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  • 1
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    Unknown
    Arbeitsteilung im Umbruch (1989)
    Berlin : Periodicals Archive Online (PAO)
    Deutsche Zeitschrift für Philosophie. 37:8 (1989) 700 
    Details
    ISSN: 0012-1045
    Topics: Philosophy
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:4085-1989-037-08-000002
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  • 2
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    Unknown
    Familie, Staat und Gesellschaftsformation. Hrsg. J. Herrmann u. J. Köhn (Book Review) (1989)
    Berlin : Periodicals Archive Online (PAO)
    Deutsche Zeitschrift für Philosophie. 37:9 (1989) 903 
    Details
    ISSN: 0012-1045
    Topics: Philosophy
    Notes: REZENSIONEN/ANNOTATIONEN
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:4085-1989-037-09-000019
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  • 3
    Electronic Resource
    Electronic Resource
    Synthesis and structure of Ni"5"."3"3Ta"0"."6"7B"2O"1"0 and Ni"5"."3"3Nb"0"."6"7B"2O"1"0
    Amsterdam : Elsevier
    Solid State Ionics 43 (1990), S. 1-5 
    Details
    ISSN: 0167-2738
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0167-2738(90)90463-2
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  • 4
    Electronic Resource
    Electronic Resource
    The First Cadmium Rare Earth Borates CdLn[B5O10] with Ln = La, Sm, Eu (1997)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 53 (1997), S. 1730-1733 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270197008202
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  • 5
    Electronic Resource
    Electronic Resource
    Ni5HfB2O10 mit geordneter MetallverteilungProfessor Reginald Gruehn zum 60. Geburtstage am 6. Oktober 1989 gewidmet (1989)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 575 (1989), S. 26-30 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Ni5HfB2O10 with Ordered Metal DistributionNi5HfB2O10 was prepared for the first time and investigated by X-ray methods. It crystallizes with orthorhombic symmetry, space group D2h16 - Pnma, a = 9.328; b = 6.120; c = 12.334 Å; Z = 4. In opposition to the Ni5TiB2O10-type all metal point positions are strongly ordered. The authors are in doubt about the partly statistic metal distribution within Ni5M4+B2O10 (M4+ = Ti, Zr, Ge).
    Notes: Ni5HfB2O10 wurde erstmals dargestellt und an Einkristallen untersucht. Ni5HfB2O10 kristallisiert orthorhombisch, Raumgruppe D2h16 - Pnma, a = 9,328; b = 6,120; c = 12,334 Å, Z = 4. Im Gegensatz zum Ni5TiB2O10-Typ weist NiHfB2O10 eine total geordnete Metallverteilung auf. Die partiell statistische Verteilung von Ni2+ mit M4+ (M4+ = Ti, Zr, Ge) wird in Frage gestellt.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19895750105
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  • 6
    Electronic Resource
    Electronic Resource
    Ein neues Kupfercobaltboratoxid mit isolierten B2O5-Baugruppen: Cu2Co(B2O5)O (1994)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 1051-1055 
    Details
    ISSN: 0044-2313
    Keywords: Copper cobalt borate oxide, Cu2Co(B2O5)O ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On a New Copper Cobalt Borate Oxide with Isolated B2O5 Units: Cu2Co(B2O5)OSingle crystals of a new compound with the empirical formula Cu2CoB2O6 were obtained by using a B2O3 flux technique. X-ray single crystal technique led to a new structure type. Cu2CoB2O6 crystallizes monoclinic, space group C2h5-P21/c (No. 14); a = 3.2250(6); b = 14.847(1); c = 9.1171(6) Å; β = 93.67°; Z = 4. All metal sites are octahedrally coordinated and form a two dimensional framework consisting of edge sharing octahedra ribbons. In addition one observes isolated B2O5-units and oxygen which is not coordinated to boron. The far relation to the crystal structure of the mineral Warwickite is illustrated.
    Notes: Unter Verwendung einer B2O3-Schmelze gelang die Synthese von Einkristallen einer Substanz mit der Summenformel Cu2CoB2O6, die einen eigenständigen, neuartigen Strukturtyp bildet. Sie kristallisiert in der Raumgruppe C2h5-P21/c (No. 14), a = 3,2250(6); b = 14,847(1); c = 9,1171(6) Å; β = 93,67(2)°; Z = 4. Die Metallkationen sind verzerrt oktaedrisch koordiniert und bilden durch Kantenverknüpfungen der Polyeder in zwei Richtungen ein Netzwerk aus Oktaederbändern. Die Struktur weist isolierte B2O5-Baugruppen auf und zudem Sauerstoff, der nicht an Bor gebunden ist. Eine entfernte Verwandtschaft zur Kristallstruktur des Minerals Warwickit wird aufgezeigt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19946200618
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  • 7
    Electronic Resource
    Electronic Resource
    Ein neues Kupferzinnboratoxid mit isolierten BO3-Baugruppen: Cu5Sn(BO3)2O4 (1994)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 1578-1582 
    Details
    ISSN: 0044-2313
    Keywords: Copper, tin, borate, oxide ; synthesis ; crystal structure ; X-ray diffraction ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On a New Copper Tin Borate Oxide with Isolated BO3 Units: Cu5Sn(BO3)2O4Single Crystals of the new compound Cu5Sn(BO3)2O4 were obtained by a B2O3 fluxtechnique. They crystallize in a monoclinic distorted variant of a Ludwigite structure with a partly ordered metal distribution. X-ray investigations on single crystals led to the space group C2h5-P21/c (No. 14); a = 6.3526(7); b = 9.502(1); c = 12.100(9) Å; β = 93.30(3)°; Z = 4. All metal-sites are distorted octahedraly coordinated by oxygen-ions. The structure contains BO3-units and oxygen which is not coordinated to boron.
    Notes: Aus einer B2O3-Schmelze gelang die Synthese von Einkristallen der Substanz Cu5Sn(BO3)2O4, die in einer monoklin verzerrten Strukturvariante eines Ludwigites mit weitgehend geordneter Metallverteilung kristallisiert. Röntgenographische Untersuchungen an Einkristallen ergeben die Raumgruppe C2h5-P21/c (Nr. 14); a = 6,3526(7); b = 9,502(1); c = 12,100(9) Å; β = 93,30(3)°; Z = 4. Die Metallkationen sind verzerrt oktaedrisch von Sauerstoffionen koordiniert. Die Struktur weist sowohl isolierte, planare BO3-Baugruppen als auch nicht an Bor gebundenen Sauerstoff auf.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19946200914
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  • 8
    Electronic Resource
    Electronic Resource
    Synthese und Kristallstruktur von Cu9Ti2[B2O5]2[BO3]2O6  -  ein Kupfertitanboratpyroboratoxid? (1994)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 1583-1588 
    Details
    ISSN: 0044-2313
    Keywords: Copper, titanium, borate, pyroborate, oxide, synthesis ; crystal structure, X-ray diffraction ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Crystal Structure of Cu9Ti2[B2O5]2[BO3]2O6  -  a Copper Titanium Borate Pyroborate Oxide?The new compound Cu9Ti2[B2O5]2[BO3]2O6 was prepared by a B2O3 flux-technique and crystallizes in a triclinic and completely novel structure type. X-ray investigations on single crystals led to the space group Ci1-P1 (Nr. 2); a = 7.246(4) Å; b = 10.637(5) Å; c = 11.436(6) Å; α = 104.53(5)°; β = 96.25(4)°; γ = 90.36(3)°; Z = 2. The metal distribution is ordered. TiIV-sites are distorted octahedraly coordinated by oxygen-ions. The copper oxygen polyhedra are distorted square planar or pyramidal respectively. The structure contains isolated planar BO3-units, nearly planar pyroborate groups and oxygen which is not coordinated to boron.
    Notes: Aus einer B2O3-Schmelze gelang die Synthese der Substanz Cu9Ti2[B2O5]2[BO3]2O6, die in einem völlig neuartigen Strukturtyp kristallisiert. Röntgenographische Untersuchungen an Einkristallen ergeben die Raumgruppe Ci1-P1 (Nr. 2); a = 7,246(4) Å; b = 10,637(5) Å; c = 11,436(6) Å; α = 104,53(5)°; β = 96,25(4)°; γ = 90,36(3)°; Z = 2. Kupfer und Titan sind geordnet verteilt. Die Koordination von TiIV ist leicht verzerrt oktaedrisch, die von CuII ist verzerrt quadratisch planar bzw. verzerrt quadratisch pyramidal. Die Struktur weist sowohl isolierte, planare BO3-Baueinheiten, nahezu planare Pyroborat-Baugruppen und nicht an Bor gebundenen Sauerstoff auf.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19946200915
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  • 9
    Electronic Resource
    Electronic Resource
    Weitere magnetische Untersuchungen an Ti3-xMxO5-Phasen (M = Al3+, Fe2+, Mn2+, Mg2+) mit einem Beitrag über CrTi2O5 (1988)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 558 (1988), S. 28-34 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Additional Magnetic Examinations of Ti3-xMxO5-Phases (M = Al3+, Fe2+, Mn2+, Mg2+) with a Contribution about CrTi2O5Ti3-xMxO5 was prepared with M = Al3+, Fe2+, Mn2+, and Mg2+. Die magnetic properties of this phases were examinated by the Faraday method in respect to the temperature. The well known magnetic effect of Ti3O5 near 450 K is shifted to lower degrees if Ti is replaced by Al, Fe, Mn, or Mg. Compared to Ti3-xVxO5 and Ti3-xCrxO5 the stability of the low temperature-form of Ti3O5 is much more reduced in Ti3-xMxO5 (M = Al, Fe, Mn, Mg). The crystal structure investigation of CrTi2O5 explained the anomalous behaviour of the Cr3+ and V3+ doped Ti3O5.
    Notes: Ti3-xMxO5 wurde für M = Al3+, Fe2+, Mn2+, Mg2+ magnetisch untersucht. Der für Ti3O5 bekannte magnetische Effekt bei 450 K verschiebt sich für alle eingebauten Ionen zu tieferen Temperaturen. Im Vergleich zu Ti3-xVxO5 und Ti3-xCrxO5 destabilisieren die hier untersuchten Ionen die Tiefform von Ti3O5 weit stärker als V3+ und Cr3+. Die Untersuchung der Kristallstruktur von CrTi2O5 erklärt die scheinbare Anomalie von Cr3+ und V3+.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19885580103
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  • 10
    Electronic Resource
    Electronic Resource
    Zur Stabilisierung der Oxidationsstufe MIV im Ni5MB2O10-TypProfessor Robert Juza zum 85. Geburtstage am 8. Dezember 1989 gewidmet (1989)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 579 (1989), S. 111-115 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: About the Stabilization of the Oxidation State MIV in the Ni5MB2O10-Type (M=V4+, Mn4+)The so far unknown compounds Ni5VB2Ol0(I) and Ni5MnB2O10(II) were prepared for the first time by using a flux growth. The obtained single crystals are isotypic to Ni5TiB2O10 (space group D2h9-Pbam, Z = 2, (I): a = 9.183; b = 12.189; c = 2.989 Å (II): a = 9.130; b = 12.164; c = 2.970Å). One of the metal points positions is occupied statistically by Ni2+ and V4+ or Mn4+, respectively. The partial disorder in respect to the metal distribution is confirmed by calculations of the coulomb term of the lattice energy.
    Notes: Mit Hilfe von Schmelzflußreaktionen wurden Einkristalle der bisher unbekannten Verbindungen Ni5VB2O10 (I) und Ni5MnB2O10(11) erhalten. Beide sind isotyp zu Ni5TiB2O10, (Raumgruppe D2h9-Pbam, Z = 2; (I): a = 9,183; b = 12,189; c = 2,989 Å; (II): a = 9,130; b = 12,164; c = 2,970 Å). Ni2+ und V4+ bzw. Mn4+ besetzen eine der Metallpunktlagen statistisch. Die partielle Unordnung in der Metallverteilung wird durch Berechnung des Coulombterms der Gitterenergie bestätigt.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19895790112
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