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Title: Growth and properties of La{sub 0.7}Sr{sub 0.3}MnO{sub 3}/YBa{sub 2}Cu{sub 3}O{sub 7−δ}/La{sub 0.7}Sr{sub 0.3}MnO{sub 3} epitaxial trilayer films

We report the growth and properties of La{sub 0.7}Sr{sub 0.3}MnO{sub 3}/YBa{sub 2}Cu{sub 3}O{sub 7−δ}/La{sub 0.7}Sr{sub 0.3}MnO{sub 3} LSMO/YBCO/LSMO epitaxial trilayer films, fabricated on SrTiO{sub 3} substrate using pulsed laser deposition technique. From x-ray diffraction and high resolution x-ray diffraction measurements, it is confirmed that the grown trilayered films are single phase and epitaxial in nature. Magneto-transport and magnetic properties are found to be dependent on the thickness of YBCO spacer layer. We infer that for fixed thickness of top and bottom LSMO layers, superconductivity is completely suppressed. At 100 K, the hysteresis loops reveal the ferromagnetic signature of trilayered film. At room temperature, we obtain a butterfly type scenario, signifies the co-existence of ferromagnetic and antiferromagnetic interaction. In addition, at room temperature, the YBCO spacer layer allowing the top and bottom LSMO layers to interact antiferromagnetically.
Authors:
; ;  [1] ;  [2] ;  [3] ;  [4]
  1. Department of Physics, National Institute of Technology, Hamirpur -177005 (India)
  2. Centre for Materials Science and Engineering, National Institute of Technology, Hamirpur -177005 (India)
  3. (India)
  4. UGC-DAE-Consortium for Scientific Research, Khandwa Road, Indore-452001 (India)
Publication Date:
OSTI Identifier:
22488836
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1675; Journal Issue: 1; Conference: AMRP-2015: 4. national conference on advanced materials and radiation physics, Longowal (India), 13-14 Mar 2015; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ANTIFERROMAGNETISM; BARIUM OXIDES; COPPER OXIDES; ENERGY BEAM DEPOSITION; EPITAXY; FILMS; HIGH-TC SUPERCONDUCTORS; HYSTERESIS; LANTHANUM COMPOUNDS; LASER RADIATION; LAYERS; MAGNETIC PROPERTIES; MANGANATES; PULSED IRRADIATION; STRONTIUM TITANATES; SUBSTRATES; SUPERCONDUCTIVITY; TEMPERATURE RANGE 0273-0400 K; X-RAY DIFFRACTION; YTTRIUM OXIDES