Neutron Powder Diffraction Study of the Effect of Mn-Doping on SrTiO3

Yukari Fujioka; Johannes Frantti; Sven C. Vogel; Jian Zhong Zhang; Zhi Jun Lin; Helmut Reiche; Adrian Losko; Luke L. Daemen

doi:10.4028/www.scientific.net/MSF.700.28

Paper Titles

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Formation of Nanoparticles in Zr and Dy Doped YBCO MOD Superconducting Films
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Magnetotransport Study of Electron Doping in Sr₂FeMoO₆
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Ferromagnetism in MgTiO₃-Ti₂O₃Solid Solutions
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Neutron Powder Diffraction Study of the Effect of Mn-Doping on SrTiO₃
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Magnetisation and Magneto-Resistance Study of Ferromagnetic Metal/Half Metallic Double Perovskite Bi-Layers
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Effects of Implanted Fe⁺ Fluences on the Growth and Magnetic Properties of Surface Nanoclusters
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Growth and Transport Properties of Sr-Doped Lanthanum Titanate Thin Films on LaAlO₃
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Samarium Doped KMgF₃ Nanoparticles
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Neutron Powder Diffraction Study of the Effect of Mn-Doping on SrTiO₃

Abstract:

The effect of manganese doping on the magnetic and structural properties of strontiumtitanate (SrTiO3) was studied. Neutron powder diffraction, x-ray diffraction, magneticmeasurements, scanning electron microscopy and energy dispersive spectroscopy of x-rays wereutilized. Air-sintered Sr(MnxTi1-x)O3 (SMT) with x = 0:02 and x = 0:05 were homogeneoussingle phase orthorhombic (space group Pbnm) perovskite samples. The symmetry was orthorhombicalready at room temperature, and no symmetry change was observed down to 11K. An anomaly in the magnetic susceptibility was observed in x = 0:02 sample at 75 K. Incontrast to earlier reports, no ferromagnetism was observed.