Magnetization steps in Pb sub(1-x)Ce sub(x)S at 20mK

Magnetization steps in Pb sub(1-x)Ce sub(x)S at 20mK

The magnetization of Pb sub(1-x)Ce sub(x)S single crystals was measured at 20mK and magnetic field upto 90kOe. Magnetization steps from two types of pairs were observed. The first has an isotropic exchange interaction with J = -0.32K. The second type of pairs gives a structured step which can be exp...

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Veröffentlicht in:Journal of magnetism and magnetic materials 2001-05, Vol.226, p.2036-2037
Hauptverfasser: Gratens, X, Ter Haar, E, Bindilatti, V, Oliveira N.F., Jr, Shapira, Y, Golacki, Z
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Sprache:eng
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Zusammenfassung:The magnetization of Pb sub(1-x)Ce sub(x)S single crystals was measured at 20mK and magnetic field upto 90kOe. Magnetization steps from two types of pairs were observed. The first has an isotropic exchange interaction with J = -0.32K. The second type of pairs gives a structured step which can be explained by an anisotropic exchange interaction. Cluster statistics suggests that both types are nearest-neighbor pairs. copyright 2001 Elsevier Science B.V. All rights reserved.
ISSN:0304-8853