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Article
Primärversorgung von Kindern und Jugendlichen mit Entwicklungs- und/oder psychischen Störungen
Die Evaluation interdisziplinärer Ambulatorien in der Primärversorgung von Kindern und Jugendlichen mit entwicklungs- und/oder psychischen Störungen ist mit der Schwierigkeit verbunden, dass keine allgemeinen ...
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Article
A time-resolved diffraction study of the Ta–C solid combustion system
The formation of TaC and Ta2C by combustion synthesis from their elemental constituents has been studied by time-resolved x-ray diffraction (TRXRD) using synchrotron radiation. The reactions have been followed wi...
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Article
Non-superconducting and rendered superconducting YBa2Cu3O7−x . An in-situ photoemission study
We present X-ray photoemission spectroscopy (XPS) results obtained on polycrystalline YBa2Cu3O7−x in the non-metallic (x>0.6) and metallic state (x<0.6) by an in-situ oxygen deloading/loading procedure, thus avo...
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Article
Structure of ErBa2Cu3Ox in the Composition Range 6.1 < x < 7.0
The structure of a series of homogeneous ErBa2Cu3Ox powder samples (6.1 < x < 7.0) has been determined by elastic neutron scattering using the Rietveld method of profile refinement. All samples were prepared in t...
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Article
The sign of the EFG in semiconducting and grain-oriented high-T c YBa2 (Cu1−x 57Fe x )3O y by Mössbauer spectroscopy
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Article
Magnetic properties and antiferromagnetic Cu ordering in Pr2CuO4
Bulk-magnetisation measurements and neutron-scattering experiments were performed both on a polycrystalline sample and on a single-crystal of Pr2CuO4 in the temperature range from 1.5 to 300 K. Pr2CuO4 crystalliz...
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Article
On the suppression of superconductivity in ErBa2Cu3Ox
Powder samples of ErBa2Cu3Ox prepared by a desorption-absorption procedure were studied by susceptibility and neutron-diffraction experiments for variousx(6≦x≦7). The suppression of superconductivity does not coi...
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Chapter and Conference Paper
Magnetic Interactions in High-Tc Superconductors and Related Oxides
Zero-field µ+SR measurements in a ceramic sample of Ba2HoCu3O7 reveal 3D antiferromagnetic order below 5 K and some incoherent magnetic correlations up to 50 K in a decreasing volume fraction of the sample. A cha...
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Chapter
Physical Properties and Structural Chemistry of YBa2Cu3Ox Prepared by a Defined Oxygen Sorption Procedure
Samples of YBa2Cu3Ox (6.Ø<x<7.Ø) were prepared by a UHV desorption — absorption procedure. Employing this technique it is possible to obtain controlled and reproducible oxygen contents in order to study physical ...