Biomedical Engineering Reference
In-Depth Information
BFO-20_MT_0.1T
FC & ZFC 1000.04 Oe
BFO-30_MT_0.1T
FC & ZFC Field 1000.047 Oe
0.132
0.0104
0.130
ZFC
FC
ZFC
FC
0.0102
0.128
0.126
0.0100
0.124
0.0098
0.122
0.0096
0.120
0.0094
0.118
0.116
0.0092
0.114
0.0090
0.112
0.0088
0.110
0
50
100
150
200
250
300
0
50
100
150
200
250
300
350
400
Temp(K)
Temp (K)
(
a
)
(
b
)
Figure 13.29
M~T curve of Bi
1-x
La
x
FeO
3
(x=0.2 and x=0.3) measured at 0.1T.
BFO-40_MT_0.1T
(FC & ZFC 999.711Oe)
BFO-50_MT_0.1T
FC & ZFC (Field 1000.054 Oe)
ZFC
FC
ZFC
FC
0.235
0.240
0.235
0.230
0.230
0.225
0.225
0.220
0.220
0.215
0.215
0.210
0.210
0.205
0.205
0.200
0.200
0
50
100
150
200
250
300
0
50
100
150
200
250
300
350
Temp (K)
Temp(K)
(
a
)
(
b
)
Figure 13.30
M~T curve of Bi
1-x
La
x
FeO
3
(x=0.4 and x=0.5) measured at 0.1T.
spin canting increases more and more and there is a gradual enhancement
from antiferro- to ferromagnetic ordering.
13.6 h
ermal Analysis (MDSC Studies)
13.6.1 Introduction
T
hermal analysis
is the study of the thermal properties of the material as
a function of time or temperature. A number of properties can be studied
