Paper Title:
Neutron Diffraction Study on Magnetic Structure in Layered Manganite La2-2xSr1+2xMn2O7 (x=0.307)
  Abstract

Magnetic structure in a layered perovskite manganite, La2-2xSr1+2xMn2O7 (x = 0.307) has been investigated by neutron diffraction measurements. We found that the ground state (at 4 K) has a ferromagnetic structure with magnetic moment of Mn ions being aligned in a direction inclined by 10 degree from the c-axis. The magnetic structure changes to a canted antiferromagnetic one (CAFM-I) at about 20 K and then to another canted antiferromagnetic one (CAFM-II) at about 80 K. Here the magnetic moment lies in the ab-plane in CAFM-II but not in CAFM-I. The magnetic structure then changes to an antiferromagnetic one with magnetic moment lies in the ab-plane at about 90 K, and then to a paramagnetic one at about 100 K.

  Info
Periodical
Solid State Phenomena (Volumes 172-174)
Edited by
Yves Bréchet, Emmanuel Clouet, Alexis Deschamps, Alphonse Finel and Frédéric Soisson
Pages
1301-1306
DOI
10.4028/www.scientific.net/SSP.172-174.1301
Citation
H. Sonomura, T. Terai, T. Kakeshita, T. Osakabe, K. Kakurai, Y. Kuroiwa, C. Moriyoshi, T. Okubo, K. Kato, J. Kim, M. Takata, "Neutron Diffraction Study on Magnetic Structure in Layered Manganite La2-2xSr1+2xMn2O7 (x=0.307)", Solid State Phenomena, Vols. 172-174, pp. 1301-1306, 2011
Online since
June 2011
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