Effects of nickel ions implantation and subsequent thermal annealing on structural and magnetic properties of titanium dioxide

Wide bandgap semiconducting rutile (TiO sub(2)) doped with 3d-elements is a promising material for spintronic applications. In our work a composite material of TiO sub(2):Ni has been formed by using implantation of Ni super(+) ions into single-crystalline (100)- and (001)- plates of TiO sub(2). Sub-...

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Bibliographic Details
Published in:Journal of physics. Conference series 2014-01, Vol.572 (1), p.1-5
Main Authors: Vakhitov, I R, Lyadov, N M, Valeev, V F, Nuzhdin, V I, Tagirov, L R, Khaibullin, R I
Format: Article
Language:English
Subjects:
Annealing
Coils
Composite materials
Crystal structure
Crystallinity
Crystals
Fluence
Implantation
Ion implantation
Magnetic measurement
Magnetic properties
Nickel
Photoelectrons
Physics
Rutile
Single crystals
Titanium dioxide
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Summary:Wide bandgap semiconducting rutile (TiO sub(2)) doped with 3d-elements is a promising material for spintronic applications. In our work a composite material of TiO sub(2):Ni has been formed by using implantation of Ni super(+) ions into single-crystalline (100)- and (001)- plates of TiO sub(2). Sub-micron magnetic layers of TiO sub(2) containing nickel dopant have been obtained at high implantation fluence of 1x10 super(17) ion/cm super(2). A part of the implanted samples was then annealed in vacuum at different temperatures T sub(ann) = 450-1200 K for 30 min. The influence of the implantation fluence, crystalline orientation, as well as subsequent annealing on the structural and magnetic properties of the nickel-implanted TiO sub(2) have been investigated by using X-ray photoelectron spectroscopy, scanning electron microscopy and coil magnetometry techniques.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/572/1/012048