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Search: WFRF:(HJORVARSSON B)

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1.
  • Huiberts, JN, et al. (author)
  • Synthesis of yttriumtrihydride films for ex-situ measurements
  • 1996
  • In: JOURNAL OF ALLOYS AND COMPOUNDS. - : ELSEVIER SCIENCE SA LAUSANNE. - 0925-8388. ; 239:2, s. 158-171
  • Journal article (other academic/artistic)abstract
    • A new method has been developed to synthesize compact yttriumtrihydride by making use of a thin film technique. For electrical measurements yttrium films of typically 500 nm thickness are covered under UHV conditions by a 5 nm thick palladium overlayer wh
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2.
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3.
  • Lanford, WA, et al. (author)
  • Compact broad range magnetic spectrometer for use in ion beam analysis
  • 1998
  • In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS. - : ELSEVIER SCIENCE BV. - 0168-583X. ; 138, s. 1177-1182
  • Journal article (other academic/artistic)abstract
    • A compact magnetic spectrometer for high resolution He RBS and other types of ion beam analysis (IBA) has been designed and is currently under construction. This spectrometer is described, including its: energy resolution (similar to 1/2000), broad energy
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4.
  • SEMPLE, M, et al. (author)
  • MOSSPAC - A UHV-SYSTEM FOR SURFACE AND THIN-FILM INVESTIGATIONS USING NUCLEAR PROBES
  • 1995
  • In: VACUUM. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0042-207X. ; 46:8-10, s. 1049-1052
  • Journal article (other academic/artistic)abstract
    • A UHV-system constructed for surface, thin film and superlattice measurements, using the time-differential perturbed gamma-gamma angular correlations (DPAC) and Mossbauer spectroscopy techniques, is described. Sample preparation is discussed, particularly
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5.
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6.
  • Anisimov, AN, et al. (author)
  • The temperature-dependent in- and out-of-plane magnetic anisotropies in Fe-n/V-m(001) superlattices
  • 1997
  • In: JOURNAL OF PHYSICS-CONDENSED MATTER. - : IOP PUBLISHING LTD. - 0953-8984. ; 9:48, s. 10581-10593
  • Journal article (other academic/artistic)abstract
    • Fe-n/V-m(001) superlattices grown on MgO(001) are studied by ferromagnetic resonance (FMR). The temperature dependence of the second- and fourth-order in- and out-of-plane magnetic anisotropies were determined from azimuthal and polar angular-dependent FM
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7.
  • Azens, A, et al. (author)
  • Optical and electrochemical properties of dc magnetron sputtered Ti-Ce oxide films
  • 1996
  • In: APPLIED PHYSICS LETTERS. - : AMER INST PHYSICS. - 0003-6951. ; 68:26, s. 3701-3703
  • Journal article (peer-reviewed)abstract
    • Reactive dc magnetron sputtering was used to make mixed Ti-Ce oxide films with a Ce/Ti ratio gamma between 0 and 0.6. Their optical and electrochemical properties were strongly dependent on the composition. Films with 0.3
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8.
  • Azofeifa, D. E., et al. (author)
  • Temperature-and hydrogen-induced changes in the optical properties of Pd capped V thin films
  • 2012
  • In: Physica Scripta. - : IOP Publishing. - 0031-8949 .- 1402-4896. ; 86:6, s. 065702-
  • Journal article (peer-reviewed)abstract
    • Optical properties of V thin films deposited on MgO substrates have been obtained from spectrophotometric measurements. The V films were coated with a thin Pd layer to protect them from oxidation and to favor absorption of atomic hydrogen. Electrical resistance was recorded while hydrogen pressure was increased slowly up to 750mbar keeping the temperature constant. Simultaneously, visible and near-infrared transmittance spectra of this Pd/V/MgO system were measured. The spectra were numerically inverted to obtain the spectral behavior of the Pd and V dielectric functions at 22 and 140 degrees C. Hydrogen concentrations were first determined from the combined effect of hydrogen content on the electrical resistance and on the optical direct transmission of the system. Then, determination of these concentrations was improved using retrieved values of the absorption coefficients of the hydrides and taking into account the structural change of V and the volumetric expansion of Pd. Good agreement is established when considering qualitative correlations between spectral features of the optimized PdHy and VHx dielectric functions and band structure calculations and densities of states for these two transition metal hydrides.
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9.
  • Cooper-Jensen, Carsten, et al. (author)
  • "m=1" coatings for neutron guides
  • 2014
  • In: International Workshop on Neutron Optics and Detectors (NOP&D 2013) 2–5 July 2013, Munich, Germany. - : IOP Publishing. - 1742-6596 .- 1742-6588. ; 528, s. 012005-012005
  • Conference paper (peer-reviewed)abstract
    • A substantial fraction of the price for a supermirror neutron guide system is the shielding, which is needed because of the gamma radiation produced as a result of neutron absorption in the supermirror layers. Traditional coatings have been made of nickel-titanium heterostructures, but Ni and Ti also have a fairly high absorption cross section for cold and thermal neutrons. We examine a number of alternatives to Ni as part of a study to reduce the gamma radiation from neutron guides. Materials such as diamond and Be have higher neutron scattering density than Ni, smaller absorption cross section, and when a neutron is absorbed they emit gamma photons with lower energies. We present reflectivity data comparing Ni with Be and preliminary results from diamond coatings showing there use as neutron guide coatings. Calculations show that Be and diamond coatings emit two orders of magnitude fewer gamma photons compared to Ni, mainly because of the lower absorption cross section.
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10.
  • Duda, LC, et al. (author)
  • Hydrogen-induced changes of the electronic states in ultrathin single-crystal vanadium layers
  • 1997
  • In: PHYSICAL REVIEW B-CONDENSED MATTER. - : AMER INST PHYSICS. - 0163-1829. ; 55:19, s. 12914-12917
  • Journal article (other academic/artistic)abstract
    • The electronic structure of vanadium in an Fe/V (001) superlattice, exposed to a 100 torr hydrogen pressure, was investigated using soft-x-ray emission spectroscopy and first-principles band-structure calculations. We present x-ray emission spectra from t
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11.
  • Duda, LC, et al. (author)
  • Soft-x-ray emission study of Fe/V(001) superlattices
  • 1996
  • In: PHYSICAL REVIEW B-CONDENSED MATTER. - : AMER INST PHYSICS. - 0163-1829. ; 54:15, s. 10393-10396
  • Journal article (other academic/artistic)abstract
    • We have studied the electronic structure of the interfaces in bet Fe/V (001) superlattices (SL's) grown on MgO(001) with soft-x-ray emission spectroscopy. Two samples with different thicknesses of Fe and V were investigated: [(V)(2)/(Fe)(5)](60) and [(V)(
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12.
  • Granberg, P, et al. (author)
  • Anisotropic behaviour of the magnetoresistance in single crystalline iron films
  • 1999
  • In: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. - : ELSEVIER SCIENCE BV. - 0304-8853. ; 195:1, s. 1-8
  • Journal article (peer-reviewed)abstract
    • Magnetoresistive properties of single crystalline Fe(0 0 1) films with thickness in the range 5-100 nm are reported. The films possess low coercive fields (similar to 100 A/m) but a weak irreversible behaviour of the magnetization remains to fields of the
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13.
  • Granberg, P, et al. (author)
  • Antiferromagnetic coupling and giant magnetoresistance in Fe/V(0 0 1) superlattices
  • 1998
  • In: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. - : ELSEVIER SCIENCE BV. - 0304-8853. ; 186:1-2, s. 154-160
  • Journal article (peer-reviewed)abstract
    • Structural and magnetic properties of Fe/V(0 0 1) superlattices consisting of 3 monolayers Fe separated by V interlayers of thickness in the range 8-17 monolayers have been investigated. RHEED and X-ray diffraction investigations show that the samples are
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14.
  • Granberg, P, et al. (author)
  • Magnetic and transport properties of epitaxial Fe/V(001) superlattice films
  • 1996
  • In: PHYSICAL REVIEW B-CONDENSED MATTER. - : AMER INST PHYSICS. - 0163-1829. ; 54:2, s. 1199-1204
  • Journal article (peer-reviewed)abstract
    • Single-crystalline Fe(15 ML)/V (1-12 ML) superlattices, epitaxially grown in the (001) direction, have been investigated using magnetization and electrical transport measurements. For all V thicknesses the system exhibits ferromagnetic properties. Results
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15.
  • Hellgren, N., et al. (author)
  • Growth, structure, and mechanical properties of CNxHy films deposited by dc magnetron sputtering in N2/Ar/H2 discharges
  • 2000
  • In: Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films. - : American Vacuum Society. - 0734-2101 .- 1520-8559. ; 18:5, s. 2349-2358
  • Journal article (peer-reviewed)abstract
    • Reactive direct current magnetron sputtering was used to deposit the hydrogenated carbon nitride films in mixed nitrogen (N2)/argon (Ar)/ hydrogen (H2) discharges. Growth and structure evolution of films was found to be affected by chemical sputtering effects. The hydrogen were found to be bonded to nitrogen and hydrogen incorporation decreases the elasticity and hardness.
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16.
  • Hjorvarsson, B, et al. (author)
  • Metallic superlattices: Quasi two-dimensional playground for hydrogen
  • 1997
  • In: JOURNAL OF ALLOYS AND COMPOUNDS. - 0925-8388. ; 253, s. 51-57
  • Journal article (other academic/artistic)abstract
    • Hydrogen in superlattices, whose constituents have different hydrogen affinities, comprises a new class of hydrogen absorbing materials. The period of the absorption potential can be made as small as two monolayers, which implies highly anisotropic host m
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17.
  • Hjorvarsson, B, et al. (author)
  • Probing the local electronic structure in the H induced metal-insulator transition of Y
  • 1999
  • In: JOURNAL OF PHYSICS-CONDENSED MATTER. ; 11, s. L119-
  • Journal article (peer-reviewed)abstract
    • The occupied acid unoccupied valence band states of yttrium (Y) metal, Y dihydride and Y trihydride were measured by soft x-ray emission and absorption spectroscopy. The experiments were complemented by first principles calculations. Both experiments and
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18.
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19.
  • Ingason, Arni Sigurdur, et al. (author)
  • A Nanolaminated Magnetic Phase: Mn2GaC
  • 2014
  • In: Materials Research Letters. - : Taylor & Francis. - 2166-3831. ; 2:2, s. 89-93
  • Journal article (peer-reviewed)abstract
    • Layered magnetic materials are fascinating from the point of view of fundamental science as well as applications. Discoveries such as giant magnetoresistance (GMR) in magnetic multilayers have revolutionized data storage and magnetic recording, and concurrently initiated the search for new layered magnetic materials. One group of inherently nanolaminated compounds are the so called Mn+1AXn (MAX) phases. Due to the large number of isostructural compositions, researchers are exploring the wide range of interesting properties, and not primarily functionalization through optimization of structural quality. Magnetic MAX phases have been discussed in the literature, though this is hitherto an unreported phenomenon. However, such materials would be highly interesting, based on the attractive and useful properties attained with layered magnetic materials to date. Here we present a new MAX phase, (Cr1–xMnx)2GeC, synthesized as thin film in heteroepitaxial form, showing single crystal material with unprecedented structural MAX phase quality. The material was identified using first-principles calculations to study stability of hypothetical MAX phases, in an eort to identify a potentially magnetic material. The theory predicts a variety of magnetic behavior depending on the Mn concentration and Cr/Mn atomic conguration within the sublattice. The analyzed thin films display a magnetic signal well above room temperature and with partly ferromagnetic ordering. These very promising results open up a field of new layered magnetic materials, with high potential for electronics and spintronics applications.
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20.
  • Isberg, P, et al. (author)
  • Growth of epitaxial Fe/V(001) superlattice films
  • 1997
  • In: VACUUM. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0042-207X. ; 48:5, s. 483-489
  • Journal article (other academic/artistic)abstract
    • A series of Fe/V multilayers was grown on polished MgO (001) substrates by dual-target magnetron sputtering. The structural quality of the samples was investigated by reflection high energy electron diffraction, low- and high-angle X-ray diffraction, reci
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21.
  • Isberg, P, et al. (author)
  • Structure and magnetic properties of Fe/V (110) superlattices
  • 1998
  • In: PHYSICAL REVIEW B-CONDENSED MATTER. - : AMERICAN PHYSICAL SOC. - 0163-1829. ; 57:6, s. 3531-3538
  • Journal article (peer-reviewed)abstract
    • Structural, magnetic, and magnetotransport properties of Fe/V (110) superlattices have been investigated. Using Al2O3 (<10(2)over bar 0>) substrates and Mo or MoxV1-x allay seed layers, the superlattices could be grown with a large in- and out-of-plane cr
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22.
  • IVANOV, I, et al. (author)
  • GROWTH OF EPITAXIAL ALN(0001) ON SI(111) BY REACTIVE MAGNETRON SPUTTER-DEPOSITION
  • 1995
  • In: JOURNAL OF APPLIED PHYSICS. - : AMER INST PHYSICS. - 0021-8979. ; 78:9, s. 5721-5726
  • Journal article (other academic/artistic)abstract
    • 2H-AlN(0001) layers have been grown on Si(lll) by reactive magnetron sputtering from an Al target in Ar+N-2 gas mixtures at temperatures T-s=400-900 degrees C. Variations in reactive gas consumption, target voltage, and current-voltage characteristics ver
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23.
  • Karlsson, EB, et al. (author)
  • Anomalous neutron Compton scattering in Nb hydride: Indications of proton correlations
  • 1999
  • In: EUROPHYSICS LETTERS. - : E D P SCIENCES. - 0295-5075. ; 46:5, s. 617-623
  • Journal article (other academic/artistic)abstract
    • Neutron Compton scattering probes properties of matter at time scales of the order of 10(-16)-10(-15) s. Very strong anomalies in the cross-sections for protons were observed for scattering on NbHx and NbHxDy. The effective proton cross-section was found
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24.
  • Karlsson, E, et al. (author)
  • Positive muon diffusion in mixed Nb-hydrides, NbHxDy
  • 1997
  • In: HYPERFINE INTERACTIONS. - : BALTZER SCI PUBL BV. - 0304-3843. ; 105:1-4, s. 211-217
  • Journal article (other academic/artistic)abstract
    • Positive muons have been used to monitor the proton and deuteron mobilities in mixed, concentrated NbHxDy hydrides, with z + y = constant. The mobility of the muons decreases linearly with increasing D-content, which is expected if the protons and the deu
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25.
  • Kassamakova, L, et al. (author)
  • Temperature stable Pd ohmic contacts to p-type 4H-SiC formed at low temperatures
  • 1999
  • In: IEEE Transactions on Electron Devices. - 0018-9383 .- 1557-9646. ; 46:3, s. 605-611
  • Journal article (peer-reviewed)abstract
    • The formation of low resistivity Pd-based ohmic contacts to p-type 4H-SiC below 750 degrees C are reported herein, The electrical properties of the contacts were examined using I-V measurements and the transmission-line model (TLM) technique. Contact resistivity as a function of annealing was investigated over the temperature range of 600 degrees C-700 degrees C, The lowest contact resistivity (5.5 x 10(-5) Ohm cm(2)) was obtained after annealing at 700 degrees C for 5 min, Atomic force microscopy of the as-deposited Pd layer showed a root-mean square roughness of similar to 8 nm, while after annealing at 700 degrees C, agglomeration occurred, increasing the roughness to 111 nm, Auger electron spectroscopy depth profiles revealed that with annealing, interdiffusion had resulted in the formation of Pd-rich silicides. However, X-ray diffraction and Rutherford backscattering showed that the majority of the film was still (unreacted) Pd. The thermal stability and reliability of the Pd contacts were examined by aging and temperature dependence electrical tests, The contacts annealed at 700 OC were stable at prolonged heating at a constant temperature of 500 degrees C and they showed thermal stability in air at operating temperatures up to 450 degrees C, This stability was not found for contacts formed at lower temperatures of 600 degrees C or 650 degrees C.
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26.
  • Lanford, WA, et al. (author)
  • Low temperature transport of Al into and through copper starting with Cu/Al/SiO2 bilayers
  • 1999
  • In: JOURNAL OF APPLIED PHYSICS. - : AMER INST PHYSICS. - 0021-8979. ; 85:3, s. 1487-1495
  • Journal article (other academic/artistic)abstract
    • The transport of Al into Cu is studied by annealing Cu/Al/SiO2 bilayers. In order to minimize the effects of contaminants, samples were prepared and annealed in all-metal ultrahigh vacuum systems. In situ resistivity was used to continuously monitor the t
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27.
  • Leiner, V, et al. (author)
  • Deuterium in 001-oriented Mo0.5V0.5/V : Density profile on the atomic level
  • 2002
  • In: Physical Review B. Condensed Matter and Materials Physics. - 1098-0121 .- 1550-235X. ; 66:23
  • Journal article (peer-reviewed)abstract
    • We have investigated the deuterium density profile in a Mo0.5V0.5/V superlattice along the direction parallel to the surface normal, using neutron reflectivity. To increase the sensitivity to changes in the deuterium density profile, in particular at the interfaces, we have carefully selected the thickness ratio of the constituents. Furthermore, the alloy composition of the Mo0.5V0.5 layer was chosen so that no depletion zone of hydrogen (deuterium) is expected at the interface in the low concentration limit. The neutron reflectivity results yield, however, a clear evidence of a depletion zone at the interfaces, with an extension of at least one monolayer. The appearance of a depletion layer is inferred to originate from the H-H interaction. Finally, by simultaneously monitoring the expansion and the concentration, we determined the elastic response of the V layers, and we prove the presence of nonlinear elastic response associated to a change of site occupancy.
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28.
  • Miniotas, A., et al. (author)
  • Gadolinium trihydride - A new magnetoresistive semiconductor
  • 2002
  • In: Europhysics letters. - : IOP Publishing. - 0295-5075 .- 1286-4854. ; 58:3, s. 442-447
  • Journal article (peer-reviewed)abstract
    • Large negative magnetoresistance and magnetisation anomalies are found in epitaxial GdH3-delta films. The zero-field semiconductor-like behavior in the resistivity is completely suppressed at a magnetic field of 120 kOe. Temperature and field dependence of the magnetisation supports short-range ordering in the paramagnetic host, mediated by the vacancy state of trihydride.
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29.
  • Miniotas, A, et al. (author)
  • Gigantic resistivity and band gap changes in GdOyHx thin films
  • 2000
  • In: APPLIED PHYSICS LETTERS. - : AMER INST PHYSICS. - 0003-6951. ; 76:15, s. 2056-2058
  • Journal article (peer-reviewed)abstract
    • In this letter we show that GdOyHx thin films allow one to tailor the electric and the optical properties by controlling the hydrogen and oxygen content. By changing the O/H ratio, one can shift the optical band gap from 2.4 eV in the trihydride to 5.4 eV
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30.
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31.
  • OLAFSSON, S, et al. (author)
  • CHARGE-TRANSFER AT INTERFACES IN MO-X V-1-X/V SUPERLATTICES
  • 1995
  • In: PHYSICAL REVIEW B-CONDENSED MATTER. - : AMER INST PHYSICS. ; 52:15
  • Other publication (other academic/artistic)abstract
    • The influence of alloying and strain upon charge transfer across interfaces was investigated in MoxV1-x/V (x=0.5, 0.75, 1) superlattices. The extension of the charge transfer was measured using the relation between the hydrogen solubility and the electron
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32.
  • Olsson, MK, et al. (author)
  • High rate reactive de magnetron sputter deposition of Al2O3 films
  • 1998
  • In: JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS. - : AMER INST PHYSICS. - 0734-2101. ; 16:2, s. 639-643
  • Journal article (other academic/artistic)abstract
    • Aluminum oxide films were produced by reactive de magnetron sputtering of Al in Ar+O-2. The composition of the films was characterized by Rutherford backscattering measurements. Stoichiometric films possessed excellent optical properties with a refractive
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33.
  • Poulopoulos, P, et al. (author)
  • Magnetic anisotropy and exchange coupling in FenVm(001) superlattices on MgO(001)
  • 1997
  • In: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. - : ELSEVIER SCIENCE BV. - 0304-8853. ; 170:1-2, s. 57-66
  • Journal article (other academic/artistic)abstract
    • Fe(0 0 1) single layers and FenVm(0 0 1) superlattices were epitaxially grown on MgO(0 0 1) substrates, where n and m denote the number of monolayers (ML) of the constituents within each modulation period. n and tn were varied between 3 and 14 ML. Structu
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34.
  • Schneider, Jochen, et al. (author)
  • Magnetic-field-dependent plasma composition of a pulsed arc in a high-vacuum ambient
  • 2000
  • In: Applied Physics Letters. - 0003-6951 .- 1077-3118. ; 76:12, s. 1531-1533
  • Journal article (peer-reviewed)abstract
    • The effect of a magnetic field on the plasma composition of a pulsed Au plasma stream in a high-vacuum ambient is described. The plasma was formed with a pulsed vacuum-arc-plasma source, and the time-resolved plasma composition was measured with time-of-flight charge-to-mass spectrometry. Plasma impurities due to ionization of nonmetallic species (H+, O+, and N+) were found to be below the detection limit in the absence of a magnetic field. However, in the presence of a magnetic field (0.4 T), the contribution of ionized nonmetal species to the plasma composition was up to 0.22 atomic ratio. These results are characteristic of plasma-based techniques where magnetic fields are employed in a high-vacuum ambient. In effect, the impurity incorporation during thin-film growth pertains to the present findings. (C) 2000 American Institute of Physics. [S0003-6951(00)00712-9].
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35.
  • Schneider, Jochen, et al. (author)
  • Role of hydrogen for the elastic properties of alumina thin films
  • 2002
  • In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 80:7, s. 1144-1146
  • Journal article (peer-reviewed)abstract
    • We describe the role of the presence of hydrogen on the elastic properties of AlxOyHz (0.32less than or equal toxless than or equal to0.4, 0.54less than or equal toyless than or equal to0.6, 3x10(-4)less than or equal tozless than or equal to0.14) films. The films were deposited by reactive magnetron sputtering in an Ar/O-2/H2O discharge and were studied by Rutherford backscattering spectrometry, nuclear resonance analysis, selected area electron diffraction, as well as nanoindentation. As the hydrogen concentration is increased from 0.03% to 13.9% the measured elastic modulus value is reduced by approximately 53%. The measured elastic modulus is in excellent agreement with our electronic structure calculations. The large scattering in the reported values of the elastic properties of amorphous alumina thin films can readily be understood by hydrogen incorporation during synthesis. (C) 2002 American Institute of Physics.
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36.
  • Stillesjo, F, et al. (author)
  • Hydrogen-induced lattice expansion in a (001)-oriented Mo/V superlattice
  • 1996
  • In: PHYSICAL REVIEW B-CONDENSED MATTER. - : AMER INST PHYSICS. - 0163-1829. ; 54:5, s. 3079-3083
  • Journal article (other academic/artistic)abstract
    • The hydrogen-induced lattice expansion in a Mo/V single-crystal superlattice (L(V)/L(Mo)=2 nm/2 nm) has been studied by x-ray diffraction in the temperature range 20-500 degrees C and hydrogen pressures ranging from 5-625 torr in a vacuum x-ray furnace. F
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37.
  • STILLESJO, F, et al. (author)
  • THERMODYNAMIC PROPERTIES OF HYDROGEN IN QUASI-2-DIMENSIONAL VANADIUM LATTICES
  • 1995
  • In: JOURNAL OF PHYSICS-CONDENSED MATTER. - : IOP PUBLISHING LTD. - 0953-8984. ; 7:42, s. 8139-8150
  • Journal article (other academic/artistic)abstract
    • The solubility and thermodynamics of hydrogen in quasi-two-dimensional vanadium lattices have been investigated. The quasi-two-dimensional character of the vanadium lattices were obtained by growing alternating layers of molybdenum and vanadium in Mo/V su
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38.
  • Umezawa, K, et al. (author)
  • Adsorption of hydrogen on the Pt(111) surface from low-energy recoil scattering
  • 1997
  • In: SURFACE SCIENCE. - : ELSEVIER SCIENCE BV. - 0039-6028. ; 387:1-3, s. 320-327
  • Journal article (other academic/artistic)abstract
    • We have shown that low-energy recoil scattering (LERS) can be used to detect hydrogen on a Pt(111) surface at 150 K and that this method provides a direct probe for locating the positions of adsorbed hydrogen on a surface. It was found: (1) the initial st
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39.
  • Veszelei, M, et al. (author)
  • Transparent ion intercalation films of Zr-Ce oxide
  • 1997
  • In: JOURNAL OF APPLIED PHYSICS. - : AMER INST PHYSICS. - 0021-8979. ; 81:4, s. 2024-2026
  • Journal article (peer-reviewed)abstract
    • Zr-Ce oxide films were made by reactive de magnetron cosputtering. The elemental composition was determined by Rutherford backscattering spectrometery and the crystalline structure by x-ray diffraction. Li intercalation/deintercalation was accomplish
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40.
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41.
  • Westerberg, Lars, et al. (author)
  • Hydrogen content in UHV flanges cut by high-pressure water-jet technique
  • 1996
  • In: VACUUM. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0042-207X. ; 47:6-8, s. 687-688
  • Journal article (peer-reviewed)abstract
    • Hydrogen profiles of ASTM304 and 316 stainless steel samples, cut by high-pressure, 3400 bar, abrasive wafer-jet cutting have been measured by H-1(N-15, alpha gamma)C-12 nuclear resonance technique. In the near-surface region of the water-jet cut samples
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