doppler velocimetry of spin propagation in a two
TRANSCRIPT
A (
a.u.
)
t (ns)
τ¬
τ+
T (K)
T (K)
a b cq (× 104 cm¬1)
q (× 104 cm¬1)
(ns)
τ
D (
× 10
3 cm
2 s¬
1 ) (kΩ
)
0.1
1.0
3456
6
2
0.30.20.10
0.3
0.2
0.1
01.20.80.40
4
3
2
1
012080400
4
2
01000
ρ
0.340.590.811.07
DsDe
.
.
.
t (ns)
t (ns)
1.5
1.0
0.5
0
t (ns)
a b c
d e f
(rad
)φ
q (× 104 cm¬1)
(ra
d ns
¬1 )
φ
q (× 104 cm¬1)
q (× 104 cm¬1)
φ¬
φ+
S z
x (μm)
(× 1
0¬
3 ra
d)φ
t (ns)
q (× 104 cm¬1)
0.8
0.6
0.4
0.2
0
0.2
0.1
0
0.30.20.10
2
1
0
1.20.80.40
0.4
0.2
0
S z
x (μm)
0.4
0.2
0
2.01.51.00.50
0.8
0.6
0.4
0.2
00.10
60
40
20
020100¬10
20100¬10
0.340.590.811.07
0.340.590.811.07
. (ra
d ns
¬1 )
φ
× 10
T (K)
s (× 1
05 cm
2 V
¬1 s
¬1 )
µ
(×
105 cm
2 V
¬1 s
¬1 )
µ
I0 / I
T (K)
a0µ
eµ
s0µ
5
4
3
2
1
01086420 12080400
0.01
0.10
1.00
24
24
24
530150
a b
