Title: Crystallographic and magnetic investigations of textured bismuth ferrite lead titanate layers

Journal Article · · Materials Research Express (Online)
ORCiD logo [1];  [2];  [3];  [4];  [3];  [5];  [6];  [7];  [6]
  1. Univ. of Leeds (United Kingdom); GPG Industrial, Mining and Technical Services GmbH, Dusseldorf (Germany)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Tyndall National Inst. Univ. College Cork (Ireland)
  4. Tyndall National Inst. Univ. College Cork (Ireland); Univ. of Cambridge (United Kingdom)
  5. North Carolina State Univ., Raleigh, NC (United States)
  6. Univ. of Leeds (United Kingdom)
  7. Eskisehir Technical Univ. (Turkey)

In present work we demonstrate the synthesis of textured 60BiFeO3–40PbTiO3 (60:40 BFPT) by using the templated grain growth technique with platelets of BaTiO3. Synthesised 60:40 BFPT has been examined by High-energy x-ray diffraction utilizing a synchrotron x-ray source. The crystallographic structure refinement results revealed the co-existence of monoclinic and tetragonal phases. By employing an external electric field, the mixed monoclinic/tetragonal phases transformed to the predominantly tetragonal phase. In addition, a crystallographic texture refinement was completed on unpoled state of 60:40 BFPT which showed the sample had 1.3 multiples of random distribution (MRD) $$\{100\}$$ crystallographic textured in tetragonal phase. However, magnetic measurements showed isotropic ferromagnetism for the sample which is not in agreement with the crystallographic texture properties of the sample. Low temperature magnetic transition has been found in zero field cooled—field cooled (ZFC-FC) measurements. This could be due to the possible existence of a secondary magnetic phase, which dominated the magnetic result.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1486942
Journal Information:
Materials Research Express (Online), Journal Name: Materials Research Express (Online) Journal Issue: 12 Vol. 5; ISSN 2053-1591
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English

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