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CAS IR Grid
机构
金属研究所 [3]
物理研究所 [1]
长春光学精密机械与物... [1]
高能物理研究所 [1]
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OAI收割 [6]
内容类型
期刊论文 [4]
会议论文 [1]
学位论文 [1]
发表日期
2013 [1]
2006 [1]
2002 [2]
1992 [1]
1991 [1]
学科主题
高能实验物理 [1]
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Structure and magnetic properties of (Al, Co) Co-doped ZnO thin films (EI CONFERENCE)
会议论文
OAI收割
2012 International Conference on Materials Science and Nanotechnology, ICMSN 2012, November 16, 2012 - November 18, 2012, Guangzhou, China
Cao P.
;
Bai Y.
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  |  
浏览/下载:30/0
  |  
提交时间:2013/03/25
In this study
Zn0.99Co0.01Al0.015O thin film has been prepared by sol-gel method. The structural and magnetic properties of the sample were investigated. X-ray diffraction spectroscopy analyses indicate that the Co and Al codoping can not disturb the structure of ZnO. No additional peaks are observed in the Zn0.99Co0.01Al xO and Al3+ and Co2+ substitute for Zn 2+ without changing the wurtzite structure. The resistance measurements confirm that Al ions increase the free carriers concentration. Based on the above experiments we think the ferromagnetic behavior of the sample could not originate from Co nanoclusters. The presence of free carriers and localized d spins is a prerequisite for the appearance of ferromagnetism. As the result
the carriers generated by Al doping is considered a main factor to induce the ferromagnetic phenomenon. (2013) Trans Tech Publications
Switzerland.
Simulation of temperature-dependent resistivity for manganite La1/3Ca2/3MnO3
期刊论文
OAI收割
CHINESE PHYSICS LETTERS, 2006, 卷号: 23, 期号: 6, 页码: 1551
Cao, SO
;
Zhou, QL
;
Guan, DY
;
Lu, HB
;
Yang, GZ
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  |  
浏览/下载:29/0
  |  
提交时间:2013/09/24
PHASE-SEPARATION
POSITIVE MAGNETORESISTANCE
COLOSSAL MAGNETORESISTANCE
MAGNETIC-FIELD
THIN-FILMS
OXIDE
LA0.9SR0.1MNO3/SRNB0.01TI0.99O3
HETEROJUNCTIONS
HETEROSTRUCTURE
LA1-XTEXMNO3
Crystallization behaviour of amorphous (Fe0.99Mo0.01)(78)Si9B13 alloy
期刊论文
OAI收割
Journal of Physics D-Applied Physics, 2002, 卷号: 35, 期号: 6, 页码: 503-507
J. I. Akhter
;
M. A. Shaikh
;
M. Siddique
;
M. Ahmad
;
M. Iqbal
;
Z. Q. Hu
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  |  
浏览/下载:23/0
  |  
提交时间:2012/04/14
si-b alloys
metallic-glass
(fe0.99mo0.01)78si9b13 alloys
mossbauer-spectroscopy
nanocrystalline
precipitation
fe78b13si9
phase
Nanocrystallization process and ferromagnetic properties of amorphous (Fe0.99Mo0.01)(78)Si9B13 ribbons
期刊论文
OAI收割
Current Applied Physics, 2002, 卷号: 2, 期号: 3, 页码: 187-191
X. C. Sun
;
J. Reyes-Gasga
;
N. Nava
;
W. S. Sun
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  |  
浏览/下载:17/0
  |  
提交时间:2012/04/14
ferromagnetic properties
nanocrystallization
(Fe0.99Mo0.01)(78)Si9B13
ribbons
magnetization
magnetic-properties
crystallization
fe78b13si9
behavior
alloy
非晶(Fe_(0.99)Cu_(0.01))_(78)Si_9B_(13)合金等温晶化动力学
期刊论文
OAI收割
金属学报, 1992, 期号: 11, 页码: 65-69
刘学东
;
王景唐
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  |  
浏览/下载:13/0
  |  
提交时间:2012/04/12
非晶合金
晶化激活能
局域Avrami指数
(Fe_(0.99)Cu_(0.01))_(78)Si_9B_(13)合金
硕士论文-J/ψ衰变到2(pai+pai-)°p和2(K+K-)终态的强衰变研究
学位论文
OAI收割
硕士, 北京: 中国科学院研究生院, 1991
作者:
陈少敏
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浏览/下载:24/0
  |  
提交时间:2015/10/12
The
J/Ψ
hadronic
decays
involving
2(π+π-)π°and
2(K+K-)
final
states
are
investigated
by
using
the
sample
of
2.5
*
10~6
J/Ψ's
which
were
obtained
from
the
BES
detector
at
BEPC
in
the
first
half
of
1990.
Some
signals
such
as
ω(782)
φ(1020)
f2(1270)
f2'(1525)
θ/f2(1720)
b1(1235)
and
a2(1320)
have
been
found
and
measured
the
mass
width
and
branching
fraction
of
reasonance
states.
The
results
are
agreement
with
the
world
average
values.
The
ratio
of
Br(J/Ψ
→
ω
f2(1270))/Br(J/Ψ→ρ°a2°)
shows
that
doubly
OZI
violating
effects
play
a
role
in
the
J/Ψ
→
ω
f2(1270)
f2(1270)
→
π+π-
are
given
in
the
first
time:
x
=
0.99
±
0.29
Y
=
-0.24
±
0.17
Z1
=
0.90
±
0.57
Z2
=
0.56
±
0.22.