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This article is cited in 2 scientific papers (total in 2 papers)
Magnetism
Investigation of a spin transition in a LaCoO$_{3}$ single crystal by the method of X-ray magnetic circular dichroism at the cobalt $K$- and $L_{2,3}$-edges
V. V. Sikolenkoab, I. O. Troyanchukc, D. V. Karpinskyc, A. Rogalevd, F. Wilhelmd, R. Rosenberge, D. Prabhakaranf, E. A. Efimovaa, V. V. Efimova, S. I. Tyutyunnikova, I. A. Bobrikova a Joint Institute for Nuclear Research, Dubna, Moscow region
b Research and Education Center "Functional Nanomaterials", Immanuel Kant Baltic Federal University, Kaliningrad, Russia
c Scientific and Practical Materials Research Centre, National Academy of Sciences of Belarus, Minsk, Belarus
d European Synchrotron Radiation Facility (ESRF), Grenoble Cedex, France
e The Advanced Photon Source (APS) Argonne, Argonne, USA
f Department of Physics, University of Oxford, United Kingdom
Abstract:
Spin transitions of cobalt ions in LaCoO$_{3}$ single crystals have been studied by the method of X-ray magnetic circular dichroism (XMCD) at the $K$- and $L_{2,3}$-edges of Co$^{3+}$ ions. The orbital momentum of cobalt ions obtained for the $K$-edge at the 3 $d$ level in the region of the spin transition in the temperature range from 25 to 120 K increases by a factor of approximately 1.6, whereas the slope of the magnetization curve value in the same temperature range and magnetic field increases by a factor of more than 10. XMCD experiments at the cobalt $L_{2,3}$-edges demonstrate gradual growth of the ratio of the orbital momentum to the spin one $L/S$ from 0.48 to 0.53 in the temperature range from 60 K to 120 K.
Received: 27.06.2017
Citation:
V. V. Sikolenko, I. O. Troyanchuk, D. V. Karpinsky, A. Rogalev, F. Wilhelm, R. Rosenberg, D. Prabhakaran, E. A. Efimova, V. V. Efimov, S. I. Tyutyunnikov, I. A. Bobrikov, “Investigation of a spin transition in a LaCoO$_{3}$ single crystal by the method of X-ray magnetic circular dichroism at the cobalt $K$- and $L_{2,3}$-edges”, Fizika Tverdogo Tela, 60:2 (2018), 283–286; Phys. Solid State, 60:2 (2018), 288–291
Linking options:
https://www.mathnet.ru/eng/ftt9301 https://www.mathnet.ru/eng/ftt/v60/i2/p283
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