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  • 1
    Electronic Resource
    Electronic Resource
    Magnetic characteristics of Pr(sub z)Y(sub 1-z)Ni2 alloys and the nature of PrNi2 at low temperatures (1968)
    s.l. : American Chemical Society
    Inorganic chemistry 7 (1968), S. 1627-1629 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic50066a031
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  • 2
    Electronic Resource
    Electronic Resource
    Detection of free radicals in living mice after inhalation of DTBN by X-band ESR
    Amsterdam : Elsevier
    Free Radical Biology and Medicine 14 (1993), S. 339-342 
    Details
    ISSN: 0891-5849
    Keywords: DTBN disposition in mice ; EPR ; ESR ; Free radicals-Detection in living mice ; In vivo ; Inhalation of DTBN
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0891-5849(93)90030-X
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  • 3
    Electronic Resource
    Electronic Resource
    Collisional and electronic processes under ion, electron and photon bombardment of alkali and alkaline-earth halides
    Amsterdam : Elsevier
    Nuclear Inst. and Methods in Physics Research, B 33 (1988), S. 824-829 
    Details
    ISSN: 0168-583X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0168-583X(88)90691-X
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  • 4
    Electronic Resource
    Electronic Resource
    Influence of SF"6 coverage on the sputtering behaviour of Cr-targets
    Amsterdam : Elsevier
    Nuclear Inst. and Methods in Physics Research, B 19-20 (1987), S. 92-96 
    Details
    ISSN: 0168-583X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0168-583X(87)80020-4
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  • 5
    Electronic Resource
    Electronic Resource
    Zur Struktur des Raney-Nickel-Katalysators (1965)
    Springer
    Naturwissenschaften 52 (1965), S. 590-590 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00631358
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  • 6
    Electronic Resource
    Electronic Resource
    Zur Konstitution von K3[FeO4] (1990)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 586 (1990), S. 115-124 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Constitution of K3[FeO4]For the first time black orthorhombic single crystals of K3[FeO4] were prepared by heating well ground mixtures of the oxides (K2O2 and KFeO2 with K2O2:KFeO2 = 1.78:1.0, Ag-tube, 470°C, 18 d, 350°C, 5 d). Spacegroup Pnma with a = 770.16(13) pm, b = 909.20(17) pm, c = 783.70(14) pm.The structure has been determined by four-circle-diffractometer data [MoKα, 1241 of 1278 I0(hkl), R = 3.2%, Rw = 3.1%]; parameters as given in the text. The Madelung Part of the Lattice Energy, MAPLE, and the Effective Coordination Numbers, ECoN, these via Mean Fictive Ionic Radii, MEFIR, will be calculated and discussed.
    Notes: Erstmals wurde K3[FeO4] durch Tempern inniger Gemenge der Oxide (K2O2 und KFeO2 mit K2O2:KFeO2 = 1,78:1,0, Ag-Bömbchen, 470°C, 18 d, 350°C, 5 d) in Form von schwarzen, orthorhombischen Kristallen erhalten: Raumgruppe Pnma mit a = 770,16(13) pm, b = 909,20(17) pm, c = 783,70(14) pm.Die Struktur wurde mittels Vierkreisdiffraktometerdaten [MoKα, 1241 von 1278 I0(hkl), R = 3,2%, Rw = 3,1%] bestimmt; Parameter siehe Text. Der Madelunganteil der Gitterenergie, MAPLE, und Effektive Koordinationszahlen, ECoN, diese über Mittlere Fiktive Ionenradien, MEFIR, werden berechnet und diskutiert.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19905860116
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  • 7
    Electronic Resource
    Electronic Resource
    Zur Konstitution von Cs2[FeO4]Professor Ekkehard Fluck zum 60. Geburtstag am 27. Februar 1991 gewidmet (1991)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 592 (1991), S. 51-58 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Constitution of Cs2[FeO4]For the first time black, spherical single crystals of Cs2[FeO4] were prepared by an “oxydative exchange reaction” of NaFeO2 with CsO1,8 (molar ratio Fe:Cs = 1.00:2.10, Au-tube, 250°C 3d, 480°C 24d, 360°C 5d): Spacegroup Pnma with a = 842.86(12) pm, b = 628.12(10) pm, c = 1105.33(17) pm. Cs2[FeO4] is isotypic to β-K2SO4. The structure was determined by four circle diffractometer data [MoKα, 1384 of 1387 Io(hkl), R = 3.36%, Rw = 3.08%]; parameters as given in the text. The Madelung Part of Lattice Energy, MAPLE, Effective Coordination Numbers, ECoN, these via Mean Fictive Ionic Radii, MEFIR, and the Charge-distribution will be calculated and discussed.
    Notes: Erstmals wurde Cs2[FeO4] durch eine „oxydative Austauschreaktion“ inniger Gemenge von NaFeO2 mit CsO1,8 (Verhältnis Fe:Cs = 1,00:2,10; zugeschweißtes Au-Rohr, 250°C 3d, 480°C 24d, 360°C 5d) in Form schwarzer, kugeliger Einkristalle erhalten: Raumgruppe Pnma mit a = 842,86(12) pm, b = 628,12(10) pm, c = 1105,33(17) pm. Cs2[FeO4] ist mit β-K2SO4 isotyp.Die Strukturbestimmung erfolgte mittels Vierkreisdiffraktometerdaten [MoKα, 1384 von 1387 Io(hkl), R = 3,36%, Rw = 3,08%]; Parameter siehe Text. Der Madelunganteil der Gitterenergie, MAPLE, Effektive Koordinationszahlen, ECoN, diese über Mittlere Fiktive Ionenradien, MEFIR, und die Ladungsverteilung werden berechnet und diskutiert.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19915920106
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  • 8
    Electronic Resource
    Electronic Resource
    Zu Oxoiridaten mit quadratisch-planaren [IrO4]4--Gruppen: Na4IrO4, eine MgO-Ersetzungsvariante mit geordneten Lücken im Anionenteilgitter (1993)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 619 (1993), S. 1647-1654 
    Details
    ISSN: 0044-2313
    Keywords: Oxoiridate(IV) ; square planar groups ; MAPLE calculation ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On Oxoiridates(IV) with Square-planar Groups [IrO4]4-: Na4IrO4, a Substitution-variant of MgO with Ordered Vacancies in the Anionic Part of Structure.For the first time we prepared transparent red single crystals of Na4[IrO4] by an “exchange reaction” (Li2IrO3 + 2.20 Na2O; Ag, 800°C, 71 days): tetragonal, space group I4/m (No. 87), a = 716.70(4) pm and c = 471.32(4) pm; Z = 2.The structure determination via four circle diffractometer data (Mo—Kα, graphite; 2 138 I0(hkl), R = 0.0179; Rw = 0.0184) was carried out with all 296 independent reflexions.Therefore Na4IrO4 crystallizes in a defect-variant of MgO which can be derived from Na4UO5. Ir4+ is surrounded square-like by four O2- with two vacancies completing the octahedron.The Madelung Part of Lattice Energy, MAPLE, Effective Coordination Numbers, ECoN, these via Mean Fictive Ionic Radii, MEFIR, are calculated and discussed. Furthermore the mean value for MAPLE(“IrO2”) of all alkaline- and alkaline-earth-oxoiridates(IV) is given.
    Notes: Erstmals erhielten wir über eine Austauschreaktion (Li2IrO3 + 2,20 Na2O; Ag, 800°C, 71 Tage) transparente, rote Einkristalle von Na4IrO4: tetragonal, Raumgruppe I4/m (Nr. 87), a = 716,70(4) pm und c = 471,32(4) pm, Z = 2.Die Struktur wurde mittels Vierkreisdiffraktometerdaten (Mo—Kα, Graphit; 2 138 I0(hkl), R = 0,0179; Rw = 0,0184) unter Verwendung aller 296 symmetrie-unabhängiger Reflexe bestimmt. Na4IrO4 kristallisiert demnach in einer MgO-Defektvariante, die sich vom Na4UO5-Typ ableitet. Ir4+ ist quadratisch-planar von vier O2- umgeben; zwei „Lücken“ ergänzen zum elongierten Oktaeder.Der Madelunganteil der Gitterenergie, MAPLE, Effektive Koordinationszahlen, ECoN, diese über Mittlere Fiktive Ionenradien, MEFIR, werden berechnet und diskutiert. Darüber hinaus wird der Mittelwert für MAPLE(“IrO2”) aller Alkali- und Erdalkalioxoiridate(IV) angegeben.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19936191002
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  • 9
    Electronic Resource
    Electronic Resource
    Magnetische Eigenschaften der Kobalt-Stickstoff-Phase Co3NVorbericht: Z. anorg. allg. Chem. 362, 337 (1968) (1969)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 366 (1969), S. 274-279 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The crystallographically defined cobalt-nitrogen phase Co3N was prepared as a pyrophoric powder by reaction of CoC2O4 · 2 H2O with anhydrous NH3. The nitrogen content is higher than expected from the formula Co3N. Co3N shows a weak temperature dependent paramagnetic susceptibility suggesting covalent bonding. Below 11°K the cobalt-nitrogen phase is antiferromagnetic.
    Notes: Die kristallographisch definierte Kobalt-Stickstoff-Phase Co3N wurde durch Umsetzung von CoC2O4 · 2 H2O mit wasserfreiem NH3 als pyrophores Pulver gewonnen. Der Stickstoffgehalt ist höher als es der Formel Co3N entspricht. Co3N zeigt eine schwach temperaturabhängige paramagnetische Suszeptibilität, die auf kovalente Bindungen schließen läßt. Unterhalb 11°K ist die Kobalt-Stickstoff-Phase antiferromagnetisch.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19693660504
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  • 10
    Electronic Resource
    Electronic Resource
    Notiz über einen Perowskit der Zusammensetzung BaInO2,5 (1985)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 528 (1985), S. 125-128 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: A Non-stoichiometric Perovskite: BaInO2.5Single crystals of BaInO2.5 were prepared by solid state reactions. Out of X-ray diffraction measurements we found a perovskite structure (a = 4.219(2) Å space group Oh1-Pm3m, Z = 1). BaInO2.5 is a rare example of a defect perovskite compound with a pure M3+ metal ion and an alkaline earth element.
    Notes: Feststoffreaktionen führten zu Einkristallen von BaInO2,5. Vierkreisdiffraktometermessungen ergaben eine Perowskitstruktur mit a = 4,219(2) Å, (Raumgruppe Oh1-Pm3m, Z = 1). BaInO2,5 ist ein Beispiel für den seltenen Fall, daß ein dreiwertiges Metallion mit Erdalkalimetallionen einen defekten Perowskit bildet.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19855280913
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