Issue |
Europhys. Lett.
Volume 64, Number 6, December 2003
|
|
---|---|---|
Page(s) | 797 - 802 | |
Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
DOI | https://doi.org/10.1209/epl/i2003-00628-6 | |
Published online | 01 November 2003 |
Ferromagnetism in
co-doped
:
1
Department of Physics, Pusan National University -
Busan 609-735, Korea
2
COMTECS Limited, Advanced Materials
Research Laboratory - Daegu 704-702, Korea
3
Division of Nano-Science and Technology, Pusan National University
Busan 609-735, Korea
4
Korea Basic
Science Institute, Busan branch - Busan 609-735, Korea
Corresponding author: syjeong@pusan.ac.kr
Received:
23
June
2003
Accepted:
9
October
2003
We investigated the induced ferromagnetism by the co-doping of
in
:
. For this study, we fabricated
:
and
co-doped
:
by the sol-gel method. While the
:
thin film showed no ferromagnetic behavior, we observed a
clear magnetic hysteresis loop in the
co-doped
:
thin film above 350
. In order to
analyze the role of
in
:
, we carried
out a structural study using X-ray diffraction and X-ray
photoemission spectroscopy measurement, and discussed the results.
In the magnetic-force-microscopy measurement, we did not observe
any magnetic clustering corresponding to the segregated secondary
phase. In this paper, we discussed some viewpoints for
ferromagnetism in the case of
co-doped
:
.
PACS: 75.50.Pp – Magnetic semiconductors / 61.72.Vv – Doping and impurity implantation in III-V and II-VI semiconductors / 81.15.-z – Methods of deposition of films and coatings; film growth and epitaxy
© EDP Sciences, 2003
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