron traversing metallic nanostructures induces polarization density waves in the form of electronic c

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Shimizu, Ryuichi, and Hideki Yoshikawa. "Monte Carlo Simulation of Background in electron spectroscopies." Proceedings, annual meeting, Electron Microscopy Society of America 50, no. 2 (1992): 1664–65. http://dx.doi.org/10.1017/s0424820100132959.

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Recent progress in getting precise knowledge on inelastic scattering, particularly, on dielectric functions for various types of material has been enabling the electron spectroscopic spectra obtained by Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS) and reflection electron energy loss spectroscopy (REELS) to be reproduced theoretically with considerable success. For this Monte Carlo simulation is probably most powerful tool, leading to more comprehensive understanding of not only the signal generation but also the background formation.In this paper we present a Monte

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SCHEIPERS, A., and H. MERZ. "CORRELATION EFFECTS IN NiO: COMPARISON OF NEAR THRESHOLD EXCITATION SPECTROSCOPIES." International Journal of Modern Physics B 07, no. 01n03 (1993): 337–40. http://dx.doi.org/10.1142/s0217979293000706.

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At UHV-cleaved single-crystal NiO(100) surfaces core electron energy loss spectra (CEELS) at low primary energy and soft x-ray appearance potential spectra (SXAPS) have been measured at the oxygen K-threshold: the near-edge fine-structures have been investigated up to 40 eV above the threshold. Both spectroscopic methods probe in different ways the structure of the lowest empty states. CEELS is closely related to x-ray absorption spectroscopy (XAS), in both cases the excited final configuration consists of one core hole and one additional electron near the Fermi level E F. In APS we can study

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10

Orosz, Gábor Tamás, György Gergely, Sándor Gurbán, Miklós Menyhard, and Aleksander Jablonski. "Inelastic Mean Free Path Data for Si Corrected for Surface Excitation." Microscopy and Microanalysis 11, no. 6 (2005): 581–85. http://dx.doi.org/10.1017/s1431927605050713.

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Surface-sensitive electron spectroscopies, like Auger electron spectroscopy, X-ray photoelectron spectroscopy and elastic peak electron spectroscopy (EPES) are suitable techniques to investigate surfaces and thin layers. A theoretical model for electron transport is needed to process the observed electron spectra. Electron transport descriptions are based on the differential elastic cross sections for the sample atoms and the inelastic mean free path (IMFP) of backscattered electrons. An electron impinging on the sample can lose energy either due to surface or volume excitations. In the presen

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Na, M. X., A. K. Mills, F. Boschini, et al. "Direct determination of mode-projected electron-phonon coupling in the time domain." Science 366, no. 6470 (2019): 1231–36. http://dx.doi.org/10.1126/science.aaw1662.

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Ultrafast spectroscopies have become an important tool for elucidating the microscopic description and dynamical properties of quantum materials. In particular, by tracking the dynamics of nonthermal electrons, a material’s dominant scattering processes can be revealed. Here, we present a method for extracting the electron-phonon coupling strength in the time domain, using time- and angle-resolved photoemission spectroscopy (TR-ARPES). This method is demonstrated in graphite, where we investigate the dynamics of photoinjected electrons at the K¯ point, detecting quantized energy-loss processes

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Jansen, A. G. M., and P. Wyder. "Experimental overview of point-contact spectroscopy in metals." Soviet Journal of Low Temperature Physics 18, no. 5 (1992): 311. https://doi.org/10.1063/10.0033149.

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The smallness of metallic contacts (the contact size is smaller than the electron mean free path) permits spectroscopic studies to be made with respect to the well-defined excess energy eV of electrons by tuning the applied voltage V. Examples of point-contact spectroscopy will be given for the study of energy-dependent scattering of the electrons by quasiparticle excitations within a metal (phonons, magnons, paramagnetic impurities crystal field levels). The limitations of the point-contact technique will be discussed. The ballistic transport enables studies of other phenomena under the volta

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Dapor, Maurizio. "Charge Phenomena in the Elastic Backscattering of Electrons from Insulating Polymers." Polymers 16, no. 16 (2024): 2329. http://dx.doi.org/10.3390/polym16162329.

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Elastic peak electron spectroscopy (EPES) analyzes the shape of the line found in the elastic peak. The reduction in energy of the elastic peak electrons is the result of energy transfer to the target atoms, a phenomenon known as recoil energy. EPES differs from other electron spectroscopies in its unique ability to identify hydrogen in polymers and hydrogenated carbon-based materials. This feature is particularly noteworthy as lighter elements exhibit stronger energy shifts. The energy difference between the positions of the elastic peak of carbon and the elastic peak of hydrogen tends to inc

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Lee, Geon-Woo, Young-Bok Lee, Dong-Hyun Baek, Jung-Gon Kim, and Ho-Seob Kim. "Raman Scattering Study on the Influence of E-Beam Bombardment on Si Electron Lens." Molecules 26, no. 9 (2021): 2766. http://dx.doi.org/10.3390/molecules26092766.

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Microcolumns have a stacked structure composed of an electron emitter, electron lens (source lens), einzel lens, and a deflector manufactured using a micro electro-mechanical system process. The electrons emitted from the tungsten field emitter mostly pass through the aperture holes. However, other electrons fail to pass through because of collisions around the aperture hole. We used Raman scattering measurements and X-ray photoelectron spectroscopy analyses to investigate the influence of electron beam bombardment on a Si electron lens irradiated by acceleration voltages of 0, 20, and 30 keV.

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15

Al-Masoud, May Ahmed, Mai M. Khalaf, Fakiha El-Taib Heakal, et al. "Advanced Protective Films Based on Binary ZnO-NiO@polyaniline Nanocomposite for Acidic Chloride Steel Corrosion: An Integrated Study of Theoretical and Practical Investigations." Polymers 14, no. 21 (2022): 4734. http://dx.doi.org/10.3390/polym14214734.

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Due to their thermal stability characteristics, polymer/composite materials have typically been employed as corrosion inhibitors in a variety of industries, including the maritime, oil, and engineering sectors. Herein, protective films based on binary ZnO-NiO@polyaniline (ZnNiO@PANE) nanocomposite were intended with a respectable yield. The produced nanocomposite was described using a variety of spectroscopic characterization methods, including dynamic light scattering (DLS), ultraviolet–visible spectroscopy (UV-Vis), Fourier-transform infrared spectroscopy (FTIR), and X-ray photoelectron spec

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Webster, Richard D. "Electrochemical and Spectroscopic Characterization of Oxidized Intermediate Forms of Vitamin E." Molecules 27, no. 19 (2022): 6194. http://dx.doi.org/10.3390/molecules27196194.

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Vitamin E, a collection of lipophilic phenolic compounds based on chroman-6-ol, has a rich and fascinating oxidative chemistry involving a range of intermediate forms, some of which are proposed to be important in its biological functions. In this review, the available electrochemical and spectroscopic data on these oxidized intermediates are summarized, along with a discussion on how their lifetimes and chemical stability are either typical of similar phenolic and chroman-6-ol derived compounds, or atypical and unique to the specific oxidized isomeric form of vitamin E. The overall electroche

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ATWATER, HARRY A., C. C. AHN, S. S. WONG, G. HE, H. YOSHINO, and S. NIKZAD. "ENERGY-FILTERED RHEED AND REELS FOR IN SITU REAL TIME ANALYSIS DURING FILM GROWTH." Surface Review and Letters 04, no. 03 (1997): 525–34. http://dx.doi.org/10.1142/s0218625x9700050x.

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Energy-filtered reflection high energy electron diffraction and reflection electron energy loss spectroscopy expand the usefulness of reflection high energy electron diffraction for quantitative structure determination and surface spectroscopy during film growth. Several implementations of energy-filtered reflection high energy electron diffraction are discussed, along with the progress and prospects for structure determination. New developments in parallel detection reflection electron energy loss spectroscopy (PREELS) enable the use of this method to obtain surface-spectroscopic information

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Reimer, L. "Electron Spectroscopic Imaging and Diffraction in TEM." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 2 (1990): 66–67. http://dx.doi.org/10.1017/s0424820100133928.

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Energy-filtering electron microscopy at 80 keV (ZEISS EM902) offers the combination of electron spectroscopic imaging (ESI) and diffraction (ESD) and electron energy-loss spectroscopy (EELS). For details the reader is referred to a description of the different modes, applications of ESI to biological and crystalline specimens and of ESD. The very important mode of elemental mapping with the difference of ESI below and beyond an edge will not be discussed in this review.The ESI mode increases scattering contrast of stained and unstained biological sections and avoids chromatic aberration by zer

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Wagner, R. C., and S. C. Chen. "Ultrastructural distribution of terbium across capillary endothelium: detection by electron spectroscopic imaging and electron energy loss spectroscopy." Journal of Histochemistry & Cytochemistry 38, no. 2 (1990): 275–82. http://dx.doi.org/10.1177/38.2.2299181.

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We used terbium as an intravital tracer of permeability pathways across the walls of capillaries in the rete mirabile of the eel swimbladder and in frog mesentery. Terbium was detected in unstained ultra-thin sections by electron density using electron spectroscopic imaging (ESI) and by electron energy loss spectroscopy (EELS). Enhancement of intrinsic contrast in zero loss images (elastically scattered electrons) permitted imaging of membrane-bound compartments and terbium within them which might otherwise have been undetected in counterstained sections. Element-selective imaging with EELS in

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Sahu, Sumit Ranjan, Mayanglambam Manolata Devi, Puspal Mukherjee, Pratik Sen, and Krishanu Biswas. "Optical Property Characterization of Novel Graphene-X (X=Ag, Au and Cu) Nanoparticle Hybrids." Journal of Nanomaterials 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/232409.

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The present investigation reports new results on optical properties of graphene-metal nanocomposites. These composites were prepared by a solution-based chemical approach. Graphene has been prepared by thermal reduction of graphene oxide (GO) at 90°C by hydrazine hydrate in an ammoniacal medium. This ammoniacal solution acts as a solvent as well as a basic medium where agglomeration of graphene can be prevented. This graphene solution has further been used for functionalization with Ag, Au, and Cu nanoparticles (NPs). The samples were characterized by X-ray diffraction (XRD), Raman spectroscop

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Sulyok, A., and G. Gergely. "Electron spectroscopic studies on FeNi alloys using ionization loss spectroscopy (ILS), Auger electron spectroscopy (AES) and elastic peak electron spectroscopy (EPES)." Surface Science 213, no. 2-3 (1989): 327–35. http://dx.doi.org/10.1016/0039-6028(89)90294-x.

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Sulyok, A., and G. Gergely. "Electron spectroscopic studies on FeNi alloys using ionization loss spectroscopy (ILS), Auger Electron Spectroscopy (AES) and Elastic Peak Electron Spectroscopy (EPES)." Surface Science Letters 213, no. 2-3 (1989): A222. http://dx.doi.org/10.1016/0167-2584(89)90459-3.

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23

NAGATOMI, Takaharu, and Shigeo TANUMA. "Surface Excitations in Surface Electron Spectroscopies Studied by Reflection Electron Energy-Loss Spectroscopy and Elastic Peak Electron Spectroscopy." Analytical Sciences 26, no. 2 (2010): 165–76. http://dx.doi.org/10.2116/analsci.26.165.

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Joy, David C., Suichu Luo, John R. Dunlap, Dick Williams, and Siqi Cao. "Stopping-power determination for compound by EELS." Proceedings, annual meeting, Electron Microscopy Society of America 52 (1994): 948–49. http://dx.doi.org/10.1017/s0424820100172474.

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In Physics, Chemistry, Materials Science, Biology and Medicine, it is very important to have accurate information about the stopping power of various media for electrons, that is the average energy loss per unit pathlength due to inelastic Coulomb collisions with atomic electrons of the specimen along their trajectories. Techniques such as photoemission spectroscopy, Auger electron spectroscopy, and electron energy loss spectroscopy have been used in the measurements of electron-solid interaction. In this paper we present a comprehensive technique which combines experimental and theoretical wo

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Hunt, J. A., G. Kothleitner, and R. Harmon. "Comparison of STEM EELS Spectrum Imaging vs EFTEM Spectrum Imaging." Microscopy and Microanalysis 5, S2 (1999): 616–17. http://dx.doi.org/10.1017/s1431927600016408.

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Electron energy-loss spectroscopy (EELS) in the transmission electron microscope (TEM) analyzes the energy distribution of the probe electrons after they have lost energy within the sample. The resultant energy-losses are characteristic of elemental, chemical, and dielectric properties and are typically measured in one of two ways. Parallel-detection EELS spectrometers (PEELS) acquire large energy ranges of the energy-loss spectrum simultaneously for rapid acquisition of spectral data at a single area. In contrast, the energy filtering TEM (EFTEM) acquires only a single energy band at once, bu

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Hembree, Gary G., Frank C. H. Luo, and John A. Venables. "Auger electron spectroscopy and microscopy in STEM." Proceedings, annual meeting, Electron Microscopy Society of America 49 (August 1991): 464–65. http://dx.doi.org/10.1017/s0424820100086623.

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Spatial resolution in Auger electron spectroscopy (AES) is primarily a function of the excitation beam current distribution. For highest resolution the question of how to produce such a small probe of electrons is coupled with how to extract the secondary electrons efficiently from the sample. Kniit and Venables have shown the optimum configuration for highest resolution AES is a combination of a magnetic immersion lens, additional solenoids (“parallelizers“) to shape the weak magnetic field in the low energy electron transport region and a concentric hemispherical analyzer (CHA) to disperse a

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Wu, Kejun, Pankaj Koinkar, and Akihiro Furube. "Preparation of WS2–TiO2–Au using hydrothermal synthesis for photocatalysis under visible light." International Journal of Modern Physics B 35, no. 14n16 (2021): 2140046. http://dx.doi.org/10.1142/s0217979221400464.

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In this study, the preparation of ternary photocatalyst using a simple hydrothermal method is shown with high performance. A ternary composite consisting of tungsten sulfide (WS[Formula: see text] nanosheets, titanium oxide (TiO[Formula: see text] and gold (Au) nanoparticles is used to the extend the visible-light absorption region of TiO2. The morphological and spectroscopic natures of the prepared sample were analyzed using scanning electron microscopy (SEM), Raman spectroscopy and ultraviolet–visible (UV–vis) photospectroscopy. The photocatalysis measurement for photodegradation of methylen

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Mayer, J. "Electron spectroscopic imaging and diffraction: applications II materials science." Proceedings, annual meeting, Electron Microscopy Society of America 50, no. 2 (1992): 1198–99. http://dx.doi.org/10.1017/s0424820100130626.

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With imaging energy filters becoming commercially available in transmission electron microscopy many of the limitations of conventional TEM instruments can be overcome. Energy filtered images of diffraction patterns can now be recorded without scanning using efficient parallel (2-dimensional detection. We have evaluated a prototype of the Zeiss EM 912 Omega, the first commercially available electron microscope with integrated imaging Omega energy filter. Combining the capabilities of the imaging spectrometer with the principal operation modes of a TEM gives access to many new qualitative and q

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Hu, Kaiyue, Luigi Brambilla, Patrizia Sartori, et al. "Development of Tailored Graphene Nanoparticles: Preparation, Sorting and Structure Assessment by Complementary Techniques." Molecules 28, no. 2 (2023): 565. http://dx.doi.org/10.3390/molecules28020565.

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We present a thorough structural characterization of Graphene Nano Particles (GNPs) prepared by means of physical procedures, i.e., ball milling and ultra-sonication of high-purity synthetic graphite. UV-vis absorption/extinction spectroscopy, Dynamic Light Scattering, Transmission Electron Microscopy, IR and Raman spectroscopies were performed. Particles with small size were obtained, with an average lateral size <L> = 70–120 nm, formed by few <N> = 1–10 stacked layers, and with a small number of carboxylic groups on the edges. GNPs relatively more functionalized were separated by

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Reimer, L., R. Rennekamp, and A. Bakenfelder. "Electron spectroscopic imaging of thick crystalline specimens." Proceedings, annual meeting, Electron Microscopy Society of America 47 (August 6, 1989): 412–13. http://dx.doi.org/10.1017/s0424820100154032.

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Electron spectroscopic imaging (ESI) by an energy-filtering electron microscope (EFEM, Zeiss EM902) shows the following advantages when compared with the unfiltered bright-field mode:1.The zero-loss image does not contain the contribution of inelastically scattered electrons. Though plasmon scattering shows a conversation of Bragg contrast - edge and bent contours and lattice defect images -, the angular distribution of inelastically scattered electrons results in a broader spectrum of excitation errors and a blurring of Bragg contrast.2.The zero-loss image avoids the chromatic aberration of i

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Sharma, Shubham, Swarna Jaiswal, Brendan Duffy, and Amit Jaiswal. "Nanostructured Materials for Food Applications: Spectroscopy, Microscopy and Physical Properties." Bioengineering 6, no. 1 (2019): 26. http://dx.doi.org/10.3390/bioengineering6010026.

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Nanotechnology deals with matter of atomic or molecular scale. Other factors that define the character of a nanoparticle are its physical and chemical properties, such as surface area, surface charge, hydrophobicity of the surface, thermal stability of the nanoparticle and its antimicrobial activity. A nanoparticle is usually characterized by using microscopic and spectroscopic techniques. Microscopic techniques are used to characterise the size, shape and location of the nanoparticle by producing an image of the individual nanoparticle. Several techniques, such as scanning electron microscopy

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Andrievskii, V. V., E. I. Ass, and Yu F. Komnik. "Cyclotron spectroscopy of electron–phonon relaxation in point contacts." Soviet Journal of Low Temperature Physics 18, no. 5 (1992): 351–53. https://doi.org/10.1063/10.0033165.

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Injection of charge carriers into a metal through a point contact promotes high nonequilibrium in the electron–phonon system. Some of the injected electrons go back to the point contact as a result of interaction with intrinsic excitations in the metal and define the nonlinear properties of the contact. These processes provide the basis of the point-contact spectroscopy of electron–phonon interaction1. A considerable part of the injected electrons penetrates deep into the metal, bringing away the information on the relaxation processes in the point contact. Thus, the current-carrying point con

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Taha, Amel, and Hanaa A. Hassanin. "Facile Green Synthesis of Ni(OH)2@Mn3O4 Cactus-Type Nanocomposite: Characterization and Cytotoxicity Properties." Molecules 27, no. 24 (2022): 8703. http://dx.doi.org/10.3390/molecules27248703.

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In the present work, the facile eco-friendly synthesis and evaluation of the anti-tumor activity of Ni(OH)2@Mn3O4 nanocomposite were carried out. The synthesis of Ni(OH)2@Mn3O4 nanocomposite from chia-seed extract was mediated by sonication. The obtained materials were characterized by different spectroscopic techniques such as transmission electron microscopy (TEM), scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), ultraviolet-visible (UV-Vis), and Fourier transform infrared (FT-IR) spectroscopies.

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Cantow, H. J., M. Kunz, and M. Möller. "Electron spectroscopic imaging (ESI) on multiphase polymer materials." Proceedings, annual meeting, Electron Microscopy Society of America 47 (August 6, 1989): 348–49. http://dx.doi.org/10.1017/s0424820100153713.

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In transmission electron microscopy the natural contrast of polymers is very low. Thus the contrast has to be enhanced by staining with heavy metals. The resolution is limited by the size of the staining particles and by the fact that electrons with different energy are focused in different image planes due to the chromatic aberration of the magnetic lenses. The integration of an electron energy loss spectrometer into the optical coloumn of a transmission electron microscope offers the possibility to use monoenergetic electrons and to select electrons with a certain energy for imaging. Thus co

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Caciuffo, R., E. C. Buck, D. L. Clark, and G. van der Laan. "Spectroscopic characterization of actinide materials." MRS Bulletin 35, no. 11 (2010): 889–95. http://dx.doi.org/10.1557/mrs2010.716.

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Advanced spectroscopic techniques provide new and unique tools for unraveling the nature of the electronic structure of actinide materials. Inelastic neutron scattering experiments, which address temporal aspects of lattice and magnetic fluctuations, probe electromagnetic multipole interactions and the coupling between electronic and vibrational degrees of freedom. Nuclear magnetic resonance clearly demonstrates different magnetic ground states at low temperature. Photoemission spectroscopy provides information on the occupied part of the electronic density of states and has been used to inves

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Ray, Sekhar C., and W. F. Pong. "Possible Ferro-electro-magnetic performance of “reduced graphene oxide” deposited on “ZnO-nanorod (NR) decorated with nanocrystalline (nc) Au particles”." AIP Advances 12, no. 5 (2022): 055008. http://dx.doi.org/10.1063/5.0091852.

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Possible ferro-electromagnetic performance of “ reduced graphene oxide ( r-GO)” deposited on the surface of “ ZnO-nanorod ( NR) decorated with nanocrystalline ( nc) Au particles” is studied using different spectroscopies and magnetic measurements. The presence of carbon/zinc-interstitials (Zn i), nc-Au, and oxygen vacancies are established through electronic property studies using different spectroscopic measurements. The magnetic moment (M) applied magnetic field (H) curve and electrical measurement current (I)–voltage (V) loops show that nc-Au/ZnO-NRs:r-GO is ferromagnetic and partial ferroe

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van Kempen, H., and H. F. C. Hoevers. "Keeping track of conduction electrons." Soviet Journal of Low Temperature Physics 18, no. 5 (1992): 348–51. https://doi.org/10.1063/10.0033164.

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The method of transverse electron focusing allows the study of conduction electrons which move in precisely known cyclotron orbits. As the electrons are injected and detected by means of point contacts at fixed positions, the orbits in real space are known as well. This paper reports the results of spectroscopic experiments with ballistic electrons in electron focusing and related geometries.

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Tampieri, Francesco, Matteo Tommasini, Stefano Agnoli, Marco Favaro, and Antonio Barbon. "N-Doped Graphene Oxide Nanoparticles Studied by EPR." Applied Magnetic Resonance 51, no. 11 (2020): 1481–95. http://dx.doi.org/10.1007/s00723-020-01276-0.

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AbstractGraphene-derived materials attract a great deal of attention because of the peculiar properties that make them suitable for a wide range of applications. Among such materials, nano-sized systems show very interesting behaviour and high reactivity. Often such materials have unpaired electrons that make them suitable for electron paramagnetic resonance (EPR) spectroscopy. In this work we study by continuous wave and pulse EPR spectroscopy undoped and nitrogen-doped graphene quantum dots (GQD) with a size of about 2 nm. The analysis of the spectra allows identifying different types of par

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Hunt, J. A., and R. H. Harmon. "EFTEM and STEM EELS Spectrum Imaging." Microscopy and Microanalysis 4, S2 (1998): 152–53. http://dx.doi.org/10.1017/s1431927600020882.

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Electron energy-loss spectroscopy (EELS) in the transmission electron microscope (TEM) is a powerful technique that analyzes the inelastic scattering distribution of the fast TEM electrons after they have lost energy within the sample. The resultant energy-losses are characteristic of elemental, chemical, and dielectric properties and are typically measured in one of two ways. Parallel-detection EELS spectrometers (PEELS) acquire spectral data over a large range of energy-loss simultaneously for rapid acquisition of spectral data at a single point. In contrast, the energy filtering TEM (EFTEM)

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Alexander, Jessica A., Frank J. Scheltens, Lawrence F. Drummy, et al. "Variable Angle Spectroscopic Ellipsometry and Electron Energy-Loss Spectroscopy." Microscopy and Microanalysis 21, S3 (2015): 1471–72. http://dx.doi.org/10.1017/s1431927615008132.

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Bruley, John. "ELNES: An Electron Spectroscopic Tool to Study Complex Microstructures." Microscopy Today 2, no. 1 (1994): 19–20. http://dx.doi.org/10.1017/s155192950006212x.

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The presence of internal boundaries can significantly influence many important properties of materials, such as fracture toughness, creep, electrical conductivity and magnetic behavior. Interfacial structure, chemical composition and bonding, on a nanometer length scale, are often controlling and sought after factors influencing these properties. An electron spectroscopic technique, known as energy-loss near edge structure (ELNES) analysis, can be utilized to probe compositional and bonding variations with a spatial resolution less than 1 nm and is therefore well suited to this endeavor.When a

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Venables, J. A., G. G. Hembree, and C. J. Harland. "Electron spectroscopy in SEM and STEM." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 2 (1990): 378–79. http://dx.doi.org/10.1017/s0424820100135496.

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Low energy electrons, in the energy range 0-2 keV, are very useful in surface science. Both secondary (0-100 eV nominally) and Auger (50-2 keV) electrons can be used as analytic signals in ultra-high vacuum (UHV) scanning (SEM) and scanning transmission (STEM) electron microscopes. This paper briefly reviews some ongoing projects, which are aimed at improving the spatial resolution and information content of these signals.Both secondary electron imaging (SEI) and Auger electrons spectroscopy (AES) have a long history. Reviews of AES and its microscopic counterpart scanning Auger microscopy (SA

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Iwami, M., Y. Watanabe, H. Kato, M. Nakayama, and N. Sano. "Structure of GaAs-In0.2Ga0.8As heterojunction interface studied by electron spectroscopies: X-ray photoelectron spectroscopy, tunable electron energy loss spectroscopy and Auger electron spectroscopy." Thin Solid Films 146, no. 3 (1987): 291–97. http://dx.doi.org/10.1016/0040-6090(87)90436-6.

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Barckhaus, R. H., I. Fromm, H. J. Höhling, and L. Reimer. "Advantage of Electron Spectroscopic Diffraction on Calcified Tissue Sections." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 2 (1990): 362–63. http://dx.doi.org/10.1017/s0424820100135411.

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Different stages in the mineralization of calcified tissues can be investigated by electron diffraction. A disadvantage is the strong background below the Debye—Scherrer rings caused by the large massthickness of calcified products and the high ratio (≃ 3) of the inelastic—to—elastic scattering cross—sections of the embedding material. Therefore, a large fraction of the background consists of inelastically scattered electrons with energy losses. The electron spectroscopic diffraction (ESD) mode of an energy—filtering microscope (ZEISS EM902) allows to record diffraction patterns using only the

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Ji, Zhurun, Rucheng Dai, and Zengming Zhang. "Characterization of fine particulate matter in ambient air by combining TEM and multiple spectroscopic techniques – NMR, FTIR and Raman spectroscopy." Environmental Science: Processes & Impacts 17, no. 3 (2015): 552–60. http://dx.doi.org/10.1039/c4em00678j.

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We report a study of the microstructures and spectroscopic characteristics of PM<sub>2.5</sub>and its potential sources in Beijing by combining transmission electron microscopy and multiple spectroscopic techniques: nuclear magnetic resonance, Fourier transform infrared and Raman spectroscopy.

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Yamada, Kiyotaka, Junji Ikeda, and Giuseppe Pezzotti. "Development of Piezo-Spectroscopic Techniques for Nano-Scale Stress Analysis in the Scanning Electron Microscope of Zirconia Bioceramics Based on Rare-Earth Fluorescence." Key Engineering Materials 309-311 (May 2006): 1215–18. http://dx.doi.org/10.4028/www.scientific.net/kem.309-311.1215.

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The electro-stimulated luminescence spectrum of a rare-earth ion added to zirconia (ZrO2) lattice was investigated with the aim of using it as a sensor for nano-scale stress (fluorescence piezo-spectroscopy) and phase transformation assessments in a field emission scanning electron microscope (FE-SEM). In this paper, the selected rare-earth fluorescent ion Eu, added to ZrO2 as a raw oxide powder (Eu2O3) before sintering (in the amount of 1.0 wt. %). Spectroscopic results indicated that the spectral shift of some fluorescent band of the selected rare-earth ion was sensitive to residual stress a

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Siangchaew, K., and M. Libera. "Effects of Fast Secondary Electrons on Spatiallyresolved Low-Loss Eels of Polystyrene." Microscopy and Microanalysis 4, S2 (1998): 804–5. http://dx.doi.org/10.1017/s1431927600024144.

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A good understanding of the effect of electron irradiation on polymers is necessary in order to optimally utilize the spectroscopic information and resolution of spatially-resolved electron energy-loss spectroscopy (EELS). This investigation studies the effect of electron irradiation on the low-loss spectroscopic signal and spatial resolution obtainable from polystyrene (PS) homopolymer. Because of the conjugated valence electron distribution associated with its pendant phenyl ring, polystyrene is relatively stable under electron irradiation and has well characterized spectroscopic fingerprint

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Ingrin, Jannick, Khellil Latrous, Jean-Claude Doukhan, and Nicole Doukhan. "Water in diopside: an electron microscopy and infrared spectroscopy study." European Journal of Mineralogy 1, no. 3 (1989): 327–42. http://dx.doi.org/10.1127/ejm/1/3/0327.

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Delledonne, Chiara, Michela Albano, Tommaso Rovetta, et al. "Rediscovering the Painting Technique of the 15th Century Panel Painting Depicting the Coronation of the Virgin by Michele di Matteo." Heritage 7, no. 1 (2024): 324–37. http://dx.doi.org/10.3390/heritage7010016.

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The study concerned a diagnostic spectroscopic campaign carried out on the panel painting depicting the Coronation of the Virgin (first half of the 15th century) by the late-Gothic Italian painter Michele di Matteo. The main aims were the identification of the original painting materials and the characterization of the painter’s artistic technique. A combined approach based on non- and micro-invasive techniques was employed. Visible and ultraviolet-induced fluorescence photography was used to select the areas of interest for spectroscopic analyses; X-ray radiography assessed the state of conse

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Timofeev, Ivan O., Larisa V. Politanskaya, Evgeny V. Tretyakov, et al. "Fullerene-based triplet spin labels: methodology aspects for pulsed dipolar EPR spectroscopy." Physical Chemistry Chemical Physics 24, no. 7 (2022): 4475–84. http://dx.doi.org/10.1039/d1cp05545c.

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