Sahu, Ranjan K and Krishnan, P S R and Das, A and Shinde, A B and Ramanasham, M (2006) Ru-induced spin rotation in La1.2Sr1.8Mn1.9Ru0.1O7 bilayered manganite. Journal of Magnetism and Magnetic Materials, 297 (2). pp. 84-87.
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We have studied the magnetic properties of Ru-doped La1.2Sr1.8Mn1.9Ru0.1O7 bilayered manganite using neutron diffraction (ND) technique. The ND measurements show that the compound exhibits ferromagnetic ordering with the spins direction parallel to the c-axis. This is in sharp contrast to the parent compound where the spins are oriented along the a-b plane. The large spin-orbit coupling constant of Ru+4 ion (lambda = similar to 900 cm(-1)) seems to play an important role on lifting of the orbital degeneracy of the e(g) state by which the e(g) electron prefers to occupy the d(3z2-,r2) orbital and therefore, the spins align along the c-axis. (C) 2005 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | layered manganite; neutron scattering; spin rotation |
| Subjects: | Materials Science |
| Divisions: | Metal Extraction and Forming |
| Depositing User: | Users 5 not found. |
| Date Deposited: | 19 Jul 2011 06:50 |
| Last Modified: | 20 Jun 2012 08:36 |
| URI: | http://eprints.nmlindia.org/id/eprint/3398 |
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