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Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
UVSO
R
20140130
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
Outline
•••
•••
ARPES•
ARPES•
1•
••+
••
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
9.1110
-31kg
Designed by T. Ito
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
1900
Ev
“”
p=
mc v
cc
cm k
m pv
mE
22
2 12
22
2 mc
(E)
(v), (p),
(k)
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
mf
“”
(E)
mf >>
mc f
ff
m km p
vm
E2
22 1
22
22
(v), (p),
(k)
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
4f
Ce
3+: (Xe) 4f 1
Ce
4+: (Xe) 4f 0
Yb2+: (X
e) 4f 14/ (Lu3+) 4fh 0
Yb3+: (X
e) 4f 13/ (Lu3+) 4fh 1
4f
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
/
2003
1964
(E)
(p,k)
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
(E)
(p,k)
1001000
1977
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
Outline
•••
•••
ARPES•
ARPES•
1•
••+
••Shin-ichiKIM
URA [kim
[email protected]] FBS
and Dept. Physics, O
saka University
UVSO
R, IMS
: h0
: I0
h0 ,IR
IR / I0
h0 , IT
IT / I0
:EK
: I(h0 )
:h1
(): I(h
0 )
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
X
1905
A. Einstein
Ek =
hE
BE
k :h
:E
B ::(
-)
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
xy
h
V0
==(
) /
e-
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
LiFeAshhh=18,39eV
hhh=26eV
hhh=35eV
hhh=23eV
Calculated Ferm
i surface in Brillouin zone
T. Hajiri, SK et al., PRB
85, 094509 (2012).
ddxy
dddxzzxz/yz
dddxzxz/yz
ddxy
dddxyyyyyxyyyy/x2x2x-2-y2
dddxyyyyyyxyyyy/x2x2x-2-y2
eV dV ddxz
ddyz
ddyz
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
UVSO
R
UV
SO
R
UV
SO
R-III
circumstance
53.2 macceleration energy
0.75G
eV
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
UVSO
RARPES
BL7U(SAM
RAI: Symm
etry And Mom
entum Resolved electronic structure
A nalysis Instrument)
AR
PE
S
101
102
103
104
103
102
101
100
10-1
100
101
Energy resolution (meV)
Photon/electron energy (eV)
E/E=104
Mean free path (nm)
E/ E//E
[SK
et al., Rev. S
ci. Instrum. 81, 053104 (2010).]
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
Ss
Osaka
University
UVSO
RIM
S
•APPLE-II
u =60mm
:20200eV,
:27200eV
•M
onk-Gillieson-type VLS-PG
M
•End-station: Spin-ARPES–
WAL(
18)
+ 3D-VLEED
spin detector–
Horizontal focusing m
irror ()
(<10 μm)
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
Outline
•••
•••
ARPES•
ARPES•
1•
••+
••
(E)
(p,k)
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
(p)
(E)
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
ARPES
(115eV)
(122eV)
(meV)
(Å-1)
-100
-200
-300
-400
(E)
(p,k)
[H. J. Im
, SK
et al., PR
L(2008).]
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
Outline
•••
•••
ARPES•
ARPES•
1•
••+
••
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
c-f[,
47, 365 (2012).]
EF
Q0
=2V
c-f hybridization state
Energy
()
E
DC
1/ N*=
N0 m
0 /m*
0
(c-f)
:N* =
N0 m
0 /m*
E0
DC ()
(,)(,)
2V
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
c-f[,
47, 365 (2012).]
EF
Q0
=2V
c-f hybridization state
Energy
()
E
DC
1/ N*=
N0 m
0 /m*
0
(c-f)
:N* =
N0 m
0 /m*
E0
DC ()
(,)(,)
2V[T. Iizuka, S
K et al., JP
SJ 79, 123703 (2010). ]
c-fgap
YbIr2 Si2
4f7/2E
F
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
Outline
•••
•••
ARPES•
ARPES•
1•
••+
••Shin-ichiKIM
URA [kim
[email protected]] FBS
and Dept. Physics, O
saka University
UVSO
R, IMS
(E)
(p,k)
(c)
(f)
E
p,k
E
p,k
c-f
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
4f
4f4f
Conduction
band
/
Doniach phase diagram
EuO
[H.M
iyazaki, SK
et al., P
RL 102
(2009).]
4fConduction
band
Magnetic
orderingH
eavy Ferm
ion
Quantum
critical point(Q
CP
)
“Norm
al”m
etal
(YbAl2 ,T
K~ 2000 K
)
[M.M
atsunami, S
Ket al.]
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
Ce (4f 1) / Yb (4fh 1) 4f
Doniach
phase diagram
Magnetic
orderingH
eavy Ferm
ionC
e
f-band
Conduction
band
/
“c-f”“
”
“Norm
al”m
etal
4f7/2
4f5/2
Doniach
phase diagramp
g
Magnetic
Mrderingo
HHeavy
FFermio
“Norm
al”m
etal
c-fofC
eCoG
e1.2 S
i0.8 (TK ~ 300 K
)
[H.J. Im
, SK
et al., PR
L 100(2008).]
c-bandf-band
EuO
(YbAl2 ,T
K~ 2000 K
)
[M.M
atsunami, S
Ket al.]
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
Spin fluctuation
(SD
W) vs. K
ondo breakdown.
(SD
W)
[-H
ertz-Millis]
[Si-C
oleman]
[ P. Colem
an et al., JPC
M13,R
723(2001).] /
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
•
DAC
•DAC
10meV
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
Jcf
sO
sakaU
niversityU
VSOR
IMS
Ce
In
CeIn3
Structure: AuCu3 -type
Ce3+: (Xe) 54(4f) 1
TN ~
10 K= 130 m
J/K2
TK
100 K
P
TN
0 with P
2.6 GPa.
THz region
= 2.6 GP
a
P= 0.1 M
PaT
N= 10 K
c-fgap
THz
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
/
10-3
10-2
10-1
100
1012
1013
1014
1015
SPring-8 BL43IR(I=100m
A)
Black body source(for large sam
ple)(1400K, 5m
m, 0.015sr)
BL6B(IR)(I=500m
A)old-BL6A1(I=300m
A)
Photon flux (ph/s/0.1% b.w.)
h (eV)
Black body source(for m
icroscope)(1400K, 1m
m, 0.015sr)
rsityU
VSOR
IMS
Globar lam
p
~103 times
BL6B(IR)[S
K et al., IP
T 2006.]
[SK
et al., NIM
A 2001.]
SR
SP
ring-8
()
……
UV
SO
R
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
~1.0mm
THz m
icroscope @U
VSOR-II
h10 ~ 60 m
eV for THz
50 ~ 103m
eV for IR
Spatial resolution
THz m
icroscope @ U
VS
OR
-II
Diam
ond anvil cellD
AC
+ cryostatPressure + low
temperature
Sample in D
AC
CeIn
3
Au
Ruby
powder
Pressure range<
10G
Pa
Pressure m
ediaK
Br + A
piezon NTem
perature5
gasket
Diam
ond
[ SK
et al., AIP. C
onf. Proc. 1214,71 (2010). ]
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
EEF
k
CeIn3
0.2 GP
a 3.4 GP
a
[ T. Iizuka, SK
et al., JPS
J(2012). ]
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
CeIn3
Mark size = intensity.
Phase diagram
by NQ
R[S
. Kaw
asaki et.al. PR
B 65
(2001) 020504. ]
01
2
1053 30
Temperature (K)Pressure (G
Pa)
(AFM
)
TN
T*
[ T. Iizuka, SK
et al., JPS
J(2012). ]
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
(SDW
)
AFM
[ P. Gegenw
art et.al. Nat. P
hys. 4(2008) 186. ]
AFM
Mark size = intensity.
CeIn3
[ T. Iizuka, SK
et al., JPS
J(2012). ]
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
•
–
•
–
•CeIn
3SD
W•
Shin-ichiKIMU
RA [kimura@
fbs.osaka-u.ac.jp] FBSand D
ept. Physics, Osaka U
niversityU
VSOR, IM
S
•H
.J. Im, T. Ito, H
.-D. Kim, S. Kim
ura, K.E. Lee, J.B. Hong, Y.S. Kw
on, A. Yasui, H
. Yamagam
i, “Direct O
bservation of Dispersive Kondo
Resonance Peaks in a Heavy-Ferm
ion System,”
Phys. Rev. Lett. 100, 176402 (2008).•
T. Iizuka, T. Mizuno, B. H
. Min, Y. S. Kw
on, S. Kimura, “Existence of
Heavy Ferm
ions in the Antiferromagnetic Phase of CeIn
3 ,” J. Phys. Soc. Jpn. 81, 043703 (2012).
•T. H
ajiri, T. Ito, R. Niw
a, M. M
atsunami, B. H
. Min, Y. S. Kw
on, S. Kimura, “Three-dim
ensional electronic structure and interband nesting in the stoichiom
etric superconductor LiFeAs,” Phys. Rev. B
85, 094509 (2012).•
T. Iizuka, S. Kimura, A. H
erzog, J. Sichelschmidt, C. Krellner, C. G
eibel, F. Steglich, “Temperature-and
Magnetic-Field-D
ependent Optical Properties of H
eavy Quasiparticlesin YbIr2 Si2 ,”
J. Phys. Soc. Jpn.79, 123703 (2010).•
S. Kimura, T. Ito, M
. Sakai, E. Nakam
ura, N. Kondo, T. H
origome, K. H
ayashi, M. H
osaka, M. Katoh, T.
Goto, T. Ejim
a, K. Soda, “SAMRAI: A novel variably polarized angle-resolved photoem
ission beam
line in the VUV region at U
VSOR-II,” Rev. Sci. Instrum
.81, 053104 (2010).