Published February 2006 | Version v1
Journal article Metadata-only

Magnetic properties of rutile Ti1-xFexO2 epitaxial thin films

Creators

  • 1. Tokyo Inst. of Technology, Materials and Structures Laboratory, Yokohama, Kanagawa (Japan)
  • 2. Kanagawa Academy of Science and Technology (KAST), Kawasaki, Kanagawa (Japan)

Description

Growth conditions for pulsed laser deposition of ferromagnetic Ti1-xFexO2 films with the rutile structure have been optimized on the basis of magnetooptical Kerr effect (MOKE) measurements. Thus, it was found that Ti0.94Fe0.06O2 films prepared under very limited growth conditions, at a substrate temperature of 650-675degC and an oxygen pressure of ∼1 x 10-6 Torr, show ferromagnetism at room temperature. The optimized films revealed a saturation magnetization of 1.3 μB and a coercive field of 0.14 kOe. From XPS measurements, the valence state of Fe was determined to be 3+, ruling out the possibility that ferromagnetism may arise from Fe3O4 nanoparticles. (author)

Additional details

Publishing Information

Journal Title
Japanese Journal of Applied Physics. Part 2, Letters and Express Letters
Journal Volume
45
Journal Issue
4-7
Journal Page Range
p. L114-L116
ISSN
0021-4922

INIS

Country of Publication
Japan
Country of Input or Organization
Japan
INIS RN
37067658
Subject category
S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
Descriptors DEI
CRYSTAL DOPING; DEPOSITION; EPITAXY; FERROMAGNETIC MATERIALS; FERROMAGNETISM; IRON IONS; KERR EFFECT; LASER RADIATION; MAGNETIC PROPERTIES; MAGNETIZATION; MAGNETO-OPTICAL EFFECTS; PHOTOEMISSION; RUTILE; THIN FILMS; TITANIUM OXIDES; X-RAY DIFFRACTION; X-RAY SPECTROSCOPY
Descriptors DEC
CHALCOGENIDES; CHARGED PARTICLES; COHERENT SCATTERING; CRYSTAL GROWTH METHODS; DIELECTRIC PROPERTIES; DIFFRACTION; ELECTRICAL PROPERTIES; ELECTROMAGNETIC RADIATION; EMISSION; FILMS; IONS; MAGNETIC MATERIALS; MAGNETISM; MATERIALS; MINERALS; OXIDE MINERALS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RADIATIONS; RADIOACTIVE MATERIALS; RADIOACTIVE MINERALS; SCATTERING; SECONDARY EMISSION; SPECTROSCOPY; TITANIUM COMPOUNDS; TRANSITION ELEMENT COMPOUNDS

Optional Information

Notes
11 refs., 4 figs.