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Title: Magnetic properties of Fe implanted SrTiO{sub 3} perovskite crystal

Graphical abstract: - Highlights: • The results of investigations of magnetic properties of Fe implanted SrTiO{sub 3} are presented. • The measurements of the temperature dependence of the magnetization were performed. • Ferromagnetic hysteresis loops in Fe implanted SrTiO{sub 3} were observed at low temperatures. • Superparamagnetic behavior of the samples at high temperatures was revealed. • It was shown that the magnetization of the samples depends on the fluency of implantation. - Abstract: The results of investigations of magnetic properties of SrTiO{sub 3} perovskite crystal implanted with 40 keV Fe ions at the fluencies between 0.5 × 10{sup 17} and 1.5 × 10{sup 17} ion/cm{sup 2} are presented. It has been revealed that high-fluency implantation with Fe ions results in the formation of a granular metal particulate composite in the irradiated near-surface layer of SrTiO{sub 3} substrate, which exhibits remarkable ferromagnetic behavior. The measurements of the temperature dependence of the magnetic moment showed that the samples exhibit blocking temperature at about 350 K, above which a superparamagnetic behavior has been observed. Ferromagnetic ordering and magnetic hysteresis loops were observed in Fe implanted SrTiO{sub 3} at the temperatures lower than 350 K. It has been shown that the magnetization ofmore » the ferromagnetic state depends on the fluency of implantation.« less
Authors:
;  [1] ; ;  [2] ;  [2] ;  [3] ;  [1] ;  [4]
  1. Department of Physics, Gebze Institute of Technology, Gebze, 41400, Kocaeli (Turkey)
  2. Kazan Physical-Technical Institute, 10/7, Sibirsky Trakt, 420029, Kazan (Russian Federation)
  3. (Russian Federation)
  4. (Azerbaijan)
Publication Date:
OSTI Identifier:
22341725
Resource Type:
Journal Article
Resource Relation:
Journal Name: Materials Research Bulletin; Journal Volume: 48; Journal Issue: 8; Other Information: Copyright (c) 2013 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; CRYSTALS; HYSTERESIS; IRON IONS; IRRADIATION; KEV RANGE; MAGNETIC MOMENTS; MAGNETIC PROPERTIES; MAGNETIZATION; NANOSTRUCTURES; PEROVSKITE; STRONTIUM TITANATES; SUBSTRATES; SUPERPARAMAGNETISM; TEMPERATURE DEPENDENCE