NDLI: Magnetic properties of Mo–N co-doped TiO$

Content Provider	Springer Nature Link
Author	Zou, Zhaorui Zhou, Zhongpo Wang, Haiying
Copyright Year	2016
Abstract	In this paper, the un-doped, Mo doped, N doped and Mo–N co-doped TiO$_{2}$ nanotubes (TNTs) films were prepared by a two-step anodic oxidation method. The paper mainly investigated the origin of room temperature (RT) magnetic properties of all the samples. X-ray diffraction studies showed that the impurity of magnetic Mo atoms or N atoms were doped into anatase TiO$_{2}$ lattices. It is revealed by the results of X-ray photoelectron spectroscopy and photoluminescence spectra that oxygen vacancies (Vos) exist. For all the samples the values of the saturation magnetizations (Ms) are in the order of Mo–N co-doped TiO$_{2}$ > Mo-doped TiO$_{2}$ > N-doped TiO$_{2}$ > un-doped TiO$_{2}$. Thus, the the Mo–N co-doped film achieved the highest RT Ms. The enhancement of the Ms origins from the cooperationg of the doping Vo, Mo and N. This progress provides some clues for the increase the saturation magnetization in TiO$_{2}$-based dilute magnetic semiconductors at RT. The experiment results indicate that the Vos play a crucial role in RT ferromagnetic properties for TNTs films.
Starting Page	207
Ending Page	213
Page Count	7
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	28
Issue Number	1
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2016-08-11
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical and Electronic Materials Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering

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