Structural and magnetic properties of CuO-TeO sub(2)-B sub(2)O sub(3)-SrO glasses

Structural and magnetic properties of CuO-TeO sub(2)-B sub(2)O sub(3)-SrO glasses

Glasses of the system 70TeO sub(2) times 25B sub(2)O sub(3) times 5SrO doped with CuO up to 20 mol% were investigated. Mixed valence states (Cu super(2+) and Cu super(+)) of copper ions were revealed. Depending on CuO concentration, Cu super(2+) are distributed as isolated ions in axially distorted...

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Veröffentlicht in:Journal of magnetism and magnetic materials 1999-01, Vol.196, p.253-254
Hauptverfasser: Ardelean, I, Peteanu, M, Simon, V, Cozar, O, Ciorcas, F, Lupsor, S
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creator Ardelean, I
Peteanu, M
Simon, V
Cozar, O
Ciorcas, F
Lupsor, S
description Glasses of the system 70TeO sub(2) times 25B sub(2)O sub(3) times 5SrO doped with CuO up to 20 mol% were investigated. Mixed valence states (Cu super(2+) and Cu super(+)) of copper ions were revealed. Depending on CuO concentration, Cu super(2+) are distributed as isolated ions in axially distorted octahedral symmetric sites, or associated in clusters. The magnetic behaviour of the studied glasses was interpreted in terms of dipole-dipole interactions.
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title Structural and magnetic properties of CuO-TeO sub(2)-B sub(2)O sub(3)-SrO glasses
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