energetics of ferromagnetism by leon dragone
TRANSCRIPT
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,
, '
. '
,
. ?
,
A , .
C
1.
'
. 1. '
1 2 ,
.
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2.
' .
= 1 2 + 1 2
E (1).
, ,
. ,
, . , .
#1
#2, #1.
.
.
. D (1)
= =
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, . F
'
= /
= 0, =
W = 0 B
EF . B > 0, = /
. ,
= + / . F
, < 0.F , 0
30 0.1 . = 2000H
R = 20000 , = 2000 0.3 +20000 0.03 MI10. E
.
F, = . F
E ,
,
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. ,
30 300
. < 0 , A
= + < 0
.
, . ,
: F
. B
?
3.
?
F ,
; ..
. F
, 1 2
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. : )
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:
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' . A
, .
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4. C,
= .F , = > 0, .
A
' .
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,
. B
.
'
.
, .
; ..
' , ,
.
. F,
B B
, , ,
. A
, ' B
.
.
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. D
,
" . C
' .
= 0,
.
, , ,
.
. D
.
10 100
10 100
.
. ,
. '
,
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.
'
, " "
' . ' ,
= 1 2 .
F , =
1
= 1 2
4 1 2 1 .
4 = 10,
,
= 2/10 1 .
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= 1 , '
= 1 , 200 =614 . 1 30
, 20
. F 10 ,
200 . = 200 =
50
. F 100
,
50 =
= (0.11 )(100 )(454 )
= 50 4994 0
0.11 . F ,
1 100
C .
'
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3.0C.
EE
. , '
.
,
.
. F , ,
. ,
.
,
, .
. F E
E 2000% .
5 .
. A ,
, . C,
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.
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.
. A,
EE 20
1 .
.
" "
,
,
.
F . ,
.
,
,
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. E
. 5
60
.
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D :
..
D .
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