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  • 1
    Electronic Resource
    Electronic Resource
    Coarse tip distance adjustment and positioner for a scanning tunneling microscope (1989)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 60 (1989), S. 1200-1201 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: We report on a new coarse tip distance adjustment and positioner for a scanning tunneling microscope, which was designed with ease of sample manipulation and UHV compatibility in mind. It has no mechanical connections in UHV and has been successfully used for measurements of microfaceted platinum surfaces in air and cleaved Si(111) surfaces under liquids.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1140287
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  • 2
    Electronic Resource
    Electronic Resource
    Characterististics of plage fragments with photospheric network properties (1980)
    Springer
    Solar physics 67 (1980), S. 23-28 
    Details
    ISSN: 1573-093X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Using data taken with the multi-channel magnetograph at KPNO, we demonstrate that plage regions surrounding a sunspot have thermal properties found in the photospheric network. These network-like regions existed up to the edge of the penumbra of the sunspot. Temperature gradients inferred from equivalent width fluctuations in our data do not conflict with the requirements of the theory (Parker, 1978) for flux tubes to exist at subphotospheric levels.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00146679
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  • 3
    Electronic Resource
    Electronic Resource
    Zur Kenntnis von BaCdGeS4 mit einem Beitrag|zur|Kristallchemie von Verbindungen des Typs BaABS4 (1980)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 468 (1980), S. 27-34 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On BaCdGeS4 and the Crystal Chemistry of the BaABS4-Type CompoundsBaCdGeS4 was prepared for the first time and investigated by using X-ray methods. It crystallizes isotypically with BaCdSnS4 [1]. Space group C2v19-Fdd2 (No. 43). Lattice constants: a = 2169, b = 2125, c = 1278 pm. The structure is formed by the characteristically linked edge sharing “double-tetrahedrons”. The topological linkage of the tetrahedrons is compared with other related structures and discussed in respect of the nature of the metal-sulfur bond.
    Notes: BaCdGeS4 wurde erstmals dargestellt und röntgenographisch untersucht. Es kristallisiert isotyp mit BaCdSnS4 [1] in der Raumgruppe C2v19-Fdd2 (Nr. 43). Gitterkonstanten: a = 2169, b = 2125, c = 1278 pm. Die charakteristisch verknüpften „Doppeltetraeder“ mit gemeinsamen Kanten bilden das strukturbestimmende Tetraedergerüst. Die topologische Verknüpfung d er Tetraeder wird mit verwandten Strukturen verglichen und in bezug auf den Bindungscharakter der Metall-Schwefel-Bindung diskutiert.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19804680104
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  • 4
    Electronic Resource
    Electronic Resource
    Zur Bestimmung der Phasenbreite von ZinkoxidProfessor Hans-Albert Lehmann zum 65. Geburtstage am 1. Mai 1984 gewidmet (1984)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 511 (1984), S. 72-76 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Determination of the Phase Width of Zinc OxideThe homogeneity range of zinc oxide was determined coulometrically by oxydation of non-stoichiometric samples in a gas-solid-phase-reaction using a solid electrolyte cell. Single crystals with the composition according to the lower phase boundary were prepared by chemical transport reaction. The deviation of the lower phase boundary from the stoichiometric composition depends upon the temperature amounting to 30-240 ppm in the region 800-1100°C.
    Notes: Das Homogenitätsgebiet von Zinkoxid wurde durch Oxydation unterstöchiometrischer Proben in einer Gas-Festreaktion mit einer Festelektrolytzelle coulometrisch bestimmt. Die Darstellung der Einkristalle der unteren Phasengrenzzusammensetzung erfolgte durch chemischen Transport. Die Abweichung von der stöchiometrischen Zusammensetzung der unteren Phasengrenze hängt von der Temperatur ab und liegt zwischen 30 und 240 ppm im Bereich von 800-1100°C.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19845110408
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  • 5
    Electronic Resource
    Electronic Resource
    Darstellung und Kristallstruktur von Barium-Cadmium-Thiostannat (iv) BaCdSnS4 (1980)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 460 (1980), S. 163-168 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Preparation and Crystal Structure of Barium-Cadmium-Thiostannate (IV) BaCdSnS4BaCdSnS4 was prepared for the first time and the crystal structure determined by single crystal X-ray investigations. Lattice constants: a = 2186 ± 2; b = 2169 ± 1; c = 1318 ± 0.5 pm. Space group: C2v19-Fdd2. There are pairs of edge-sharing tetrahedrons linked together characteristically to form twodimensional endless nets. The crystal structure is described and discussed.
    Notes: BaCdSnS4 wurde erstmals präpariert und die Kristallstruktur an Einkristallen bestimmt.Gitterkonstanten: a = 2186 ± 2; b = 2169 ± 1; c = 1318 ± 0,5 pm. Raumgruppe C2v19-Fdd2. Die Kristallstruktur enthält Doppeltetraeder [CdSnS4]2-. Sie sind in charakteristischer Weise zu zweidimensionalen, unendlichen Netzen verknüpft. Der Aufbau der Kristallstruktur wird beschrieben und diskutiert.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19804600115
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  • 6
    Electronic Resource
    Electronic Resource
    Lithiumphthalocyanine: Darstellung und Charakterisierung der monoklinen und tetragonalen Modifikationen von LiPc(1-) und der Halogenaddukte LiPc(1-)X (X = Cl, Br, I) (1985)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 527 (1985), S. 45-61 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Phthalocyanines of Lithium: Preparation and Characterization of the Monoclinic and Tetragonal Modifications of LiPe(1-) and the Halogene Adducts LiPc (1-)X (X = Cl, Br, I)The preparation of dilithium phthalocyanine (LiPC2Pc(2-)), tetraalkylammonium lithium phthalocyanines ((TAA)LiPc(2-)), monolithium phthalocyanine hydrate (LiPc(1-)·H2O), monolithium phthalocyanine (monoclinic and tetragonal modification (m-LiPc(1-), t-LiPc(1-))) and of the halogene adducts with t-LiPc(1-) of the type LiPc(1-)X with X = Cl, Br, I is reported. The UV-VIS, infrared, and resonance raman spectra, the X-ray powder diffractograms, and the measurements of the magnetic susceptibilities and the specific electrical conductivity of the different stable lithium phthalocyanine π-cation radicals are discussed.
    Notes: Die Darstellung von Dilithiumphthalocyanin (Li2Pc(2-)), Tetraalkylammoniumlithiumphthalocyaninen ((TAA)LiPc(2-)), Monolithiumphthalocyaninhydrat (LiPc(1-)·H2O), Monolithiumphthalocyanin (monokline und tetragonale Modifikation (m-LiPc(1-), t-LiPc(1-))) und von Halogenaddukten an t-LiPc(1-) vom Typ LiPc(1-)X mit X = Cl, Br, I wird beschrieben. Die UV-VIS-, IR- und Resonanz-Raman-Spektren sowie die Röntgenpulverdiffraktogramme und die Messungen der magnetischen Suszeptibilität und der spezifischen elektrischen Leitfähigkeit der verschiedenen stabilen Lithiumphthalocyanin-π-Kation-Radikale werden diskutiert.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19855270805
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  • 7
    Electronic Resource
    Electronic Resource
    Über Oxidsulfide mit Åkermanitstruktur CaLaGa3S6O, SrLaGa3S6O, La2ZnGa2S6O und Sr2ZnGe2S6O (1985)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 531 (1985), S. 52-60 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On Oxidesulfides of Åkermanitetype-Structure CaLaGa3S6O, SrLaGa3S6O, La2ZnGa2S6O, and Sr2ZnGe2S6OThe oxide sulfides were prepared for the first time (space group and lattice constants see “Inhaltsübersicht”). The atomic positions were refined from single crystal X-ray data for CaLaGa3S6O and La2ZnGa2S6O. Problems concerning the metal distribution on the crystallographic positions are discussed by comparing interatomic distances. The ratio c/a of the new compounds is compared with that of isotypic compounds from literature.
    Notes: Die Oxidsulfide A  -  CaLaGa3S6O a = 9,2706(8), c = 6,0351(9) Å; B  -  SrLaGa3S6O a = 9,347(10), c = 6,0893(10) Å; C  -  La2ZnGa2S6O a = 9,3653(15), c = 6,0928(10) Å und D  -  Sr2ZnGe2S6O a = 9,4054(7), c = 6,1718(7) Å wurden erstmals präpariert. Für A und C wurden die Lageparameter mit Einkristalldaten verfeinert. Raumgruppe D2d3 - P421m, Nr. 113. Probleme der Punktlagenbesetzung werden über Abstandsvergleiche diskutiert. Die neuen Stoffe werden bezüglich der c/a-Verhältnisse mit Literaturdaten isotyper Verbindungen verglichen.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19855311208
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  • 8
    Electronic Resource
    Electronic Resource
    Darstellung und Kristallstruktur von Ba3CdSn2S8 mit einer Anmerkung über Ba6CdAg2Sn4S16 (1985)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 522 (1985), S. 122-130 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Preparation and Crystal Structure of Ba3CdSn2S8 Including a Notation about Ba6CdAg2Sn4S16Ba3CdSn2S8 (A) and Ba6CdAg2Sn4S16 (B) were prepared for the first time and the crystal structure was determined using single crystal data of (A). (A) and (B) are isotypic. Space group and lattice constants see “Inhaltsübersicht”. The crystal structure is described and discussed.
    Notes: Die Sulfide Ba3CdSn2S8(A) und Ba6CdAg2Sn4S16(B) wurden erstmals dargestellt und die Kristallstruktur mit Einkristalldaten von (A) bestimmt. (A) und (B) sind isotyp und kristallisieren in der Raumgruppe I43d-Td6 (Nr. 220) mit a = 14,7235 ± 0,0007 (Z = 8) für (A) und a = 14,7253 ± 0,0007 Å (Z = 4) für (B). Der Aufbau der Kristallstruktur wird beschrieben und diskutiert.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19855220315
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  • 9
    facet.materialart.
    Unknown
    Coarse tip distance adjustment and positioner for a scanning tunneling microscope (1989)
    American Institute of Physics
    Details
    Publication Date: 1989-06-01
    Print ISSN: 0034-6748
    Electronic ISSN: 1089-7623
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Published by American Institute of Physics
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  • 10
    facet.materialart.
    Unknown
    A two-dimensional position sensitive charged-particle detector for the magnetic spectrograph “Big Karl” of the Jülich Cyclotron “Jülich” (1980)
    Elsevier
    Details
    Publication Date: 1980-09-01
    Print ISSN: 0029-554X
    Electronic ISSN: 1878-3759
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Physics
    Published by Elsevier
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