Springer LINK: The European Physical Journal B - Abstract Volume 4 Issue 3 (1998) pp 285-289

The European Physical Journal B

ISSN: 1434-6028 (printed version)
ISSN: 1434-6036 (electronic version)

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Abstract Volume 4 Issue 3 (1998) pp 285-289

Long and short range spin-spin interactions in ErBa$\sf _2$Cu$\sf _3$O$\sf _7$

E. Rastelli, A. Tassi

Dipartimento di Fisica and Istituto Nazionale per la Fisica della Materia, Università di Parma, 43100 Parma, Italy

Received: 12 January 1998 / Received in final form: 26 March 1998 / Accepted: 10 April 1998

Abstract: Dipolar spin-spin interactions play a crucial role as for the magnetic order in the compounds of the RBa₂Cu₃O_6+x family, (R = Dy, Er, Nd). However, inelastic neutron scattering data observed in ErBa₂Cu₃O₇ can be explained only if exchange interactions in addition to dipolar ones are taken into account.

PACS. 75.10.-b General theory and models of magnetic ordering - 75.25.+z Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source X-ray scattering, etc.) - 75.50.-y Studies of specific magnetic materials

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