V.stamelou Msc-Thesis English 23012010
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8/11/2019 V.stamelou Msc-Thesis English 23012010
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2
3 2 2 2 2
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2
2
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2 3
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2
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0
0
2 2
2 2
2
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2+
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4
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(
)
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∗
→
∗
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2
→
∗
2
→
∗
2
32 18 8
= 28
1
(
) + 28 2
(
) + 15 3
(
) + 13 1
(
)+
+14 2
(
) + 28 3
(
) + 13
+ 29
(
)
2
32 16 8
= 22
1(
) + 41 (
) + 21
1(
) + 21 2(
) + 19
2
1
1 2 2
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−1
−1
− 1
−1
−1
− − − −
−1 − 1 −
−
1
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5
65
3
3
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110
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4
2
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∗
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2
3
2
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= 10−4
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= 0 cos(2
)
=
=
0 cos(2
)
=
+
cos(2
)
= 0
cos(2
)
= 0
0 cos(2
) + 0
cos(2
) cos(2
)
cos(
)cos(
) = 1
2[cos(
+
)cos(
− )]
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= 0
0 cos(2
) +
0
2
cos(2 (
−
) ) +
0
2
cos(2 (
+
) )
−
+
(
0 0)
(
)
= 0 +
0
|
|
(
0 0)
0
¯
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−→
= −→
± −→
−→
−→
−→
−→
1800
−
−→
−→
−−→
=−→
+−→
≈ 2−→
|−→
| = 2
=
(
−1)
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= (
)0 +
(
)0
+
(
2
)0
+
= (
)0 + (
)0
=
0 cos(Ω
)
( )
( ± Ω
) =
0
0
0 cos( ± Ω
)
(
) =
|
(
)|2 = |
|2
20
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4
( ) =
( ) =
(
) =
0 0 0
0 0
0 0
(
) =
0 0
0 0 0
0 0
(
) =
0 0
0 00 0 0
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+
00
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−1
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200 400 600 800 1000
50
100
150
200
250
300
350
400
I n t e n s i t y
( c t s / s )
Raman shift (cm-1)
PbPc Powder
200 400 600 800 1000
-5000
0
Ar plasma lines
I n t e n s i t y
( a r b . u n i t
s )
∆
= 2(
−
)
+
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(
)
(
) = 0
(
)
(
)
(
)
(
)
(
) =
(
) + 4
(
)
(
) = 1 + 4
(
) = 1 +
(
)
(
)
(
)
(
)
(
) =
(
) +
(
)
(
)
(
)
( ) = 1 +
2
∞0
‘
(
‘)
‘
‘2 −
2
(
) = −2
∞0
(
‘)
‘
‘2 −
2
∆
= 4
∆
− 1
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∆
∆
∆
[∆
] = 4
(
− 1)∆
”
−
”
∆
(
− 1)2 + (
”
)2
[∆
] = 4
(
− 1)∆
+
”
∆
”
(
− 1)2 + (
”
)2
=
−
”
∆
= ∆
− ∆
”
[∆
]
[∆
]
∆
∆
0
∆
0
= 2([∆
] + 2∆ + 2∆
)
2(
)cos( ) + 2(−[
∆
] − 2
) 1(
) sin( )
1 2
∆
∆
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[∆
]
[∆
] [∆
]
[∆
]
[∆
]
[∆
]
[∆
]
−4
−5
±
±
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=
=
+
|−→
| = |−→
|
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10−10
−7
10−8
−10
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=
(
−
)
2
1
668
105
10−8
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2,5 3,0 3,5 4,0 4,5
0
2
4
6
8
R e ( r
[ - 1 1 0 ] - r [ 1 1 0 ] ) < r > x 1 0 - 3
Energy (eV)
Si (110)
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−1
−1
−1
−1
−1
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200 400 600 800 1000
0
2
4
6
8
10
12
14
17
19
18
16
13 14
12
11
9
6
54
Raman shift (cm
-1)
I n t e n s i t y
( c t s / s )
PbPc powder parallel polarization
PbPc powder crossed polarization
2
200 400 600 800 1000
0
500
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1200 1400 1600
0
5
10
15
20
25
30
3 5
3 4
3 3
3 2
3 0
2 9
2 8
2 7
2 6
2 5
2 4
2 3
2 2
2 1
2 0
Raman shift (cm-1)
I n t e n s i t y
( c t s / s )
PbPc powder parallel polarization
PbPc powder crossed polarization
1200 1400 1600
0
5000
10000
15000
20000
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1506
−1
1524
−1
1525
−1
1521
−1
80
−1
400
−1
230 −1
400
−1
900
−1
900
−1
1250
−1
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1250
−1
1780
−1
PbPc Powder
pp Intensity cp Intensity Calculated Assigment
center cts/sec center cts/sec
121,33 PbN 1 alternately str,
2 130 0,45 130 0,3 124,69 No assignment
4 150 0,60 151 0,23 158,63 No assignment
5 207 1,76 207 1,17 203,24 No assignment
6 230 5,36 230 1,11 228,14 Bre.,PbN1 sy. str.,N2C sy.B
9 480 2,89 480 1,05 481,57 Ben Py IP sw,PbN1 CN2 IPB,CN str.
10 523 0,26 523 --- 517,71 No assignment
11 541 0,99 541 0,89 540,02 No assignment
12 566 4,76 566 3,84 562,80 Bre.,PbN1 sy. str.,CC sy.B,
13 680 8,20 680 6,71 677,98 No assignment
14 721 7,46 722 6,3 722,78 PbN CC CN IPB;CH OUB
16 794 10,50 795 8,28 795,37 PbN CN CC CH OPB,CC CN PbN str.
17 829 --- 820 0,3 846,22 CC CN PbN IPB, CC CN PbN str
18 1006 1,38 1007 1,37 1003,70 PbN1 sy.B, CC CN str.
19 1024 3,85 1025 3,74 1034,95 No assignment
20 1078 2,68 1078 0,85 1087,63 PbN1 N2C sy.B,CN1 CC str.,CH IPB
21 1101 14,20 1101 5,35 1099,94 CH IPB, PbN CN CC str.
22 1135 3,25 1135 0,82 1156,18 CH IPB
23 1177 11,20 1177 4,36 1183,10 CC CN str., PbN1 N2C sy.B,CH IPB
24 1221 3,83 1221 1,37 1249,92 CC CN PbN str.,CH IPB25 1285 3,94 1285 1,64 1281,16 CH IPB,CN CC str.
26 1306 7,97 1306 3,04 1291,74 PbN CN CC sy.str.,CN2 sy.B
27 1330 19,80 1330 5,97 1339,23 Ben CC asy. str., CH IPB,.CC CN str..,
28 1396 16,62 1396 4,97 1395,66 CN CC str.,CN1sy. B,CH IPB
29 1420 18,09 1420 7,52 1422,58 CH IPB,CC str.
30 1442 4,57 1439 --- 1448,54 CH IPB, CC str..
32 1506 20,07 1506 6,38 1480,94 CN CC str.,CN1sy. B,CH IPB
33 1525 22,51 1525 9,12 1521,03 CN CC str.,CN1sy. B
34 1575 4,22 1575 1,35 1569,20 CC str., CH IPB
35 1607 10,29 1607 4,19 1596,69 CC str., CH IPB
Ben,benzene;Py., pyrrole; sy., symmetry:asy, asymmetry; bre., breathing. IPB, in-plane bending;
OPB, out-of-plane bending;def., deformation; str., stretching; exp., expanding;sw., swing
pp=parallel polarization,cp=crossed polarization
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269
−1
292
−1
∼ 3 · 1017
−3
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W
a v .
P b P c o n G a A s ( 0 0 1 ) ( 2 x 4 )
P b P c o n G a A s ( 0 0 1 ) ( 4 x 2 )
P o w d e r w a v
.
A s s i g n m e n t
C a l c .
p p
c p
p p
c p
0 4 . 5
4 5 4 . 6
9 0 4 . 7
0 4 . 8
4 5 4 . 9
9 0 4 . 1
0
0 4 . 5
4 5 4 . 6
9 0 4 . 7
0 4 . 8
4 5 4 . 9
9 0 4 . 1
0
B r e a t h i n g
6
2
3 3
2 3 0
P b - N 1 s y m m e t r y s t r e t c i n g
2 2 8 , 1
4
N 2 - C s y m m e t r y b e n d i n g
B e n z e n e - P y r r o l e i n - p l a n e s w i n g ,
4 8 1 , 5
7
9
4
8 0
( w )
4 8 0
P b - N 1 ,
C - N 2 i n p l a n e b e n d i n g
C - N s t r e t c h i n g
1 0 5
0 9
( v . w
)
N o a s s i g n m e n t
5 1 7 , 7
1
1 1 5
3 5
5 4 1
N o a s s i g n m e n t
5 4 0 , 0
2
B r e a t h i n g
1 2 5
7 5
5 6 6
P b - N 1 s y m m e t r y s t r e t c h i n g
5 6 2 , 8
0
C - C s y m m e t r y b e n d i n g
1 4 7
3 1
( v . w
)
7 2 1
N 1 - C s y m m e t r y b e n d i n g
7 3 0 , 6
6
P b - N 1 ,
C - C , C - N 1 s t r e t c h i n g
B e n z e n e e x p a n d i n g
1 6 7
7 0
( w )
7 9 4
C - H i n p l a n e b e n d i n g
7 6 3 , 6
4
C - C , C - N ,
P b - N s t r e t c h i n g
1 7 8
1 7
P b - N , C - N , C - C , C - H o u t - o f p l a n e b e n d i n g
7 9 5 , 3
7
C - C , C - N ,
P b - N s t r e t c h i n g
1 8 9
4 1
( v . w
)
( v . w
)
( v . w
)
1 0 0 6
N o a s s i g n m e n t
9 7 1 , 7
8
1 9 1 0
3 1
( v . w
)
( v . w
)
1 0 2 4
N o a s s i g n m e n t
1 0 3 4 , 7
5
C - C , C - N s t r e t c h i n g
1 1 8 3 , 1
0
2 4 1 1
9 2
( v . w
)
1 1 7 7 o r 1 2 2
1
P b - N 1 ,
N 2 - C s y m m e t r y b e n d i n g
C - H i n p l a n e b e n d i n g
2 9 1 4
1 8
1 4 2 0
C - H i n p l a n e b e n d i n g
1 4 2 2 . 6
8
C - C s t r e t c h i n g
3 0 1 4
4 1
1 4 4 2 ( c . p .
)
C - H i n p l a n e b e n d i n g
1 4 3 7 , 1
0
C - N 2 ,
C - C s t r e t c i n g
C - C , C - N s t r e t c h i n g
3 1 1 4
5 4
C - C s y m m e t r y i n p l a n e b e n d i n g
1 4 5 4 , 6
0
C - H , C - C i n p l a n e b e n d i n g
3 4 1 5
4 9
1 5 7 5
C - C s t r e t c h i n g
1 5 6 8 , 0
4
C - H i n p l a n e b e n d i n g
3 5 1 6
0 3
1 6 0 8
C - C s t r e t c h i n g
1 5 9 6 , 6
9
C - H i n p l a n e b e n d i n g
3 6 1 7
4 2
( v . w
)
# :
n u m b e r o f p e a k i n t h e s p e c t r a ; w a v . : w a
v w n u m b e r ; c a l c . : c a l c u l a t e d v a l u e s s ; v . w .
: v e r y w e a k
p p : p a r a l l e l p o l a r i z a t i o n ; c p : c r o s s e d p o l a r i z a t i o n ; : n u m b e r o f f i g . o
f t h e s p e c t r a
: p e a k v i s i b l e i n t h e s p e c t r a ; : p e a k n o t v i s i b l e i n t h e s p e c t r a
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0 , 5 1 , 0 1 , 5 2 , 0 2 , 5 2 4 6 8 1 0 1 2
1 1 0 0
1 2 0 0
1
3 0 0
1 4 0 0
1 5 0 0
1 6 0 0
1 7 0
0
0 1 2 3 4 5 6 7 8 0 , 4
0 , 6
0 , 8
5 1 0
1 5
2 0
2 5
1 0 0
2 0 0
3 0 0
4 0 0
5 0 0
6 0 0
7 0 0
8 0 0
9 0 0
1 0 0 0
0 1 2 3 4 5
*
1 8
1 7
1 6
1 5
1 4
1 3
1 2
1 1
1 0
9
8
7
6
4
1
R a m a n s h i f t ( c m - 1 )
2 2 n
m P b P c o n
G a A s ( 0 0 1 ) ( 4 x 2 )
s a m
p l e r o t a t i o n :
0 d e
g
I n t e n s i t y ( c t s / s ) I n t e n s i t y ( c t s / s )
R a m
a n s h i f t ( c m - 1 )
*
1 8
1 7
*
1 6
1 5
1 4
1 3
1 1
1 0
9
8
7
4 3
2 1
e x c i t a t i o n l a s e r l i n e : 2 , 5
4 e V ( 4 8 8 n m )
l a s e r p o w e
r o n t h e s a m p l e : 5 0 m W
p o l a r i z a t i o n : E i l l E s
2 2 n
m P b P c o n
G a A s ( 0 0 1 ) ( 2 x 4 )
s a m
p l e r o t a t i o n :
0 d e
g
1 2
1 9
1 8
1 6
1 4
1 3
1 1
1 0
9
6
5
4
2
*
P
b P c P o w d e r
I n t e n s i t y ( c t s / s )
3 5
2 9
3 0
2 3
3 4
3 2
3 1
2 8
2 7
2 5
2 4
2 2
2 1
1 9
2 2 n m P b P c
o n
G a A s ( 0 0 1 ) ( 4 x 2 )
s a m p l e r o t a t i o n :
0 d e g
2 3
3 6
3 4
3 2
3 1
2 8
2 7
2 5
2 4
2 2
2 1
2 2 n m P b P
c o n
G a A s ( 0 0 1
) ( 2 x 4 )
s a m p l e r o t a t i o n :
0 d e g
*
3 5
3 4
3 3
3 2
3 0
2 9
2 8
2 7
2
6
2 5
2 4
2 3
2 2
2 1
2 0
P b P c P o w
d e r
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1 2 3 2 4 6 8 1 0 1 2
1 1 0 0
1 2 0 0
1
3 0 0
1 4 0 0
1 5 0 0
1 6 0 0
1 7 0
0
1 2 3 4 5 0 , 6
0 , 8
1 , 0
1 , 2
1 , 4
5 1 0
1 5
2 0
2 5
1 0 0
2 0 0
3 0 0
4 0 0
5 0 0
6 0 0
7 0 0
8 0 0
9 0 0
1 0 0 0
2
6
1 9
1 8
1 7
1 6
1 3
1 4
1 2
1 1
1 0
9
8
7 6
4
1
2 2 n
m P b P c o n
G a A s
( 0 0 1 ) ( 4 x
2 )
s a m
p l e r o
t a t i o n :
4 5 d
e g
I n t e n s i t y ( c t s / s ) I n t e n s i t y ( c t s / s )
R a m a
n s
h i f t c m
- 1
1 8
1 5
1 7
1 6
1 4
1 3
1 2
1 1
1 0
9
8
7
3 2 1
e x c
i t a t i o n l a s e r
l i n e :
2 , 5
4 e
V ( 4 8 8 n m
)
l a s e r p o w e
r o n
t h e s a m p
l e :
5 0 m
W
p o
l a r i z a
t i o n :
E i
l l E
s
2 2 n
m P b P c o n
G a A s
( 0 0 1 ) ( 2 x
4 )
s a m
p l e r o
t a t i o n :
4 5 d
e g
1 9
1 8
1 6
1 4
1 3
1 2
1 1
9
5
4
2
P
b P c
P o w
d e r
I n t e n s i t y ( c t s / s )
3 5
3 0
2 9
2 3
3 4
3 2
3 1
2 8
2 7
2
5
2 4
2 2
2 1
2 2 n m
P b P c
o n
G a
A s
( 0 0 1 ) ( 4 x
2 )
s a m p
l e r o t a
t i o n :
4 5 d e g
* *
*
R a m a n s
h i f t ( c m
- 1 )
*
2 4
2 1
3 6
3 4
3 2
2 8
2 7
2
5
2 2
e x c
i t a t i o n
l a s e r
l i n e :
2 , 5
4 e
V ( 4 8 8 n m
)
l a s e r p o w e r o n
t h e s a m p
l e :
5 0 m
W
p o
l a r i z a
t i o n :
E i
l l E s
2 2 n m
P b P
c o n
G a
A s
( 0 0 1
) ( 2 x
4 )
s a m p
l e r o t a
t i o n :
4 5 d e g
3 5
3 4
3 3
3 2
3 0
2 9
2 8
2 7
2 6
2 5
2 4
2 3
2 2
2 1
2 0
P b P c
P o w
d e r
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0 , 5 1 , 0 1 , 5 2 , 0 2 , 5 2 4 6 8 1 0 1 2
1 1 0 0
1 2 0 0
1
3 0 0
1 4 0 0
1 5 0 0
1 6 0 0
1 7 0
0
1 2 3 4 5 6 0 , 4
0 , 6
0 , 8
1 , 0
1 , 2
1 , 4
1 , 6
5 1 0
1 5
2 0
2 5
1 0 0
2 0 0
3 0 0
4 0 0
5 0 0
6 0 0
7 0 0
8 0 0
9 0 0
1 0 0 0
1 2 3
3
1 9
1 8
1 7
1 6
1 5
1 4
1 3
1 2
9
1 1
1 0
8
7 6
4
1
2 2 n
m P b P c o n
G a A s
( 0 0 1 ) ( 4 x
2 )
s a m
p l e r o
t a t i o n :
9 0 d
e g
I n t e n s i t y ( c t s / s ) I n t e n s i t y ( c t s / s )
R a m
a n s
h i f t ( c m
- 1 )
1 8
1 3
1 7
1 6
1 5
1 4
1 2
1 1
1 0
9
8
7
4
1
e x c
i t a t i o n l a s e r
l i n e :
2 , 5
4 e
V ( 4 8 8 n m
)
l a s e r p o w e
r o n
t h e s a m p
l e :
5 0 m
W
p o
l a r i z a
t i o n :
E i
l l E
s
2 2 n
m P b P c o n
G a A s
( 0 0 1 ) ( 2 x
4 )
s a m
p l e r o
t a t i o n :
9 0 d
e g
1 9
1 8
1 6
1 4
1 3
1 2
1 1
9
6
5 4
2
P
b P c
P o w
d e r
I n t e n s i t y ( c t s / s )
3 5
3 0
2 9
2 3
3 4
3 2
3 1
2 8
2 7
2 5
2 4
2 2
2 1
2 2 n m
P b P c
o n
G a
A s
( 0 0 1 ) ( 4 x
2 )
s a m p
l e r o t a
t i o n :
9 0 d e g
* *
R a m a n s
h i f t ( c m
- 1 )
3 0
2 9
2 3
2 8
2 1
3 4
3 2
3 1
2 7
2 5
2 4
2 2
e x c
i t a t i o n
l a s e r
l i n e :
2 , 5
4 e
V ( 4 8 8 n
m )
l a s e r p o w e r o n
t h e s a m p
l e :
5 0 m W
p o
l a r i z a
t i o n :
E i
l l E
s
2 2 n m
P b P
c o n
G a
A s
( 0 0 1
) ( 2 x
4 )
s a m p
l e r o t a
t i o n :
9 0 d e g
3 5
3 4
3 3
3 2
3 0
2 9
2 8
2 7
2
6
2 5
2 4
2 3
2 2
2 1
2 0
P b P c
P o w
d e r
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0 , 4 0 , 6 0 , 8 2 4 6 8 1 0
1 1 0 0
1 2 0 0
1
3 0 0
1 4 0 0
1 5 0 0
1 6 0 0
1 7 0
0
0 , 5
1 , 0
0 , 4
0 , 6
5 1 0
1 0 0
2 0 0
3 0 0
4 0 0
5 0 0
6 0 0
7 0 0
8 0 0
9 0 0
1 0 0 0
0 , 4 0 , 6 0 , 8
1 9
1 8
1 6
1 5
1 3
9
8 7
4 3
2 1
2 2 n
m P b P c o n
G a A s ( 0 0 1 ) ( 4 x 2 )
s a m
p l e r o t a t i o n :
0 d e
g
I n t e n s i t y ( c t s / s ) I n t e n s i t y ( c t s / s )
R a m
a n s h i f t ( c m - 1 )
1 4
1 6
1 5
1 3
9
8 7
4 3
2 1
2 2 n
m P b P c o n
G a A s ( 0 0 1 ) ( 2 x 4 )
s a m
p l e r o t a t i o n :
0 d e
g
1 9
1 8
1 7
1 6
1 4
1 3
1 2
1 1
9
6
5
4 2
P
b P c P o w d e r
I n t e n s i t y ( c t s / s )
3 5
3 0
3 2
3 1
2 8
2 7
2
5
2 4
2 2
2 1
R
a m a n s h i f t ( c m - 1 )
2 2 n m P b P c
o n
G a A s ( 0 0 1 ) ( 4 x 2 )
s a m p l e r o t a t i o n :
0 d e g
*
*
*
3 0
3 6
3 4
3 2
3 1
2 8
2 7
2 5
2 4
2 2
2 1
e x c i t a t i o n l a s e r l i n e : 2 , 5
4 e V ( 4 8 8 n m )
l a s e r p o w e r o n t h e s a m p l e : 5 0 m W
p o l a r i z a t i o n : E i l_ E s
2 2 n m P b P
c o n
G a A s ( 0 0 1
) ( 2 x 4 )
s a m p l e r o t a t i o n :
0 d e g
3 5
3 4
3 3
3 2
2 9
2 8
2 7
2 6
2 5
2 4
2 3
2 2
2 1
2 0
P b P c P o w
d e r
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0 , 5 1 , 0 1 , 5 2 4 6 8
1 1 0 0
1 2 0 0
1
3 0 0
1 4 0 0
1 5 0 0
1 6 0 0
1 7 0
0
0 , 5
1 , 0
1 , 5
2 , 0
0 , 6
0 , 8
1 , 0
5 1 0
1 1 0 0
1 2 0 0
1
3 0 0
1 4 0 0
1 5 0 0
1 6 0 0
1 7 0
0
0 , 5
1 , 0
1 , 5
2 , 0
1 0 0
2 0 0
3 0 0
4 0 0
5 0 0
6 0 0
7 0 0
8 0 0
9 0 0
1 0 0 0
0 , 5 1 , 0 1 , 5
1 9
1 8
1 6
1 5
1 3
9
8
7
4
1
2 2 n
m P b P c o n
G a A s ( 0 0 1 ) ( 4 x 2 )
s a m
p l e r o t a t i o n :
4 5 d
e g
I n t e n s i t y ( c t s / s ) I n t e n s i t y ( c t s / s )
R a m a
n s h i f t c m - 1
1 3
4
1 5
8
7
3 1
e x c i t a t i o n l a s e r l i n e : 2 , 5 4 e V ( 4 8 8 n m )
l a s e r p o w e
r o n t h e s a m p l e : 5 0 m W
p o l a r i z a t i o n : E i l_ E s
2 2 n
m P b P c o n
G a A s ( 0 0 1 ) ( 2 x 4 )
s a m
p l e r o t a t i o n :
4 5 d
e g
1 9
1 8
1 6
1 4
1 3
1 2
1 1
9
6 5
4 2
P b
P c P o w d e r
I n t e n s i t y ( c t s / s )
2 2 n m P b P c
o n
G a A s ( 0 0 1 ) ( 4 x 2 )
s a m p l e r o t a t i o n :
4 5 d e g
R a m a n s h i f t ( c m - 1 )
* 3 6
3 4
3 2
3 1
2 8
2 7
2
5
2 1
2 2
*
e x c i t a t i o n l a s e r l i n e : 2 , 5
4 e V ( 4 8 8 n m )
l a s e r p o w e r o n t h e s a m p l e : 5 0 m W
p o l a r i z a t i o n : E i l_ E s
2 2 n m P b P c o n
G a A s ( 0 0 1 ) ( 2 x 4 )
s a m p l e r o t a t i o n :
4 5 d e g
3 5
3 4
3 3
3 2
2 9
2 8
2 7
2
6
2 5
2 4
2 3
2 2
2 1
2 0
*
P b P c P o w
d e r
3 2
3 1
2 8
2 7
2 5
2 4
2 2
2 1
2 2 n m P b P c
o n
G a A s ( 0 0 1 ) ( 4 x 2 )
s a m p l e r o t a t i o n :
4 5 d e g
R a m a n s h i f t ( c m - 1 )
*
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0 , 4 0 , 6 2 4 6 8 1 0
1 1 0 0
1 2 0 0
1
3 0 0
1 4 0 0
1 5 0 0
1 6 0 0
1 7 0
0
0 , 5
1 , 0
1 , 5
0 , 4
0 , 6
5 1 0
1 0 0
2 0 0
3 0 0
4 0 0
5 0 0
6 0 0
7 0 0
8 0 0
9 0 0
1 0 0 0
0 , 4 0 , 6 0 , 8 1 , 0 1 , 2
1 9
1 8
1 6
1 5
1 3
9
8
7
4
1
2 2 n
m P b P c o n
G a A s ( 0 0 1 ) ( 4 x 2 )
s a m
p l e r o t a t i o n :
9 0 d
e g
I n t e n s i t y ( c t s / s ) I n t e n s i t y ( c t s / s )
R a m
a n s h i f t ( c m - 1 )
1 6
1 5
1 3
9
7
4 3 1
e x c i t a t i o n l a s e r l i n e : 2 , 5 4 e V ( 4 8 8 n m )
l a s e r p o w e
r o n t h e s a m p l e : 5 0 m W
p o l a r i z a t i o n : E i l_ E s
2 2 n
m P b P c o n
G a A s ( 0 0 1 ) ( 2 x 4 )
s a m
p l e r o t a t i o n :
9 0 d
e g
1 9
1 8
1 6
1 4
1 3
1 2
1 1
9
6
5 4 2
P
b P c P o w d e r
I n t e n s i t y ( c t s / s )
3 2
3 1
2 8
2 7
2 5
2 4
2 2
2 1
2 2 n m P b P c
o n
G a A s ( 0 0 1 ) ( 4 x 2 )
s a m p l e r o t a t i o n :
9 0 d e g
R a m a n
s h i f t ( c m - 1 )
*
3 4
3 2
3 1
2 8
2 7
2
5
2 4
2 2
2 1
e x c i t a t i o n l a s e r l i n e
: 2 , 5
4 e V ( 4 8 8 n m )
l a s e r p o w e r o n t h e
s a m p l e : 5 0 m W
p o l a r i z a t i o n : E i l_ E
s
2 2 n m P b P
c o n
G a A s ( 0 0 1
) ( 2 x 4 )
s a m p l e r o t a t i o n :
9 0 d e g
3 5
3 4
3 3
3 2
2 9
2 8
2 7
2 6
2 5
2 4
2 3
2 2
2 1
2 0
P b P c P o w
d e r
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233
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CV
Personal information:
Name: Vasiliki Stamelou
Date of Birth: 19/07/1982
Place of Birth: Athens
Address: 12-14, Manoliasas st., 16121 Athens Greece
e-mail: [email protected]
Studies:
2006-today: Master Program “Microsystems & Nanodevices” of the National
Technical University of Athens.
4/2006: Degree of Materials Science, Faculty of Natural sciences, University of Patras
2004-2005: Diploma thesis * in the department of Materials Science of the University
of Patras
2002: Practice training*: Practice training at the Centre of tests, research
and standards (KDEP) of DEI.
2004-2005: Diploma thesis: “Stability of charged exitons in semiconductor
nanostructures”, supervisor: lector Dr. S. Baskoutas (University of Patras, Faculty of Natural Sciences, Department of Materials Science)
07-08/2002: Practical exercise in the Centre of Trials of Researches and Models of
NATIONAL ELECTRICAL COMPANY and concretely in the sector of Laboratories
of Chemistry where are executed analyses in all kinds materially, trials of air-
conditioning ageing and erosion mainly in industrial materials.
Languages:
o
English (Very Good)o French (Very Good)
o Spanish (Basic)
o Greek (mother tongue)
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