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2017 | 131 | 4 | 699-701
Article title

Magnetic Properties of Synthetic Gehlenite Glass Microspheres

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Abstracts
EN
In the paper, gehlenite amorphous microspheres were prepared by the flame synthesis of a powder precursor. In the first step, the precursor was prepared from a stoichiometric mixture of CaCO₃, Al₂O₃ and SiO₂ by a standard solid-state reaction method. Next, the precursor was sprayed into a CH₄-O₂ flame with the temperature of around 2200°C and molten droplets of synthetic gehlenite were rapidly cooled by distilled water. Structural and detailed magnetic properties were studied by the optical microscopy, X-ray diffraction and QD SQUID magnetometer. The gehlenite microspheres show a complex magnetic behaviour that is a function of the temperature and the magnetic field, e.g. diamagnetism and paramagnetism at 300 K and 2 K, respectively.
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Contributors
author
  • Department of Magnetometry, Institute of Measurement Science, SAS, Dúbravská cesta 9, 841 04 Bratislava, Slovakia
  • Department of Magnetometry, Institute of Measurement Science, SAS, Dúbravská cesta 9, 841 04 Bratislava, Slovakia
author
  • Department of Magnetometry, Institute of Measurement Science, SAS, Dúbravská cesta 9, 841 04 Bratislava, Slovakia
author
  • Department of Magnetometry, Institute of Measurement Science, SAS, Dúbravská cesta 9, 841 04 Bratislava, Slovakia
author
  • Vitrum Laugaricio - Joint Glass Center of the IIC SAS, TnU AD, FCHTP STU and Rona, a.s., Študenstská 2, 911 50 Trenčín, Slovakia
author
  • Vitrum Laugaricio - Joint Glass Center of the IIC SAS, TnU AD, FCHTP STU and Rona, a.s., Študenstská 2, 911 50 Trenčín, Slovakia
author
  • Vitrum Laugaricio - Joint Glass Center of the IIC SAS, TnU AD, FCHTP STU and Rona, a.s., Študenstská 2, 911 50 Trenčín, Slovakia
author
  • Department of Magnetometry, Institute of Measurement Science, SAS, Dúbravská cesta 9, 841 04 Bratislava, Slovakia
References
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Document Type
Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv131n4029kz
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