¼¾?@AMß^r«]gß±ÎÇ

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STM tip
Substrate

Adsorbate¼¾',FIU\DWÕ|'Ê4²´q³È+¼¾(FIM:D9X<DYGA<[CJ8?-+µ7¸·("¼¾¬p7Ñ&4É¢DZHWÖÐØscanning tunnelingmicroscopy, STMÙ+Ï2h54Ó
K\T7jµ"FI¥Ì+fÓ²+Ä)FI?=\WÅ¯ª+Ñ¶7Ë&¦`bCJ8?-+µÑ7Í/&4
STM¶fifªSTMÏ21s5"Tunneling

STM light

Adsorbate

Spectrograph

STM lightLensSampleDZHWÓK\T7Ï¹_+FI¥Ì*°oÊ54¶f7ifÄ 4(*13Ï¹_+FI¥Ì+²7©4a)¼¾B\Sª+Ñ¶

1-3.3ps-1.7ps20

001/Energy

20050
100
Channel number

0Intensity

0122 ps0115.3 ps

018.7 ps

012 ps150
100
Channel number

τPeak energy
52 ps
1.62 eV28.7 ps

1.62 eV

22 ps

1.62 eV15.3 ps® (?)

8.7 ps1.66 eV

2 ps

1.62 eV-98 ps

0
1.5
1.6
1.7
Photon Energy (eV)00

28.7 ps02050
100
Channel number

1Intensity-5ps

Fourier amplitude

1.4104meVSTM image ofyÛáÝ STM¶fNi(110) (ST 1x2) H *14w»¨Âr+p9HW;\+©- 98 ps

1.62 eV
60

10.6
1.41

τ=-1.6 ps

-1.7ps20

20001.7ps

1.7ps

20

03.3ps5ps

τ=0 ps20

τ=1.6 ps00.6
1.7 1.8 1.9 2 2.1 2.2
Photon energy (eV)^r[±Î¼¾

τ=3.3 ps20

τ=8.3 ps

0 ps

20

τ=5 ps020

τ=6.6 ps00 20 40 60 80 100
Photon Energy (eV)

0 20 40 60 80 100
Photon Energy (eV)020

τ=10 ps020

τ=11.6 ps

00 20 40 60 80 100Channel number30yÛáÞRZO-OY\NSTM¶f*14w»¨Âr+pV\E+Ò¶ real

1.40-30
1.5 eVimaginary

0.6

Fourier amplitude

yÛ-ÜÆAu+RZOáOY\NSTM¶f?Q<DWØ^Ù§?Q<DWØuÙ2L>½+ÒiÄÃ74(64(c) D:Light row

250

Fourier amplitude

01.5
22.5
Photon Energy (eV)052.0 ps0

Intensity

τ=+5 ps §?Q<DWà

141meV
25

Intensity

0
1.5
22.5
Photon Energy (eV)v?Q<DW
{?Q<DW(b) H:Light row

1 (b) STM-LEspectrum

Fourier amplitude

Intensity

Intensity

Intensity

01.5
22.5
Photon Energy (eV)Fourier amplitude

313

Fourier amplitude

01.5
22.5
Photon Energy (eV)

01.5
22.5
Photon Energy (eV)Intensity

τ=+3.3 ps
3

τ=-1.7 ps

3Fourier amplitude

0
1.5
22.5
Photon Energy (eV)

01.5
22.5
Photon Energy (eV)Intensity

τ=+1.7 ps
3

τ=-3.3 ps

3Ratioτ=-5 ps
30
1.5
2
2.5
Photon Energy (eV)Intensity

$FI¥ÌÄ

STM,rXPW+¿ÒiÄÃ7e5"9HW;\τiÃl(º.#&Àx)¼¾iÎ'Ô·)¡7
分光器
レンズ＋CCD 0"2")DZHWÓ­¤h*}%"探針
プローブ光/pcr´^ÒiÄÃ,~)kÁ7t4L>
STM 発光ポンプ光½!513e5"ÒiÄÃ74STM,³z'0¬¶*¼¾Ñ¶)5&4,RZO-OY\NSTM
試料¶fifªØyÛ-ÛÙ7£+×¿ÒiÄÃ(yÛ-ÛRZOáOY\NSTM¶fifª
9HW;\iÄÃ*nL>½+ÒiÄÃ74FI¥ÌÄ ª+Ñ¶*m"τ=0 psIntensity

IntensityÛÚ×Ò(¿Ò+iÄÃ7d50

00 1 2 3 4 5
Photon energy (eV)Sb2Te3+L>½fÓ
²+Ò¶     ÞÜCFÎ*¦Q½¸av:N<AOD<>
Gzvsjgi uZ[Xs7ai /EBZ[XTKWYOVSZOU^LQQQM

w >
Jkor0I/ElGzvl/E,u~

Defect CNT
near defectDefect creation:
3.0 V, 5 nA

50 nm

_?
u`?uf{*Ðe=KH9P
 }lnmPNSK]\<%
zu|uRQPK]\

Z[Zs7ai*J5(C2GzvlZ[ZyÐe=KH9P

I0=0.2 nA
V0=1.0 V

;<?P@;RM
fav¾

;<?P@;RM
fav¾Ðe=KH9P
90 nm

GzvlJ/E

Eda et al., Adv. Mater. 22 (2010) 505.

Ðe=KH9P*ÖvÎ6ÙµÔaÈ½&É¢

STM imaging:
1.0 V, 0.5 nA

STM-LE:
2.3 V, 5.0 nA

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gi|Hlx
t@+ E9-9 E10-10 E11-11

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Alpß-ÝAPEMl
380

Frequency (eV)Frequency (meV)

60
40

2

1203456710 10 10 10 10103 104 105 106 107

K|| (cm-1)

K|| (cm -1)

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6gb!4'ÖvAPEM©Ê)14Ö54APEMlW)+Ðe¾W&t(6Ðe¾2Õ54)Í)¡Ã!4Ö±IRBÚYUzrIRB'o-Ûwr!4zrIRB+APEMÖv'­X\ª6!4#/ÖvAPELP=)13Ùd¨&cË54pßàÞ+ÖvAPELP=)13cË54zrIRB*§y*S]&4m n*zrIRB'Z^*Ô)+VlΔk4#/zrIRB2¬^ÚZ^Û64#/)+Δk6È !4#/*Å'(4pß-Ý*1(APEMl6®µÀ¯&\ÄÏ(G87>Öq6gb!4'jÆ¬^)bpßàß)²!1)THz^*¬^0Ç¢54APEMl«×)¿¤)54¶Δk = 106 cm-1³YU*Vl*È 6j½)!4'252*¬^+zrIRB2*¬^&4'¼25%4pßàÞ)15,jÆs*§yÚkÛ+106 cm-1
³130tØs&[U!4STHzs*§yÚ}Û+107 cm-1.&º5%4APEMl*Î6|u!4')13_%*Øs*zrIRB6¬^)!4'`5,APEMl+Ùd¨*THz^£'(4' 5"*1(·v*Ó¬6Â$%4Au600
0-600
064128Channel numberpßàßAPEMl2*THz¬^0~64@JPEM&+G87>Öq6gb3*@JPEM&+G87>Öq6gb%(D;~vy;=Jzs 7gi$#l96j. H22/A05   