32 research outputs found
XI. Über Wasserstoffionenbestimmung im Harn. Ein Beitrag zur Lehre von der Bedeutung der Acidose in der Chirurgie
Einrichtung und Betrieb des 'Umweltbildungswerkes Kronsberg-Hof' Abschlussbericht
SIGLEAvailable from TIB Hannover: F04B180 / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekDeutsche Bundesstiftung Umwelt, Osnabrueck (Germany)DEGerman
Crystal Growth of Spin-frustrated Ba<sub>4</sub>Nb<sub>0.8</sub>Ir<sub>3.2</sub>O<sub>12</sub>: A Possible Spin Liquid Material
Polycrystalline Ba4NbIr3O12 has recently been shown to be a promising spin liquid candidate. We report an easy and reliable method to grow millimeter-sized single crystals of this trimer-based spin liquid candidate material with the actual stoichiometry of Ba4Nb0.8Ir3.2O12. The growth of large crystals is achieved using BaCl2 as flux. The crystals show a hexagonal plate-like habit with edges up to 3 mm in length. The structure is confirmed by single-crystal X-ray diffraction and is found to be the same as that of the previously reported phase Ba12Nb2.4Ir9.6O36 [Ba4Nb0.8Ir32O12], indeed with a mixed occupancy of Nb/Ir at the 3a site. The magnetic and calorimetric study on the individual single crystals confirms the possibility of a spin liquid state consistent with a recent report on a polycrystalline sample