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Magnetic and transport properties investigation of rare-earth compounds with orthorhombic structures

V. LOVCHINOV1,* , A. APOSTOLOV2, D. DIMITROV1, I. RADULOV1, P. SIMEONOVA1, K. KALAYDJIEV1, PH. VANDERBEMDEN3

Affiliation

  1. Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee Blvd., 1784 Sofia, Bulgaria
  2. University of Sofia, Faculty of Physics, 5 J. Bourchier Blvd.,1164 Sofia, Bulgaria
  3. SUPRATECS, Universite de Liege, Institut d'Electricite Montefiore, B28 Sart Tilman, B-6000 Liege, Belgium

Abstract

The structural, magnetic, magnetoelectric, and ferroelectric properties of a series of monocrystals with perovskite structures have been examined. The investigations were carried out in the temperature range 2–800 K and at magnetic fields up to 14 T. The existence of giant magnetoresistance (GMR) for some samples, a giant magnetostiction effect for others and the presence of multiphase ferroelectric states were demonstrated. Various possibilities for practical applications are discussed..

Keywords

Single crystal manganites, Magnetoelectric and ferroelectric properties, Multiferroics.

Submitted at: Nov. 1, 2006
Accepted at: Feb. 15, 2007

Citation

V. LOVCHINOV, A. APOSTOLOV, D. DIMITROV, I. RADULOV, P. SIMEONOVA, K. KALAYDJIEV, PH. VANDERBEMDEN, Magnetic and transport properties investigation of rare-earth compounds with orthorhombic structures, Journal of Optoelectronics and Advanced Materials Vol. 9, Iss. 2, pp. 460-463 (2007)